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余長(zhǎng)源,香港理工大學(xué)電子及資訊工程學(xué)系教授、博士生導(dǎo)師,美國(guó)光學(xué)學(xué)會(huì)會(huì)士。
主持/共同主持50多個(gè)研究項(xiàng)目,先后指導(dǎo)了20余名博士后研究員和40余名博士生。其團(tuán)隊(duì)曾獲10次國(guó)際會(huì)議最佳論文獎(jiǎng),以及2014年第三屆中國(guó)創(chuàng)新創(chuàng)業(yè)大賽全國(guó)總決賽生物醫(yī)藥行業(yè)團(tuán)隊(duì)組冠軍。他撰寫/合著了6個(gè)書籍章節(jié)及600余篇期刊/會(huì)議論文(100余篇主題/特邀報(bào)告,包括全球光通信領(lǐng)域以規(guī)格高、專業(yè)性強(qiáng)著稱的美國(guó)光纖通信會(huì)議OFC)。此外,他還曾擔(dān)任100余個(gè)國(guó)際學(xué)術(shù)會(huì)議的組委會(huì)/技術(shù)委員會(huì)的主席或成員,以及新加坡政府資訊通信發(fā)展管理局技術(shù)顧問(wèn)委員會(huì)委員。
教育及工作經(jīng)歷:
1997年,獲清華大學(xué)應(yīng)用物理和企業(yè)管理雙學(xué)士學(xué)位。
1999年,獲美國(guó)邁阿密大學(xué)電子與計(jì)算機(jī)工程碩士學(xué)位,導(dǎo)師:麥克·R.王(Michael R. Wang)教授。
2005年, NEC美國(guó)研究所任訪問(wèn)研究員。
2005年,獲南加州大學(xué)電子工程系博士學(xué)位,導(dǎo)師:國(guó)際光纖通信領(lǐng)域著名專家,美國(guó)工程院院士、光學(xué)學(xué)會(huì)主席艾倫·E.維爾納(Alan E.Willner)教授。
2005年12月至2015年12月在新加坡國(guó)立大學(xué)電子與計(jì)算機(jī)工程系任教(博士生導(dǎo)師),創(chuàng)立光電系統(tǒng)研究小組,并兼任新加坡科技研究局資訊通信研究院高級(jí)研究員。
期間于2007年任澳大利亞墨爾本大學(xué)訪問(wèn)教授。
2015年12月加入香港理工大學(xué)任教,現(xiàn)為電子及資訊工程學(xué)系教授(博士生導(dǎo)師),并繼續(xù)兼職任教于新加坡國(guó)立大學(xué)。
1. C. Yu, Z. Li, and S. Zhang, “Frontiers of high-speed optical fiber communications,” Frontiers of Fiber Optics, N.H. Zhu, L.-S. Yan, and J. Liu, editors, Science Press, 2011, ISBN: 978-7-03-032470-2 (in Chinese)
2. N. Liu and C. Yu, “Optical performance monitoring in optical fiber communications,” Frontiers of Fiber Optics, N.H. Zhu, L.-S. Yan, and J. Liu, editors, Science Press, 2011, ISBN: 978-7-03-032470-2 (in Chinese)
3. C. Yu, “Polarization mode dispersion monitoring,” Optical Performance Monitoring: Advanced Techniques for Next-Generation Photonic Networks, Calvin C. K. Chan, editor, Academic Press, Elsevier Inc., 2010, ISBN: 978-0-12-374950-5
4. A.E. Willner, C. Yu, Z. Pan, and Y. Xie, “WDM fiber optic communication networks,” Handbook of Optics, 3rd Edition, Vol. V, M. Bass, C.M. DeCusatis, J.M. Enoch, V. Lakshminarayanan, G. Li, C. MacDonald, V.N. Mahajan, E. Van Stryland, editors, McGraw-Hill, Inc., 2009, ISBN: 978-0-07-163313-0
5. A.E. Willner, Z. Pan, and C. Yu, “Optical performance monitoring,” Optical Fiber Telecommunications VB, Ivan P. Kaminow, Tingye Li, and Alan E. Willner, editors, Academic Press, Elsevier Inc., 2008, ISBN: 978-0-12-374172-1
6. C. Yu, “Comparison of advanced modulation formats for 40-Gbit/s DWDM optical fiber transmission systems with 50-GHz channel spacing,” Advanced Technologies for High-Speed Optical Communications, Lei Xu, editor, Research Signpost, 2007, ISBN: 81-308-0171-X
(229 Journal papers)
7. Z. Yang, W. Yuan, Z. Lian, and C. Yu, “Dual Fabry-Perot interferometers gas pressure sensor in a parallel configuration based on a hollow core Bragg fiber and the harmonic Vernier effect,” Optics Express, accepted (Q1)
8. M. Cui, Z. Wang, and C. Yu, “Refractive index sensing in helical broken-air-ring core micro-structured optical fiber,” Sensors, accepted (Q1)
9. J. Zhou, J. He, X. Lu, G. Wang, Y. Bo, G. Liu, Y. Huang, L. Li, C. Yang, H. Wang, W. Mo, W. Liu, C. Yu, and Z. Li, “100G fine-granularity flexible-rate passive optical networks based on discrete multi-tone with PAPR optimization,” IEEE/OSA Journal of Optical Communications and Networking, vol. 14, no. 11, pp. 944-950, November 2022 (Q1)
10. S. Liu, X. Du, and C. Yu, “H∞ filter-based dynamic joint carrier frequency offset and linear phase noise tracking for CO-OFDM systems,” Optics Express, vol. 30, no. 23, pp. 41157-41170, November 2022 (Q1)
11. J. J. Chen, W. Q. Wei, J. L. Qin, B. Yang, J. Z. Huang, Z. H. Wang, T. Wang, C. Yu, and J. J. Zhang, "Multi-wavelength injection locked semiconductor comb laser," Photonics Research, vol. 10, pp. 1840-1847, August 2022 (Q1)
12. A.A. Noman, J.N. Dash, X. Cheng, H.Y. Tam, and C. Yu, “Mach-Zehnder interferometer based fiber-optic nitrate sensor,” Optics Express, vol. 30, no. 21, pp. 38966-38974, October 2022 (Q1)
13. Z. Wei, Y. Zhang, S. Mao, Z. Liu, Z. Zang, C. Yu, Y. Dong, and H.Y. Fu, “Optical Uplink, D2D and IoT Links Based on VCSEL Array: Analysis and Demonstration,” IEEE/OSA Journal of Lightwave Technology, vol. 15, no. 1, pp. 5083 - 5096, Aug 2022 (Q1)
14. Z. Wei, Lei Wang, Z. Liu, C. Zhang, C.-J. Chen, M.-C. Wu, Y. Yang, C. Yu, L. Wang, and H. Fu, “Multi-gigabit visible light communication based on high-bandwidth InGaN quantum dot green micro-LED,” ACS Photonics, vol. 9, no. 7, pp. 2354-2366, June 2022 (Q1)
15. X. Du, Y. Xu, W. Huang and C. Yu, “Dynamic joint frequency offset and phase noise tracking by number-theoretic net-based Gaussian particle filter in coherent optical systems”, IEEE Communications Letters, vol. 26, no. 6, pp. 1388 - 1392, June 2022 (Q1)
16. F. Yang, W. Xu, W. Lyu, F. Tan, C. Yu and B. Dong, “High Fidelity MZI-BCG Sensor with Homodyne Demodulation for Unobtrusive HR and BP Monitoring,” IEEE Sensors Journal, vol. 22, no. 8, pp. 7798 - 7807, April 2022 (Q1)
17. S. Chen, F. Tan, W. Lyu, H. Luo, J. Yu, J. Qu, and C. Yu, "Deep learning-based ballistocardiography reconstruction algorithm on the optical fiber sensor," Optics Express, vol. 30, no. 8, pp. 13121-13133, April 2022 (Q1)
18. H. Wang, J. Zhou, J. Wei, D. Guo, Y. Feng, W. Liu, C. Yu, D. Wang, and Z. Li, “Multi-Rate Nyquist-SCM for C-Band 100 Gbit/s Signal over 50 km Dispersion-Uncompensated Link,” IEEE/OSA Journal of Lightwave Technology, vol. 40, no. 7, pp. 1930-1936, April 2022 (Q1)
19. Z. Wei, M. Li, Z. Liu, Z. Wang, C. Zhang, C. J. Chen, M. C. Wu, Y. Yang, C. Yu, and H.Y. Fu, “Parallel Mini/Micro-LEDs Transmitter: Size-dependent Effect and Gbps Multi-user Visible Light Communication,” IEEE/OSA Journal of Lightwave Technology, vol. 40, no. 8, pp. 2329-2340, April 2022 (Q1)
20. M. Xue, Q. Wang, Z. Xu, Y. Heng, C. Yu, and S. Pan, “Large Dynamic and Precision Optical Vector Analysis Assisted by SBS Processing,” IEEE/OSA Journal of Lightwave Technology, vol. 40, no. 8, pp. 2435-2440, April 2022 (Q1)
21. Y. Li, Z. Liu, Y. Liu, C. Yu, “Simultaneous measurement of axial strain and lateral stress based on cascaded interference structure,” Optics Express, vol. 30, no. 7, pp. 10942-10952, March 2022 (Q1)
22. B. Wang, W. Sun, J. Chen, and C. Yu, “Frequency domain anti-flickering in visible light communication system,” Optics Communications, vol. 516, Paper 128203, pp. 1-8, Mar 2022 (Q2)
23. Q. Zhao, W. Yuan, J. Qu, Z. Cheng, G.-D. Peng, and C. Yu, “Optical Fiber-Integrated Metasurfaces: An Emerging Platform for Multiple Optical Applications,” Nanomaterials, vol. 12, no. 5, p. 793.1-21, February 2022 (Q1)
24. J. Yu, F. Tan, C. Yu, “Few-Mode Fiber Characterization System Based on the Spatially and Spectrally Imaging Technique,” Sensors, vol. 22, no. 5, pp. 1809.1-13, February 2022 (Q1)
25. W. Xu, C. Yu, B. Dong, Y. Wang and W. Zhao, “Thin Piezoelectric Sheet Assisted PGC Demodulation of Fiber-Optic Integrated MZI and its Application in Under Mattress Vital Signs Monitoring,” IEEE Sensors Journal, vol. 22, no. 3, pp. 2151-2159, February 2022 (Q1)
26. Y. Li, P. Lu, C. Yu, “An Optical Fiber Sensor for Axial Strain, Curvature, and Temperature Measurement Based on Single-Core Six-Hole Optical Fiber,” Sensors, vol. 22, no. 2, pp.1666.1-13, February 2022 (Q1)
27. Z. Huang, Y. Tian, Y. Liu, H. Luo, X. Long, and C. Yu, “Optical performance monitoring using SOI-based spectral analysis,” Optics Express, vol. 30, no. 4, pp. 6397-6412, February 2022 (Q1)
28. W. Lyu, S. Chen, F. Tan, and C. Yu, “Vital Signs Monitoring Based on Interferometric Fiber Optic Sensors,” Photonics, vol. 9, no. 2, pp. 50.1-18, February 2022 (Q3)
29. J. Qu, H. Luo, and C. Yu, “Dual-Wavelength Polarization-Dependent Bifocal Metalens for Achromatic Optical Imaging Based on Holographic Principle,” Sensors, vol. 22, no. 5, Paper 1889, pp. 1-11, February 2022 (Q1)
30. A.A. Noman, J.N. Dash, X. Cheng, H.Y. Tam, and C. Yu, “PCF based modal interferometer for lead ion detection,” Optics Express, vol. 30, no. 4, pp. 4895-4904, February 2022 (Q1)
31. P. Zhang, B. Wang, Y. Yang, Abul Kalam Azad, K. Luo, K. Yu, C. Yu, and C. Lu, “SNR enhancement for Brillouin distributed optical fiber sensors based on asynchronous control,” Optics Express, vol. 30, no. 3, pp. 4231-4248, January 2022 (Q1)
32. Z. Wang, Q. Lu, J. Tu, Q. Xiao, Z. Li, C. Yu, and C. Lu, “Design, fabrication, and characterization of a low-index center and trench-assisted 7-ring-core 5-mode-group fiber for dense space-division multiplexing,” Optics Express, vol. 30, no. 1, pp. 650-663, January 2022 (Q1)
33. H. Luo, J. Lu, Z. Huang, C. Yu, and C. Lu, “Optimization strategy of power control for C+L+S band transmission using a simulated annealing algorithm,” Optics Express, vol. 30, no. 1, pp. 664-675, January 2022 (Q1)
34. Q. Wang, Z. Quan, S. Bi, C. Yu and P.Y. Kam, “Generalized Mutual Information Analysis for BICM-8QAM with Residual Phase Noise”, IEEE Communications Letters, vol. 25, no. 12, pp. 3819-3823, December 2021 (Q1)
35. Z. Yang, W. Yuan, C. Yu, “Hollow Core Bragg Fiber-Based Sensor for Simultaneous Measurement of Curvature and Temperature,” Sensors, vol. 21, no. 23, Paper 7956, pp. 1-11, November 2021 (Q1)
36. J. Lu, Q. Fan, G. Zhou, L. Lu, C. Yu, A.P.T. Lau, and C. Lu, “Automated training dataset collection system design for machine learning application in optical networks: An example of quality of transmission estimation,” Journal of Optical Communications and Networking, vol. 13, no. 11, pp. 289-300, November 2021 (Q1)
37. C. Shu, W. Zheng, Z. Wang, C. Yu, and Z. Huang, “Development and characterization of disposable sub-millimeter fiberoptic Raman needle probe for enhancing real-time in vivo deep tissue and biofluids Raman measurements,” Optics Letters, vol. 46, no. 20, pp. 5197-5200, October 2021 (Q1)
38. Z. Wei, Z. Liu, X. Liu, L. Wang, L. Wang, C. Yu, and H. Y. Fu, “8.75 Gbps visible light communication link using an artificial neural network equalizer and a single-pixel blue micro-LED,” Optics Letters, vol. 46, no.18, pp. 4670-4673, September 2021 (Q1)
39. Z. Jin, D. Janoschka, J. Deng, L. Ge, P. Dreher, B. Frank, G. Hu, J. Ni, Y. Yang, J. Li, C. Yu, D. Lei, G. Li, S. Xiao, S. Mei, H. Giessen, F. Heringdorf, C. Qiu, “Phyllotaxis-inspired nanosieves with multiplexed orbital angular momentum,” eLight, vol. 1, no. 1, pp. 1-11, September 2021 (new journal by Springer Nature, no CiteScore yet)
40. W. Lyu, W. Xu, F. Yang, S. Chen, F. Tan, C. Yu, “Non-invasive measurement for cardiac variations using a fiber optic sensor,” IEEE Photonics Technology Letters, vol. 33, no. 18, pp. 990-993, September 2021 (Q1)
41. W. Yuan, L. Li, Y. Wang, Z. Lian, D. Chen, C. Yu, and C. Lu, “Temperature and curvature insensitive all-fiber sensor used for human breath monitoring,” Optics Express, vol. 29, no. 17, pp. 26375-26384, August 2021 (Q1)
42. J. Zhou, C. Yang, D. Wang, Q. Sui, H. Wang, S. Gao, Y. Feng, W. Liu, Y. Yan, J. Li, C. Yu, and Z. Li, “Burst-error-propagation suppression for decision-feedback equalizer in field-trial submarine fiber-optic communications,” IEEE/OSA Journal of Lightwave Technology, vol. 39, no. 14, pp. 4601-4606, July 2021 (Q1)
43. X. Hao, W. Sun, J. Chen, and C. Yu, “Vertical measurable displacement approach for altitude accuracy improvement in 3D visible light positioning,” Optics Communications, vol. 490, Paper 126914, pp. 1-8, July 2021 (Q1)
44. J. Tu, Q. Lu, Z. Wang, S. Gao, W. Liu, C. Yu, Z. Li, and C. Lu, “Mode analysis of orbital angular momentum modes carrying multi-mode ring-core fiber,” Optics Communications, vol. 499, Paper 127314, pp.1-8, July 2021 (Q2)
45. W. Xu, S. Bian, B. Dong, Y. Shen, S. Han, C. Yu, W. Zhao, and Y. Wang, “Unobtrusive vital signs and activity monitoring based on dual mode fiber,” Optical Fiber Technology, vol. 64, Paper 102530, pp. 1-7, July 2021 (Q1)
46. X. Liu, Z. Wei, M. Li, L. Wang, Z. Liu, C. Yu, L. Wang, Y. Luo, H.F. Fu, “Experimental investigation of 16.6 Gbps SDM-WDM visible light communication based on a neural network receiver and tricolor mini-LEDs,” Optics Letters, vol. 46, no. 12, pp. 2888-2891, June 2021 (Q1)
47. Z. Wang, J. Tu, S. Gao, Z. Li, C. Yu, and C. Lu, “Transmission and generation of orbital angular momentum modes in optical fibers,” Photonics, vol. 8, no. 7, Paper 246, pp. 1-24, June 2021 (Invited) (Q3)
48. Z. Wei, Z. Liu, Z. Wang, M. Li, C.–J. Chen, M.-C. Wu, C. Yu, F.N. Khan, and H.Y. Fu, “Real-time multi-user video optical wireless transmission based on a parallel micro-LEDs bulb,” IEEE Photonics Journal, vol. 13, no. 3, Paper 7300211, pp. 1-11, June 2021 (Q2)
49. W. Yuan, Q. Zhao, L. Li, Y. Wang, and C. Yu, “Simultaneous measurement of temperature and curvature using ring-core fiber-based Mach-Zehnder interferometer,” Optics Express, vol. 29, no. 12, pp. 17915-17925, June 2021 (Q1)
50. W. Chen, Y. Zhang, H. Yang, Y. Qiu, H. Li, Z. Chen, and C. Yu, “Non-invasive measurement of vital signs based on seven-core fiber interferometer,” IEEE Sensors Journal, vol. 21, no. 9, pp. 10703-10710, May 2021 (Q1)
51. W. Yuan and C. Yu, "Dual Demodulation of Temperature and refractive index using ring core fiber based Mach-Zehnder interferometer," Micromachines, vol. 12, no. 3, pp. 258.1-8, March 2021 (Q2)
52. Q. Zhao, J. Qu, G.D. Peng, C. Yu, “Endless Single-Mode Photonics Crystal Fiber Metalens for Broadband and Efficient Focusing in Near-Infrared Range,” Micromachines, vol. 12, no. 2, pp. 219.1-11, February 2021 (Q2)
53. B. Wang, Y. Mao, I. Ashry, Y. Al-Fehaid, A. Al-Shawaf, T. K. Ng, C. Yu, and B. S. Ooi, “Towards detecting red palm weevil using machine learning and fiber optic distributed acoustic sensing,” Sensors, vol. 21, no. 5, Paper 1592, pp. 1-14, February 2021 (Q1)
54. H. Luo, Z. Huang, X. Wu, and C. Yu, “Cost-effective multi-parameter optical performance monitoring using multi-task deep learning with adaptive ADTP and AAH,” IEEE/OSA Journal of Lightwave Technology, vol. 39, no. 6, pp. 1733-1741, March 2021 (Q1)
55. J. Zhou, H. Wang, Y. Feng, W. Liu, S. Gao, C. Yu, and Z. Li, “Processing for dispersive intensity-modulation and direct-detection fiber-optic communications,” Optics Letters, vol. 46, no. 1, pp. 138-141, January 2021 (Q1)
56. A.A. Noman, J.N. Dash, X. Cheng, C.Y. Leong, H.Y. Tam, and C. Yu, “Hydrogel based Fabry-Pérot cavity for a pH sensor,” Optics Express, vol. 28, no. 26, pp. 38456-40074, December 2020 (Q1)
57. Q. Zhao, Q. Hao, C. Yu, Y. Luo, and G.D. Peng, “Influence of liquid nitrogen cooling on the spectral performance of BAC-P in bismuth-doped phosphosilicate fibers under liquid nitrogen temperature,” Optical Materials Express, vol. 10, no. 12, pp. 3235-3244, December 2020 (Q1)
58. K. Luo, B. Wang, N. Guo, K. Yu, C. Yu, and C. Lu, “Enhancing SNR by anisotropic diffusion for brillouin distributed optical fiber sensors,” IEEE/OSA Journal of Lightwave Technology, vol. 38, no. 20, pp. 5844-5852, October 2020 (Q1)
59. Q. Zhao, Q. Hao, Y. Luo, X. Li, S. Cui, F. Tan, C. Yu, and G.D. Peng, “Photo-induced bleaching and thermally stimulated recovery of BAC-P in Bi-doped phosphosilicate fibers,” Optics Letters, vol. 45, no. 19, pp. 5389-5392, October 2020 (Q1)
60. J. Huo, X. Zhou, C. Shang, W. Huangfu, J. Yuan, H. Ning, K. Long, C. Yu, A.P.T. Lau, and C. Lu, “Theoretical and numerical analyses for PDM-IM signals using Stokes vector receivers,” Science China Information Sciences, vol. 63, no. 10, pp. 1-9, October 2020 (Q1)
61. S. Chen, F. Tan, W. Lyu, and C. Yu, “Ballistocardiography monitoring system based on optical fiber interferometer aided with heartbeat segmentation algorithm,” Biomedical Optics Express, vol. 11, no. 10, pp. 5458-5469, October 2020 (Q1)
62. H. Wang, J. Zhou, D. Guo, Y.H. Huang, C. Yu, W. Liu, and Z. Li, “Adaptive channel-matched detection for C-band 64-Gbit/s optical OOK system over 100-km dispersion-uncompensated link,” IEEE/OSA Journal of Lightwave Technology, vol. 38, no. 18, pp. 5048-5055, September 2020 (Q1)
63. J. Tu, S. Gao, Z. Wang, Z. Liu, W. Li, C. Du, W. Liu, Z. Li, C. Yu, H. Tam, and C. Lu, “Bend-insensitive grapefruit-type holey ring-core fiber for weakly-coupled OAM mode division multiplexing transmission,” IEEE/OSA Journal of Lightwave Technology, vol. 38, no. 16, pp. 4497-4503, August 2020 (Q1)
64. M. Xue, M. Lv, Q. Wang, C. Yu, and S. Pan, “Ultrahigh-resolution optoelectronic vector analysis utilizing photonics-based frequency up- and down-conversions,” IEEE/OSA Journal of Lightwave Technology, vol. 38, no. 15, pp. 3859-3865, August 2020 (Q1)
65. W. Xu, Y. Shen, C. Yu, B. Dong, W. Zhao, Y. Wang, “Long Modal Interference in Multimode Fiber and its Application in Vital Signs Monitoring,” Optics Communications, vol. 474, Paper 126100, pp. 1-7, May 2020 (Q2)
66. F. Tan, W. Lyu, S. Chen, Z. Liu, and C. Yu, “Contactless vital signs monitoring based on few-mode and multi-core fibers,” Opto-Electronic Advances, vol. 3, no. 5, Paper 190034, pp. 1-12, May 2020 (Invited) (Q1)
67. J. Gao, X. Zhou, Q. Fan, D. Lu, J. Huo, J. Yuan, K. Long, C. Yu, A.P.T. Lau, and C. Lu, “Modulation format and baud-rate identification using asynchronous single channel sampling based on CNN,” Optics Communications, vol. 463, Paper 125363, pp. 1-5, May 2020 (Q2)
68. X. You, Y. Zhong, J. Chen, and C. Yu, “Mobile channel estimation based on decision feedback in vehicle-to-infrastructure visible light communication systems,” Optics Communications, vol. 462, Paper 125261, pp. 1-7, May 2020 (Q2)
69. B. Wang, N. Guo, L. Wang, C. Yu, and C. Lu, “Robust and fast Temperature Extraction for Brillouin Optical Time-Domain Analyzer by Using Denoising Autoencoder-Based Deep Neural Networks,” IEEE Sensors Journal, vol. 20, no. 7, pp. 3614-3620, April 2020 (Q1)
70. W. Wang, Y. Liu, X. Du, X. Zhong, C. Yu, and X. Chen, “Ultra-stable and real-time demultiplexing system of strong fiber Bragg grating sensors based on low-frequency optoelectronic oscillator,” IEEE/OSA Journal of Lightwave Technology, vol. 38, no. 4, pp. 981-988, February 2020 (Q1)
71. Z. Wang, J. Tu, Z. Liu, C. Yu, and C. Lu, “Design of weakly coupled two-mode hollow-core antiresonant fiber with low loss,” IEEE/OSA Journal of Lightwave Technology, vol. 38, no. 4, pp. 864-874, February 2020 (Q1)
72. Z. Jiang, L. Kang, T. Yue, H. Xu, Y. Yang, Z. Jin, C. Yu, W. Hong, D.H. Werner and C.W. Qiu, “A Single Noninterleaved Metasurface for High-Capacity and Flexible Mode Multiplexing of Higher-Order Poincaré Sphere Beams,” Advanced Materials, vol. 32, no. 6, Paper 1903983, pp. 1-7, February 2020 (Impact factor: 25.809) (Q1)
73. J. Zhou, H. Wang, L. Liu, C. Yu, Y. Feng, S. Gao, W. Liu, and Z. Li, “C-band 56 Gbit/s on/off keying system over a 100 km dispersion-uncompensated link using only receiver-side digital signal processing,” Optics Letters, vol. 45, no. 3, pp. 758-761, February 2020 (Q1)
74. H. Wang, J. Zhou, W. Liu, J. Li, X. Huang, L. Liu, W. Liang, C. Yu, F. Li, and Z. Li, “BGD-based Adam algorithm for time-domain equalizer in PAM-based optical interconnects,” Optics Letters, vol. 45, no. 1, pp. 141-144, January 2020 (Q1)
75. B. Wang, L. Wang, N. Guo, Z. Zhao, C. Yu, and C. Lu, “Long-distance BOTDA sensing systems using video-BM3D denoising for both static and slowly varying environment,” Optics Express, vol. 27, no. 25, pp. 36100-36113, December 2019 (Q1)
76. F. Tan, S. Chen, W. Lyu, Z. Liu, C. Yu, and H.Y. Tam, “Non-invasive human vital signs monitoring based on twin-core optical fiber sensors,” Biomedical Optics Express, vol. 10, no. 11, pp. 5940-5952, November 2019 (Q1)
77. D. Lu, X. Zhou, J. Huo, J. Gao, Y. Yang, K. He, J. Yuan, K. Long, C. Yu, A.P.T. Lau, and C. Lu, “Theoretical CSPR analysis and performance comparison for four single-sideband modulation schemes with Kramers-Kronig receiver,” IEEE Access, vol. 7, pp. 166257-166267, November 2019 (Q2)
78. J. Gao, X. Zhou, J. Huo, K. He, K. Zhong, J. Yuan, K. Long, C. Yu, A.P.T. Lau, and C. Lu, “Joint baud-rate and modulation format identification based on asynchronous delay-tap plots analyzer by using convolutional neural network,” Optics Communications, vol. 450, pp. 97-102, November 2019 (Q2)
79. W. Chen, M. Xue, D. Zhu, C. Yu, C. Lu, and S. Pan, “Optical vector analysis with improved accuracy and enhanced dynamic range,” IEEE Photonics Technology Letters, vol. 31, no. 19, pp. 1565-1568, October 2019 (Q1)
80. L. Jin, Y.W. Huang, Z. Jin, R.C. Devlin, Z. Dong, S. Mei, M. Jiang, W.T. Chen, Z. Wei, H. Liu, J. Teng, A. Danner, X. Li, S. Xiao, S. Zhang, C. Yu, J.K.W. Yang, F. Capasso and C.W. Qiu, “Dielectric multi-momentum meta-transformer in the visible,” Nature Communications, 2019, vol. 10, no. 1, pp. 1-6, October 2019 (Impact factor: 11.880) (Q1)
81. J. Zhou, H. Wang, J. Wei, L. Liu, X. Huang, S. Gao, W. Liu, J. Li, C. Yu, Z. Li, “Adaptive moment estimation for polynomial nonlinear equalizer in PAM8-based optical interconnects,” Optics Express, vol. 27, no. 22, pp. 32210-32216, October 2019 (Q1)
82. H. Wang, J. Zhou, Y. Wang, J. Wei, W. Liu, C. Yu, and Z. Li, “Optimization Algorithms of Neural Networks for Traditional Time-Domain Equalizer in Optical Communications,” Applied Sciences, vol. 9, no. 18, Paper 3907, pp. 1-10, September 2019 (Q2)
83. X. Cheng, Y. Liu, and C. Yu, “Gas pressure sensor based on BDK-doped polymer optical fiber,” Micromachines, vol. 10, no. 11, Paper 717, pp. 1-8, October 2019 (Q2)
84. X. You, J. Chen, and C. Yu, “Performance of location-based equalization for OFDM indoor visible light communications,” IEEE Transactions on Cognitive Communications and Networking, vol. 5, no. 4, pp. 1229-1243, September 2019 (Q1)
85. C. Shan, J. Zhou, D. Guo, H. Wang, L. Liu, Q. Wang, W. Liu, and C. Yu, “Hartley-Domain DD-FTN Algorithm for ACO-SCFDM in Optical-Wireless Communications,” IEEE Photonics Journal, vol. 11, no. 4, Paper 7904509, pp. 1-9, August 2019 (Q2)
86. W. Yuan, H. Qian, Y. Liu, Z. Wang, and C. Yu, “Highly sensitive temperature and humidity sensor based on Carbon nanotube-assisted mismatched single-mode fiber structure,” Micromachines, vol. 10, no. 8, Paper 521, pp. 1-9, August 2019 (Q2)
87. J. Tu, Z. Liu, S. Gao, Z. Wang, J. Zhang, B. Zhang, J. Li, W. Liu, H.Y. Tam, Z. Li, C. Yu, and C. Lu, “Ring-core fiber with negative curvature structure supporting orbital angular momentum modes,” Optics Express, vol. 27, no. 15, pp. 20358-20372, July 2019 (Q1)
88. Y. Liu and C. Yu, “Highly stretchable hybrid silica/polymer optical fiber sensors for large-strain and high-temperature application,” Optics Express, vol. 27, no. 15, pp. 20107-20116, July 2019 (Q1)
89. J. Zhou, Y. Qiao, X. Huang, C. Yu, Q. Cheng, X. Tang, M. Guo, W. Liu, and Z. Li, “Joint FDE and MLSD algorithm for 56-Gbit/s optical FTN-PAM4 system using 10G-class optics,” IEEE/OSA Journal of Lightwave Technology, vol. 37, no. 13, pp. 3343-3350, July 2019 (Q1)
90. S. Li, M. Xue, T. Qing, C. Yu, L. Wu, and S. Pan, “Ultrafast and ultrahigh-resolutio n optical vector analysis using linearly frequency-modulated waveform and dechirp processing,” Optics Letters, vol. 44, no. 13, pp. 3322-3325, July 2019 (Q1)
91. W. Wang, L. Huang, J. Tao, H. Zhu, X. Du, L. Hao, C. Yu, and X. Chen, “Tunable multiple-passband microwave photonic filter based on external optical injected Fabry-Pérot laser,” Optics Express, vol. 27, no. 9, pp. 12491-12503, April 2019 (Q1)
92. X. Du, P.Y. Kam, and C. Yu, “Joint timing and frequency synchronization in coherent optical OFDM systems,” Frontiers of Optoelectronics, vol. 12, no. 1, pp. 4-14, March 2019 (Invited) (Q2)
93. P. Zhu, J. Wang, F. Rao, C. Yu, G. Zhou, and X. Huang, “Differential Fresnel-reflection-based fiber biochemical sensor with temperature self-compensation for high-resolution measurement of Cd2+ concentration in solution,” Sensors and Actuators B: Chemical, vol. 282, pp.644-649, March 2019 (Q1)
94. X. You, J Chen, and C. Yu, “Cold-start of coherent optical receivers with decision-aided maximum likelihood phase estimation scheme,” Optics Communications, vol. 435, pp. 41-45, March 2019 (Q2)
95. B. Wang, L. Wang, N. Guo, Z. Zhao, C. Yu, and C. Lu, “Deep neural networks assisted BOTDA for simultaneous temperature and strain measurement with enhanced accuracy,” Optics Express, vol. 27, no. 3, pp. 2530-2543, February 2019 (Q1)
96. S. Dong, B. Dong, C. Yu, and Y. Guo, “Cascaded fiber up-taper modal interferometer and its application as fiber sensor,” IEEE/OSA Journal of Lightwave Technology, vol. 37, no. 11, pp. 2675-2680, June 2019 (Q1)
97. Z. Jin, S. Mei, S. Chen, Y. Li, C. Zhang, Y. He, X. Yu, C. Yu, J.K.W. Yang, B. Luk’yanchuk, S. Xiao, and C.W. Qiu, “Complex inverse design of meta-optics by segmented hierarchical evolutionary algorithm,” ACS Nano, vol. 13, no. 1, pp. 821-829, January 2019 (Impact factor: 13.90) (Q1)
98. J. Zhou, Y. Qiao, C. Yu, M. Guo, X. Tang, W. Liu, S. Chun, and Z. Li, “Joint Hartley-domain and time-domain equalizer for a 200-G (4× 56-Gbit/s) optical PAM-4 system using 10G-class optics,” Optics Express, vol. 26, no. 26, pp. 34451-34460, December 2018 (Q1)
99. J. Tu, B. Zhang, Z. Liu, X. Zhou, K. Long, Z. Li, C. Lu, and C. Yu, “Chalcogenide-glass nested anti-resonant nodeless fibers in mid-infrared region,” IEEE/OSA Journal of Lightwave Technology, vol. 36, no. 11, pp. 5244-5253, November 2018 (Q1)
100. H. Ren, Z. Wang, S. Du, Y. He, J. Chen, S. Han, C. Yu, C. Xu, and J. Yu, “Performance improvement of NOMA visible light communication system by adjusting superposition constellation: a convex optimization approach,” Optics Express, vol. 26, no. 23, pp. 29796-29806, November 2018 (Q1)
101. X. You, J. Chen and C. Yu, “Efficient indoor data transmission with full dimming control in hybrid visible light/infrared communication systems,” IEEE Access, vol. 6, pp. 77675-77684, November 2018 (Q2)
102. F. Ni, Z. Xie, Q. Ma, J. Tao, L. Wu, C. Yu, and X. Huang, “Variable optical attenuator and modulator based on a graphene plasmonic gap waveguide,” Optics Communications, vol. 426, pp. 70-74, November 2018 (Q2)
103. J. Huo, X. Zhou, K. Zhong, J. Tu, H. Wei, J. Yuan, Z. Kang, K. Long, C. Yu, A.P.T. Lau, and C. Lu, “Experimental study of single channel 100 Gbit/s PAM4 transmission over 40 km using 17 GHz EML and APD at O band,” Optical Fiber Technology, vol. 45, pp. 411-414, November 2018 (Q1)
104. X. Shen, J. Huo, X. Zhou, K. Zhong, J. Yuan, J. Tu, K. Long, C. Yu, A.P.T. Lau, and C. Lu, “Performance comparison among three different Stokes vector direct-detection receivers,” Chinese Optics Letters, vol. 16, no. 10, Paper 100605, pp.1-6, October 2018 (Q2)
105. J. Huo, X. Zhou, K. Zhong, J. Tu, J. Yuan, C. Guo, K. Long, C. Yu, A.P.T. Lau, and C. Lu, “Transmitter and receiver DSP for 112 Gbit/s PAM-4 amplifier-less transmissions using 25G-class EML and APD,” Optics Express, vol. 26, no. 18, pp. 22673-22686, September 2018 (Q1)
106. F. Tan, Z. Liu, J. Tu, C. Yu, C. Lu, and H.Y. Tam, “Torsion sensor based on inter-core mode coupling in seven-core fiber,” Optics Express, vol. 26, no. 16, pp. 19835-19844, August 2018 (Q1)
107. Y. Li, T. Song, M. Gurusamy, C. Yu, and P.Y. Kam, “Enhanced adaptive DA-ML carrier phase estimator and its application to accurate laser linewidth and SNR estimation,” Optics Express, vol. 26, no. 12, pp. 14817-14831, June 2018 (Q1)
108. N. Zhang, W. Xu, S. You, C.C. Yu, C. Yu, B. Dong, and K, Li, “Simultaneous measurement of refractive index, strain and temperature using a tapered structure based on SMF,” Optics Communications, vol. 410, pp. 70-74, March 2018 (Q2)
109. S. Dong, B. Dong, C. Yu, and Y. Guo, “High sensitivity optical fiber curvature sensor based on cascaded fiber interferometer,” IEEE/OSA Journal of Lightwave Technology, vol. 36, no. 4, pp. 1125-1130, February 2018 (Q1)
110. Y. Li, M. Wu, X. Du, Z. Xu, M. Gurusamy, C. Yu, and P.Y. Kam, “Nonlinear phase noise tolerance for coherent optical systems using soft-decision-aided ML carrier phase estimation enhanced with constellation partitioning,” Optics Communications, vol. 409, pp. 45-51, February 2018 (Q2)
111. X. Li, M. Luo, Y. Qiu, A. Alphones, W. Zhong, C. Yu, and Q. Yang, “Independent component analysis based digital signal processing in coherent optical fiber communication systems,” Optics Communications, vol. 409, pp. 13-22, February 2018 (Q2)
112. K. Zhong, X. Zhou, J. Huo, C. Yu, C. Lu, and A.P.T. Lau, “Digital signal processing for short-reach optical communications: a review of current technologies and future trends,” IEEE/OSA Journal of Lightwave Technology, vol. 36, no. 2, pp. 377-400, January 2018 (Invited) (Q1)
113. C. Yu, B. Wang, L. Wang, and C. Lu, “The application of neural network in brillouin optical time domain analyzer for temperature extraction,” Study on Optical Communications, no. 204, pp. 1-6, December 2017 (Invited)
114. Y. Xu, Z. Wang, P. Liu, J. Chen, S. Han, C. Yu, and J. Yu, “Accuracy analysis and improvement of visible light positioning based on VLC system using orthogonal frequency division multiple access,” Optics Express, vol. 25, no. 15, pp. 32618-32630, December 2017 (Q1)
115. C. Hao, Z. Nie, H. Ye, H. Li, Y. Luo, R. Feng, X. Yu, F. Wen, Y. Zhang, C. Yu, J. Teng, B. Luk’yanchuk, and C.W. Qiu, “Three-dimensional supercritical resolved light-induced-magnetic holography,” Science Advances, vol. 3, Paper 1701398, pp.1-9, October 2017 (Impact Factor 12.80) (Q1)
116. J. Huo, X. Zhou, K. Zhong, T. Gui, F. Tan, J. Tu, J. Yuan, H. Zhang, K. Long, C. Yu, A.P.T. Lau, and C. Lu, “100-Gb/s 80-km transmission of PIM-SSB-OFDM at C-band using a single-end photodetector,” Optical Engineering, vol. 56, no. 10, Paper 106116, pp.1-5, October 2017 (Q2)
117. X. Zhou, J. Huo, K. Zhong, F.N. Khan, T. Gui, H. Zhang, J. Tu, J. Yuan, K. Long, C. Yu, A.P.T. Lau, and C. Lu, “Single channel 50 Gbit/s transmission over 40km SSMF without optical amplification and in-line dispersion compensation using a Single-End PD-Based PDM-SSB-DMT system,” IEEE Photonics Journal, vol. 9, no. 5, paper 7906911, pp. 1-11, October 2017 (Q2)
118. H. Zheng, Z. Xu, C. Yu, and M. Gurusamy, “A 3-D high accuracy positioning system based on visible light communication with novel positioning algorithm,” Optics Communications, vol. 396, pp. 160-168, August 2017 (Q2)
119. F.N. Khan, K. Zhong, X. Zhou, W.H. Al-Arashi, C. Yu, C. Lu, and A.P.T. Lau, “Joint OSNR monitoring and modulation format identification in digital coherent receivers using deep neural networks,” Optics Express, vol. 25, no. 15, pp. 17767-17776, July 2017 (Q1)
120. X. You, J. Chen, C. Yu, and H. Zheng, “Time domain reshuffling for OFDM based indoor visible light communication systems,” Optics Express, vol. 25, no. 10, pp. 11606-11621, May 2017 (Q1)
121. L. Wang, N. Guo, C. Jin, K. Zhong, X. Zhou, J. Yuan, B. Zhou, C. Yu, H.Y. Tam, and C. Lu, “Coherent BOTDA using Phase- and Polarization-Diversity Heterodyne Detection and Embedded Digital Signal Processing,” IEEE Sensors Journal, vol. 17, no. 12, pp. 3728-3734, April 2017 (Q1)
122. K. Tan, Y. Huang, G.Q. Lo, C. Lee, and C. Yu, “Experimental realization of an O-band compact polarization splitter and rotator,” Optics Express, vol. 25, no. 14, pp. 3234-3241, February 2017 (Q1)
123. H. Zheng, J. Chen, C. Yu, and G. Mohan, “Inverse design of LED arrangement for visible light communication systems,” Optics Communications, vol. 382, pp. 615-623, January 2017 (Q2)
124. X. You, J. Chen, P. Wang, C. Yu, and P. Li, “Flexible decision-aided maximum likelihood phase estimation in coherent optical phase-shift-keying systems,” Photonic Network Communications, vol. 32, no. 2, pp. 204-212, October 2016 (Q2)
125. K. Zhong, X. Zhou, Y. Wang, L. Wang, J. Yuan, C. Yu, A.P.T. Lau, and C. Lu, “Experimental demonstration of 608Gbit/s short reach transmission employing half-cycle 16QAM Nyquist-SCM signal and direct detection with 25Gbps EML,” Optics Express, vol. 24, no. 22, pp. 25057-25067, October 2016 (Q1)
126. F.N. Khan, K. Zhong, W.H. Al-Arashi, C. Yu, C. Lu, and A.P.T. Lau, “Modulation format identification in coherent receivers using deep machine learning,” IEEE Photonics Technology Letters, vol. 28, no. 17, pp. 1886-1889, September 2016 (Q1)
127. B. Dong, Z. Shen, C. Yu, Y. Wang, “Modal excitations in fully and partially ethanol-filled photonic bandgap fibers and their applications as fiber sensors,” IEEE/OSA Journal of Lightwave Technology, vol. 34, no. 16, pp. 3853-3858, August 2016 (Q1)
128. P. Wang, J. Chen, X. You, Z. Ma, X. Liu, and C. Yu, “Flexible decision-aided maximum likelihood phase estimation for optical coherent QAM signals,” Acta Optica Sinica, vol. 36, no. 8, August 2016 (Q3)
129. J. Zhou, C. Yu, G. Mohan, and H. Kim, “25-Gb/s OOK transmission using 1.5-µm 10G‑class VCSEL for optical access network,” IEEE/OSA Journal of Lightwave Technology, vol. 34, no. 16, pp. 3790-3795, August 2016 (Q1)
130. X. Du, J. Zhang, Y. Li, C. Yu, and P.Y. Kam, “Efficient Joint Timing and Frequency Synchronization Algorithm for Coherent Optical OFDM Systems,” Optics Express, vol. 24, no. 17, pp. 19967-19977, August 2016 (Q1)
131. K. Tan, Y. Huang, G.Q. Lo, C. Lee, and C. Yu, “Compact highly-efficient polarization splitter and rotator based on 90° bends,” Optics Express, vol. 24, no. 13, pp. 14506-14512, June 2016 (Q1)
132. Y. Fan, J. Chen, Y. Zhang, and C. Yu, “Performance of ADC resolution-limited optical coherent receivers with DA-ML carrier phase estimation,” Photonic Network Communications, vol. 31, no. 2, pp. 285-293, April 2016 (Q2)
133. B. Dong, Y. Peng, Y. Wang, C.Yu, “Mode division multiplexing in a fiber modal interferometer for dual parameters measurement,” IEEE Photonics Technology Letters, vol. 28, no. 2, pp. 143-146, January 2016 (Q1)
134. B. Dong, C. Yu, Y. Wang, “Intensity-modulated micro-displacement sensor with an embedded fiber dual cladding modes interferometer,” Sensors and Actuators A: Physical, vol. 236, pp.334-337, December 2015 (Q1)
135. B. Dong, B. Zhang, J. Ng, Y. Wang, and C.Yu, “Ultrahigh-sensitivity fiber acoustic sensor with a dual cladding modes fiber up-taper interferometer,” IEEE Photonics Technology Letters, vol. 27, no. 21, pp. 2234 – 2237, November 2015 (Q1)
136. B. Dong, Y. Ge, Y. Wang, C. Yu, “High extinction-ratio dual thin-taper fiber interferometer fabricated by arc-discharge and its performance as sensors,” Optics Communications, vol. 355, pp. 225-229, November 2015 (Q2)
137. F.N. Khan, Y. Yu, M.C. Tan, W.H. Al-Arashi, C. Yu, A.P.T. Lau, and C. Lu, “Experimental demonstration of joint OSNR monitoring and modulation format identification using asynchronous single channel sampling,” Optics Express, vol. 23, no. 23, pp. 30337-30346, November 2015 (Q1)
138. X. Li, W.D. Zhong, A. Alphones, C. Yu, and Z. Xu, “Improving performance of channel equalization in RSOA-based WDM-PON by QR decomposition,” Optics Express, vol. 23, no. 21, pp. 27299-27305, October 2015 (Q1)
139. Q. Hu, C. Yu, P.Y. Kam, and H. Kim, “Optimum linewidth of spectrum-sliced incoherent light source using a gain-saturated semiconductor optical amplifier,” IEEE/OSA Journal of Lightwave Technology, vol. 33, no. 17, pp. 3744-3750, September 2015 (Q1)
140. Y. Yu, B. Dong, and C. Yu, “Optical signal-to-noise ratio monitoring using a Sagnac interferometer based on fiber birefringence,” IEEE Photonics Technology Letters, vol. 27, no. 18, pp. 1899-1902, September 2015 (Q1)
141. J. Zhou, C. Yu, and H. Kim, “Transmission performance of OOK and 4-PAM signals using directly modulated 1.5-μm VCSEL for optical access network,” IEEE/OSA Journal of Lightwave Technology, vol. 33, no. 15, pp. 3243-3249, August 2015 (Q1)
142. X. You, J. Chen, H. Zheng, and C. Yu, “Efficient data transmission using MPPM dimming control in indoor visible light communication,” IEEE Photonics Journal, vol. 7, no. 4, paper 7902512, pp. 1-12, August 2015 (Q2)
143. Y. Yu and C. Yu, “Optical signal to noise ratio monitoring using variable phase difference phase portrait with software synchronization,” Optics Express, vol. 23, no. 9, pp. 11284-11289, May 2015 (Q1)
144. S. Cao, P.Y. Kam, C. Yu, and X. Cheng, “Performance investigation of pilot-aided log-likelihood ratios for LDPC coded CO-OFDM,” IEEE/OSA Journal of Lightwave Technology, vol. 33, no. 10, pp. 1961-1970, May 2015 (Q1)
145. T. Lei, M. Zhang, Y. Li, P. Jia, G.N. Liu, X. Xu, Z. Li, C. Min, J. Lin, C.Yu, H. Niu, and X. Yuan, “Massive individual orbital angular momentum channels for multiplexing enabled by Dammann gratings,” Light: Science & Applications, vol. 4, no. e257, pp. 1-7, March 2015 (Impact Factor 14.00) (Q1)
146. C. Jin, N. Guo, Y. Feng, L. Wang, H. Liang, J. Li, Z. Li, C. Yu, and C. Lu, “Scanning-free BOTDA based on ultra-fine digital optical frequency comb,” Optics Express, vol. 23, no. 4, pp. 5277-5284, February 2015 (Q1)
147. Q. Hu, C. Yu, and H. Kim, “5-Gb/s upstream transmission using an RSOA seeded by ultra-narrow spectrum-sliced incoherent light,” Optical Fiber Technology, vol. 21, pp. 137-140, January 2015 (Q1)
148. X. Zhang, Z. Li, J. Li, C. Yu, A.P.T. Lau, and C. Lu, “Low-cost coherent receiver for long-reach optical access network using single-ended detection,” Optics Letters, vol. 39, no. 18, pp. 5248-5250, September 2014 (Q1)
149. C. Yu, P.Y. Kam, and S. Cao, “Carrier recovery in coherent receiver of optical orthogonal frequency division multiplexing system,” Frontiers of Optoelectronics, vol. 7, no. 3, pp. 348-358, September 2014 (Invited) (Q2)
150. X. Li, W.D. Zhong, A. Alphones, C. Yu, and Z. Xu, “Channel Equalization in Optical OFDM Systems Using Independent Component Analysis,” IEEE/OSA Journal of Lightwave Technology, vol. 32, no. 18, pp. 3206-3214, September 2014 (Q1)
151. S. Cao, P.Y. Kam, C. Yu, and X. Cheng, “Pilot-tone assisted log-likelihood ratio for LDPC coded CO-OFDM system,” IEEE Photonics Technology Letters, vol. 26, no. 15, pp. 1577-1580, August 2014 (Q1)
152. X. You, J. Chen, M. Feng, and C. Yu, “Analysis of time domain reshuffling based on dc-biased optical OFDM,” Acta Photonica Sinica, vol. 43, no. 7, July 2014 (Q4)
153. S. Hu, L. Li, X. Yi, and C. Yu, “Ultraflat widely tuned single bandpass filter based on stimulated Brillouin scattering,” IEEE Photonics Technology Letters, vol. 26, no. 14, pp. 1466-1469, July 2014 (Q1)
154. Y. Yu and C. Yu, “Dispersion insensitive optical signal to noise ratio monitoring of PDM signal by using uncorrelated signal power,” Optics Express, vol. 22, no. 11, pp. 12823-12828, June 2014 (Q1)
155. Y. Yu, B. Zhang, and C. Yu, “Optical signal to noise ratio monitoring using single channel sampling technique,” Optics Express, vol. 22, no. 6, pp. 6874-6880, March 2014 (Q1)
156. J. Liu, Z. Li, and C. Yu, “Complementary frequency shifter based on polarization modulator used for generation of a high-quality frequency-locked multicarrier,” Optics Letters, vol. 39, no. 6, pp. 1513-1516, March 2014 (Q1)
157. B. Dong, N. Chen, G. Cheng, C. Yu, and Y. Gong, “Optical pump induced thermal sensitivity reduction in a minimized Er/Yb-codoped-fiber Mach–Zehnder interferometer,” IEEE/OSA Journal of Lightwave Technology, vol. 32, no. 5, pp. 917-921, March 2014 (Q1)
158. Z. Xu, P.Y. Kam, and C. Yu, “Adaptive Maximum Likelihood Sequence Detection for QPSK Coherent Optical Communication System,” IEEE Photonics Technology Letters, vol. 26, no. 6, pp. 583-586, March 2014 (Q1)
159. X. Li, W.D. Zhong, A. Alphones and C. Yu, “Channel Equalization Using Independent Component Analysis in PDM-CO-OFDM,” IEEE Photonics Technology Letters, vol. 26, no. 5, pp. 497-500, March 2014 (Q1)
160. X. Li, W.D. Zhong, A. Alphones and C. Yu, “Time-Domain Adaptive Decision-Directed Channel Equalizer for RGI-DP-CO-OFDM,” IEEE Photonics Technology Letters, vol. 26, no. 3, pp.285-288, February 2014 (Q1)
161. W. Xu, W.B. Huang, X.G. Huang, and C. Yu, “A simple fiber-optic humidity sensor based on extrinsic Fabry–Perot cavity constructed by cellulose acetate butyrate film,” Optical Fiber Technology, vol. 19, no. 6, pp. 583–586, December 2013 (Q1)
162. S. Cao, P.Y. Kam, and C. Yu, “Time-domain blind ICI mitigation for non-constant modulus format in CO-OFDM,” IEEE Photonics Technology Letters, vol. 25, no. 24, pp. 2490-2493, December 2013 (Q1)
163. X. Li, W.D. Zhong, A. Alphones and C. Yu, “Fiber nonlinearity tolerance of APSK modulated DFT-S OFDM systems,” IEEE Photonics Technology Letters, vol. 25, no. 23, pp. 2304-2307, December 2013 (Q1)
164. J. Liu, N. Guo, Z. Li, C. Yu, and C. Lu, “Ultrahigh-Q microwave photonic filter with tunable Q value utilizing cascaded optical-electrical feedback loops,” Optics Letters, vol. 38, no. 21, pp. 4304-4307, November 2013 (Q1)
165. X. Li, W.D. Zhong, A. Alphones and C. Yu, “Pilot-aided channel equalization in RGI-PDM-CO-OFDM systems,” IEEE Photonics Technology Letters, vol. 25, no. 19, pp. 1924-1927, October 2013 (Q1)
166. S. Cao, C. Yu, and P.Y. Kam, “A performance investigation of correlation-based and pilot-tone-assisted frequency offset compensation method for CO-OFDM,” Optics Express, vol. 21, no. 19, pp. 22847-22853, September 2013 (Q1)
167. X. Li, A. Alphones, W.D. Zhong and C. Yu, “Investigation of PMD in direct-detection optical OFDM with zero padding,” Optics Express, vol. 21, no. 18, pp. 20851-20856, September 2013 (Q1)
168. D. Huang, T.H. Cheng, and C. Yu, “Study on phase interpolation filters for coherent optical communications,” IEEE Photonics Technology Letters, vol. 25, no. 17, pp. 1731-1733, September 2013 (Q1)
169. Y. Hong, J. Chen, Z. Wong, and C. Yu, “Performance of a precoding MIMO system for decentralized multiuser indoor visible light communications,” IEEE Photonics Journal, vol. 5, no. 4, Paper 7800211, pp. 1-12, August 2013 (Q2)
170. C. Jin, Y. Bao, Z. Li, T. Gui, H. Shang, X. Feng, J. Li, X. Yi, C. Yu, G. Li, and C. Lu, “High-resolution optical spectrum characterization using optical channel estimation and spectrum stitching technique,” Optics Letters, vol. 38, no. 13, pp. 2314-2316, July 2013 (Q1)
171. Z. Li, H. Shang, J. Li, C. Yu, X. Feng, B. Guan, and C. Lu, “Broadband and linear photonic RF phase shifter based on DBR fiber lasers and polarization sensitive optical phase modulator,” Optics Communications, vol. 297, pp. 55-58, June 2013 (Q2)
172. S. Cao, P.Y. Kam, and C. Yu, “Pilot-aided log-likelihood ratio for LDPC coded MPSK-OFDM transmission,” IEEE Photonics Technology Letters, vol. 25, no. 6, pp. 594-597, March 2013 (Q1)
173. B. Zhang, H. Zhang, C. Yu, X. Cheng, Y.K. Yeo, P.Y. Kam, J. Yang, H. Zhang, Y.-H. Wen, and K.-M. Feng, “An all-optical modulation format conversion for 8QAM based on FWM in HNLF,” IEEE Photonics Technology Letters, vol. 25, no. 4, pp. 327-330, February 2013 (Q1)
174. D. Huang, T.H. Cheng, and C. Yu, “Accurate two-stage frequency offset estimation for coherent optical systems,” IEEE Photonics Technology Letters, vol. 25, no. 2, pp. 179-182, January 2013 (Q1)
175. H. Zhang, B. Zhang, C. Yu, and P.Y. Kam, “Experiment on coherent optical RZ 8-star QAM systems using decision-aided maximum likelihood phase estimation,” IEEE Photonics Technology Letters, vol. 24, no. 23, pp. 2139-2141, December 2012 (Q1)
176. S. Cao, P.Y. Kam, and C. Yu, “Decision-aided, pilot-aided, decision-feedback phase estimation for coherent optical OFDM systems,” IEEE Photonics Technology Letters, vol. 24, no. 22, pp. 2067-2069, November 2012 (Q1)
177. Z. Wang, W. Zhong, and C. Yu, “Performance improvement of OOK free-space optical communication systems by coherent detection and dynamic decision threshold in atmospheric turbulence conditions,” IEEE Photonics Technology Letters, vol. 24, no. 22, pp. 2035-2037, November 2012 (Q1)
178. Z. Wang, W. Zhong, C. Yu, J. Chen, C.P. Shin, and W. Chen, “Performance of dimming control scheme in visible light communication system,” Optics Express, vol. 20, no. 17, pp. 18861-18868, August 2012 (Q1)
179. B. Dong, J. Hu, C. Yu, and J. Hao, “Multi-wavelength Q-switched erbium doped fiber laser with a short carbon nanotube based saturable absorber,” Optics Communications, vol. 285, no. 18, pp. 3864-3867, August 2012 (Q2)
180. B. Dong, J. Hu, Z. Chen, and C. Yu, “Long-distance fiber sensor system based on the second-order Raman pump and amplification,” Applied Physics B, vol. 108, no. 1, pp. 57-60, July 2012 (Q2)
181. S. Cao, C. Yu, and P.Y. Kam, “Decision-aided joint compensation of transmitter IQ mismatch and phase noise for coherent optical OFDM,” IEEE Photonics Technology Letters, vol. 24, no. 12, pp. 1066-1068, June 2012 (Q1)
182. H. Zhang, P.Y. Kam, and C. Yu, “Performance analysis of coherent optical 8-star QAM systems using decision-aided maximum likelihood phase estimation,” Optics Express, vol. 20, no. 8, pp. 9302-9311, April 2012 (Q1)
183. Z. Wang, W. Zhong, C. Yu, and S. Fu, “Performance improvement of on-off-keying free-space optical transmission systems by a co-propagating reference continuous wave light,” Optics Express, vol. 20, no. 8, pp. 9284-9205, April 2012 (Q1)
184. J. Hu, Z. Chen, and C. Yu, “150-km Long distance FBG temperature and vibration sensor system based on stimulated Raman amplification,” IEEE/OSA Journal of Lightwave Technology, vol. 30, no. 8, pp. 1237-1243, April 2012 (Invited) (Q1)
185. Z. Wang, C. Yu, W. Zhong, J. Chen, and W. Chen, “Performance of a novel LED lamp arrangement to reduce SNR fluctuation for multi-user visible light communication systems,” Optics Express, vol. 20, no. 4, pp. 4564-4573, February 2012 (Q1)
186. X. Shao, P.Y. Kam, and C. Yu, “Maximum likelihood sequence detection in laser phase noise - impaired coherent optical systems,” Optics Express, vol. 19, no. 23, pp. 22600-22606, November 2011 (Q1)
187. J. Yang, C. Yu, Y. Yang, L. Cheng, Z. Li, C. Lu, A.P.T. Lau, H.Y. Tam, and P.K.A. Wai, “PMD-insensitive CD monitoring based on RF clock power ratio measurement with optical notch filter,” IEEE Photonics Technology Letters, vol. 23, no. 21, pp. 1576-1578, November 2011 (Q1)
188. Z. Wang, C. Yu, W. Zhong, and J. Chen, “Performance Improvement by Tilting Receiver Plane in M-QAM OFDM Visible Light Communications,” Optics Express, vol. 19, no. 14, pp. 13418-13427, July 2011 (Q1)
189. S. Zhang, L. Xu, P.Y. Kam, C. Yu, J. Chen, and T. Wang, “A performance investigation of adaptive phase estimations in coherent optical communications,” IEEE Photonics Technology Letters, vol. 23, no. 8, pp. 462 - 464, April 2011 (Q1)
190. B. Dong, J. Hu, C. Liaw, J. Hao, and C. Yu, “Wideband-tunable nanotube Q-switched low threshold erbium doped fiber laser,” Applied Optics, vol. 50, no. 10, pp. 1442-1445, March 2011 (Q2)
191. J. Yang, C. Yu, L. Cheng, Z. Li, C. Lu, A.P.T. Lau, H.Y. Tam, and P.K.A. Wai, “CD-insensitive PMD monitoring based on RF power measurement,” Optics Express, vol. 19, no. 2, pp. 1354-1359, January 2011 (Q1)
192. J. Hu, and C. Yu, “Low power autocorrelation technique based on the degree-of-polarization measurement,” Optics Communications, vol. 283, no. 24, pp. 4928-4932, December 2010 (Q2)
193. T.S.R. Shen, A.P.T. Lau, and C. Yu, “Simultaneous and independent multi-parameter monitoring with fault localization for DSP-based coherent communication systems,” Optics Express, vol. 18, no. 23, pp. 23608-23619, November 2010 (Q1)
194. J. Hu, Z. Chen, X. Yang, J. Ng, and C. Yu, “100-km long distance fiber Bragg grating sensor system based on Erbium-doped fiber and Raman amplification,” IEEE Photonics Technology Letters, vol. 22, no. 19, pp. 1422 - 1424, October 2010 (Q1)
195. S. Zhang, P. Y. Kam, C. Yu, and J. Chen, “Decision-aided carrier phase estimation for coherent optical communications,” IEEE/OSA Journal of Lightwave Technology, vol. 28, no. 11, pp. 1597 – 1607, June 2010 (Q1)
196. Z. Li, C. Yu, Y. Dong, L. Cheng, L.F.K. Lui, C. Lu, A.P.T. Lau, H.Y. Tam, and P.K.A. Wai, “Linear photonic radio frequency phase shifter using a differential-group-delay element and an optical phase modulator,” Optics Letters, vol. 35, no. 11, pp. 1881-1883, May 2010 (Q1)
197. S. Zhang, P. Y. Kam, C. Yu, and J. Chen, “Bit-error rate performance of coherent optical M-ary PSK/QAM using decision-aided maximum likelihood phase estimation,” Optics Express, vol. 18, no. 12, pp. 12088 – 12103, May 2010 (Q1)
198. S. Zhang, L. Xu, J. Yu, M.-F. Huang, P. Y. Kam, C. Yu, and T. Wang, “Dual-stage cascaded frequency offset estimation for digital coherent receivers,” IEEE Photonics Technology Letters, vol. 22, no. 6, pp. 401-403, March 2010 (Q1)
199. S. Zhang, X. Li, P. Y. Kam, C. Yu, and J. Chen, “Pilot-assisted, decision-aided, maximum likelihood phase estimation in coherent optical phase-modulated systems with nonlinear phase noise,” IEEE Photonics Technology Letters, vol. 22, no. 6, pp. 380-382, March 2010 (Q1)
200. J. Yang, J. Hu, C. Yu, Y.K. Yeo, and Y. Wang, “Multi-channel 80-GHz RZ pulse train generation based on parametric process in highly-nonlinear fiber,” Optics Communications, vol. 283, no. 6, pp. 939-945, March 2010 (Q2)
201. Z. Li, Z. Jian, L. Cheng, Y. Yang, C. Lu, A.P.T. Lau, C. Yu, H.Y. Tam, and P.K.A. Wai, “Signed chromatic dispersion monitoring of 100Gbit/s CS-RZ DQPSK signal by evaluating the asymmetry ratio of delay tap sampling,” Optics Express, vol. 18, no. 3, pp. 3149-3157, February 2010 (Q1)
202. Z. Pan, C. Yu, and A.E. Willner, “Optical performance monitoring for the next generation optical communication networks,” Optical Fiber Technology, vol. 16, no. 1, pp. 20-45, January 2010 (Invited) (Q1)
203. S. Zhang, C. Yu, P.Y. Kam, and J. Chen, “Parallel implementation of decision-aided maximum likelihood phase estimation in coherent M-ary phase-shift keying systems,” IEEE Photonics Technology Letters, vol. 21, no. 19, pp. 1471-1473, October 2009 (Q1)
204. S. Zhang, P.Y. Kam, C. Yu, and J. Chen, “Laser linewidth tolerance of decision-aided maximum likelihood phase estimation in coherent optical M-ary PSK and QAM systems,” IEEE Photonics Technology Letters, vol. 21, no. 15, pp. 1075-1077, August 2009 (Q1)
205. C. Yu, Y. Wang, Z. Pan, T. Luo, S. Kumar, B. Zhang, and A.E. Willner, “Carrier-suppressed 160 GHz pulse-train generation using a 40-GHz phase modulator with polarization-maintaining fiber,” Optics Letters, vol. 34, no. 11, pp. 1657-1659, June 2009 (Q1)
206. J. Yang, C. Yu, Z. Chen, J. Ng and X. Yang, “Suppression of polarisation-induced signal fluctuation in optic distributed sensing system based on stimulated Brillouin scattering,” Electronics Letters, vol. 45, no. 3, pp. 154-156, January 2009 (Q2)
207. S. Zhang, P.Y. Kam, J. Chen, and C. Yu, “Decision-aided maximum likelihood detection in coherent optical phase-shift-keying system,” Optics Express, vol. 17, no. 2, pp. 703-715, January 2009 (Q1)
208. G.J. Pendock, X. Yi, C. Yu, and W. Shieh, “Dispersion-monitoring in WDM systems by injecting modulated ASE,” IEEE Photonics Technology Letters, vol. 20, no. 10, pp. 821 - 823, May 2008 (Q1)
209. L. Zhang, T. Luo Y. Yue, C. Yu, and A.E. Willner, “Photosensitivity-enabled dispersion controllability for quasi-phase-matching in photonic crystal fibers,” Optics Letters, vol. 32, no. 24, pp. 3498-3500, December 2007 (Q1)
210. L. Zhang, T. Luo, C. Yu, W. Zhang, and A.E. Willner, “Pattern dependence of data distortion in slow-light elements,” IEEE/OSA Journal of Lightwave Technology, vol. 25, no. 7, pp. 1754-1760, July 2007 (Q1)
211. Z. Pan, S. Chandel, and C. Yu, “Ultrahigh-speed optical pulse generation using a phase modulator and two stages of delayed Mach-Zehnder interferometers,” Optical Engineering, vol. 46, no. 7, Paper 075001, pp. 1-3, July 2007 (Q2)
212. Y. Wang, C. Yu, L.-S. Yan, A.E. Willner, R. Roussev, C. Langrock, M.M. Fejer, Y. Okawachi, J.E. Sharping, and A.L. Gaeta, “44-ns continuously tunable dispersionless optical delay element using a PPLN waveguide with two-pump configuration, DCF, and a dispersion compensator,” IEEE Photonics Technology Letters, vol. 19, no. 11, pp. 861-863, June 2007 (Q1)
213. C. Yu, Z. Pan, T. Luo, Y. Wang, L. Christen, and A.E. Willner, “Beyond 40-GHz return-to-zero optical pulse-train generation using a phase modulator and polarization-maintaining fiber,” IEEE Photonics Technology Letters, vol. 19, no. 1, pp. 42-44, January 2007 (Q1)
214. C. Yu, T. Luo, L. Zhang, and A.E. Willner, “Data pulse distortion induced by a slow light tunable delay line in optical fiber,” Optics Letters, vol. 32, no.1, pp. 20-22, January 2007 (Q1)
215. C. Yu, T. Luo, B. Zhang, Z. Pan, M. Adler, Y. Wang, J.E. McGeehan, and A.E. Willner, “Wavelength-shift-free 3R regenerator for 40-Gb/s RZ system by optical parametric amplification in fiber,” IEEE Photonics Technology Letters, vol. 18, no. 24, pp. 2569-2571, December 2006 (Q1)
216. T. Luo, C. Yu, L.-S. Yan, S. Kumar, Z. Pan, and A.E. Willner, “Simple autocorrelation technique based on degree-of-polarization measurement,” IEEE Photonics Technology Letters, vol. 18, no. 15, pp. 1606 - 1608, August 2006 (Q1)
217. L.-S. Yan, X.S. Yao, C. Yu, Y. Wang, L. Lin, Z. Chen, and A.E. Willner, “High-speed and highly repeatable polarization-state analyzer for 40-Gb/s system performance monitoring,” IEEE Photonics Technology Letters, vol. 18, no. 4, pp. 643 - 645, February 2006 (Q1)
218. T. Luo, C. Yu, Z. Pan, Y. Wang, J.E. McGeehan, M. Adler, and A.E. Willner, “All-optical chromatic dispersion monitoring of a 40-Gb/s RZ signal by measuring the XPM-generated optical tone power in a highly nonlinear fiber,” IEEE Photonics Technology Letters, vol. 18, no. 2, pp. 430 - 432, January 2006 (Q1)
219. L. Zhang, C. Yang, C. Yu, T. Luo, and A.E. Willner, “PCF-based polarization splitters with simplified structures,” IEEE/OSA Journal of Lightwave Technology, vol. 23, no. 11, pp. 3558 - 3565, November 2005 (Q1)
220. T. Luo, C. Yu, Z. Pan, Y. Wang, Y. Arieli, and A.E. Willner, “Dispersive effects monitoring for RZ data by adding a frequency-shifted carrier along the orthogonal polarization state,” IEEE/OSA Journal of Lightwave Technology, vol. 23, no. 10, pp. 3295 - 3301, October 2005 (Q1)
221. Y. Wang, C. Yu, T. Luo, Z. Pan, L.-S. Yan, and A.E. Willner, “Tunable all-optical wavelength conversion and wavelength multicasting using orthogonally polarized fiber FWM,” IEEE/OSA Journal of Lightwave Technology, vol. 23, no.10, pp. 3331 - 3338, October 2005 (Q1)
222. L.-S. Yan, Y. Wang, B. Zhang, C. Yu, J. McGeehan, L. Paraschis, and A.E. Willner, “Reach extension in 10-Gb/s directly modulated transmission systems using asymmetric and narrowband optical filtering,” Optics Express, vol. 13, no. 13, pp. 5106-5115, June 2005 (Q1)
223. L.-S. Yan, C. Yu, Y. Wang, T. Luo, L. Paraschis, and A.E. Willner, “40-Gb/s transmission over 25 km of negative-dispersion fiber using asymmetric narrow-band filtering of a commercial directly modulated DFB laser,” IEEE Photonics Technology Letters, vol. 17, no. 6, pp. 1322-1324, June 2005 (Q1)
224. C. Yu, L. Christen, T. Luo, Y. Wang, Z. Pan, L.-S. Yan, and A.E. Willner, “All-optical XOR gate using polarization rotation in single highly–nonlinear fiber,” IEEE Photonics Technology Letters, vol. 17, no. 6, pp. 1232-1234, June 2005 (Q1)
225. C. Yu, L.-S. Yan, T. Luo, Y. Wang, Z. Pan, and A.E. Willner, “Width-tunable optical RZ pulse train generation based on four-wave mixing in highly-nonlinear fiber,” IEEE Photonics Technology Letters, vol. 17, no. 3, pp. 636-638, March 2005 (Q1)
226. Z. Pan, Y.W. Song, C. Yu, Y. Wang, and A.E. Willner, “Using sampled nonlinearly-chirped fiber Bragg gratings to achieve 40-Gbit/s tunable multi-channel dispersion compensation,” Optics Communications, vol. 241, no. 4-6, pp. 371-375, November 2004 (Q2)
227. C. Yu, Z. Pan, Y. Wang, Y.W. Song, D. Gurkan, M.C. Hauer, D. Starodubov and A.E. Willner, “Polarization-insensitive all-optical wavelength conversion using dispersion-shifted fiber with a fiber Bragg grating and a Faraday rotator mirror,” IEEE Photonics Technology Letters, vol. 16, no. 8, pp. 1906 - 1908, August 2004 (Q1)
228. S.M.R. Motaghian Nezam, Y.W. Song, C. Yu, J. McGeehan, A.B. Sahin, and A.E. Willner, “First-order PMD monitoring for NRZ data using RF clock regeneration techniques,” IEEE/OSA Journal of Lightwave Technology, vol. 22, no. 4, pp. 1086 - 1093, April 2004 (Q1)
229. C. Yu, Q. Yu, Z. Pan, A.B. Sahin, and A.E. Willner, “Optically compensating the PMD-induced RF power fading for single-sideband subcarrier-multiplexed systems,” IEEE Photonics Technology Letters, vol. 16, no. 1, pp. 341 –343, January 2004 (Q1)
230. Z. Pan, Y.W. Song, C. Yu, Y. Wang, Q. Yu, J. Popelek, H. Li, Y. Li, and A.E. Willner, “Tunable chromatic dispersion compensation in 40-Gb/s systems using nonlinearly chirped fiber Bragg gratings,” IEEE/OSA Journal of Lightwave Technology, vol. 20, no. 12, pp. 2239 –2246, December 2002 (Q1)
231. Y.W. Song, Z. Pan, S.M.R. Motaghian Nezam, C. Yu, Y. Wang, D. Starodubov, V. Grubsky, J.E. Rothenberg, J. Popelek, H. Li, Y. Li, R. Caldwell, R. Wilcox, and A.E. Willner, “Tunable dispersion slope compensation for 40-Gb/s WDM systems using broadband nonchannelized third-order chirped fiber Bragg gratings,” IEEE/OSA Journal of Lightwave Technology, vol. 20, no. 12, pp. 2259 –2266, December 2002 (Q1)
232. Z. Pan, Y. Wang, C. Yu, T. Luo, A.B. Sahin, Q. Yu, and A.E. Willner, “Intrabit polarization diversity modulation for the mitigation of PMD effects,” IEEE Photonics Technology Letters, vol. 14, no. 10, pp. 1466 –1468, October 2002 (Q1)
233. M.R. Wang, C. Yu, and A.J. Varela, “Efficient pseudo-nondiffracting beam shaping using a quasicontinuous-phase diffractive element,” Optical Engineering, vol. 40, no. 4, pp. 517-524, April 2001 (Q2)
234. C. Yu, M.R. Wang, A.J. Varela, and B. Chen, “High-density non-diffracting beam array for optical interconnection,” Optics Communications, vol. 177, no. 1-6, pp. 369-376, April 2000 (Q2)
235. X.H. Huang, M.R. Wang, and C. Yu, “High-efficiency flat-top beam shaper fabricated by a nonlithographic technique,” Optical Engineering, vol. 38, no. 2, pp. 208-213, February 1999 (Q2)
(374 Conference papers: 100+ keynote/invited, including OFC in USA)
236. C. Yu, “Vital signs monitoring based on interferometric optical fiber sensor,” International Photonics and OptoElectronics Meetings (POEM) 2022, pp. 1, Wuhan, China, December 18-20, 2022 (Invited)
237. C. Yu, “Vital signs monitoring based on interferometric optical fiber sensor with machine learning,” International Conference on Optoelectronic Materials, Technology and Application (OMTA) 2022, pp. 1, Fuzhou, China, December 14-16, 2022 (Invited)
238. Z. Yang, W. Yuan, and C. Yu, “Parallel-connected Fabry-Perot interferometers gas pressure sensor based on hollow core Bragg fiber and harmonic Vernier effect,” 7th Optoelectronic Global Conference (OGC) 2022, Paper G277118, pp. 1-5, Shenzhen, China, December 6-11, 2022
239. J. Qu, Z. Cheng, Z. Wang, and C. Yu, “Twelve-channel detection of spin and orbital angular momenta via dielectric metasurface,” Photonics Asia 2022, Paper 12314-20, pp. 1-6, Beijing, China, December 5-11, 2022
240. W. Yuan and C. Yu, “A ring core fiber sensor based on Mach-Zehnder interferometer for lateral pressure sensing,” Photonics Asia 2022, Paper 12314-44, pp. 1-6, Beijing, China, December 5-11, 2022
241. Z. Yang, W. Yuan, and C. Yu, “Separated-cavity Fabry-Perot interferometric gas pressure sensor based on hollow core Bragg fiber and Vernier effect,” Photonics Asia 2022, Paper 12314-41, pp. 1-6, Beijing, China, December 5-11, 2022
242. C. Yu, “Indoor Visible Light Communication and Positioning Cooperative Systems,” International Congress on Optics, Electronics, and Optoelectronics (ICOEO) 2022, Paper 1-4.6, pp. 1, Xiamen, China, December 2-4, 2022 (Invited)
243. Y. Li, Y. Liu, W. Yuan, and C. Yu, “Simultaneous Measurement of Axial Strain and Temperature Based on Twin-core Single-hole Fiber with Vernier effect,” Asia Communications and Photonics Conference and Exhibition (ACP) 2022, Paper 496, pp. 1-5, Shenzhen, China, November 4-8, 2022 (Tingye Li Best Paper Award)
244. S. Liu, X. Du, and C. Yu, “Maximum likelihood estimation of polarization states in coherent optical communications,” Asia Communications and Photonics Conference and Exhibition (ACP) 2022, Paper 4769, pp. 1-4, Shenzhen, China, November 4-8, 2022
245. X. Long, Z. Huang, H. Luo, C. Yu, H Zhao, and Y Liu, “High-resolution on-chip Fourier transform spectrometer based on MZI array and PCSBL reconstruction algorithm,” Asia Communications and Photonics Conference and Exhibition (ACP) 2022, Paper 5075, pp. 1-5, Shenzhen, China, November 4-8, 2022
246. A.A. Noman, J.N. Dash, X. Cheng, and C. Yu, “Optical fiber based Nitrate sensor using Mach-Zehnder interferometer,” IEEE TENCON 2022, Paper 8963, pp. 1-3, Hong Kong, November 1-4, 2022
247. J. Qu, Z. Cheng, Z. Wang, and C. Yu, “Perfect vortex beam generators enabled by fiber-tip metasurface,” IEEE TENCON 2022, Paper 6110, pp. 1-3, Hong Kong, November 1-4, 2022
248. Z. Cheng, J. Qu, and C. Yu, “Design of a 980/1550-nm metasurface beam splitter and its application for EDFA,” IEEE TENCON 2022, Paper 6049, pp. 1-2, Hong Kong, November 1-4, 2022
249. W. Lyu, Y. Yan, J. Yu, S. Chen, C. Yu, C. Lu, and A.P.T. Lau, “Measurement of wrist pulse using fiber optic MZI for analysis of heart rate and respiration rate,” IEEE TENCON 2022, Paper 5728, pp. 1-3, Hong Kong, November 1-4, 2022
250. Z. Wang, Y. Liang, M. Cui, J. Qu, Z. Cheng, and C. Yu, “Bound states in the continuum in plasmonic metasurfaces for enhancing graphene-assisted light modulation,” IEEE TENCON 2022, Paper 4786, pp. 1-3, Hong Kong, November 1-4, 2022
251. W. Mo, J. Zhou, H. Wang, W. Liu, D. Guo, and C. Yu, “Adaptive frequency-domain power optimization for NOMA-SCM passive optical networks,” IEEE TENCON 2022, Paper 4551, pp. 1-5, Hong Kong, November 1-4, 2022
252. J. Zhou, J. Lu, C. Yu, and C. Lu, “Analysis of capacity upgrading in L-band using power control strategy,” IEEE TENCON 2022, Paper 2883, pp. 1-4, Hong Kong, November 1-4, 2022
253. C. Yu, “Optical sensing system based on ring-core fiber,” 20th International Conference on Optical Communications and Networks (ICOCN) 2022, Paper Sa3D.1, pp. 1, Shenzhen, China, August 12-15, 2021 (Invited)
254. Y. Xu, X. Du, S. Liu and C. Yu, “Number-theoretic net-based particle filtering for linear phase noise tracking in CO-OFDM systems,” 20th International Conference on Optical Communications and Networks (ICOCN) 2022, Paper Su1B.5, pp. 1-3, Shenzhen, China, August 12-15, 2021
255. H. Wang, W. Mo, G. Liu, W. Liu, D. Guo, C. Yu, and J. Zhou, “Performance Comparison of OOK, PAM4 and DMT for 50Gb/s Passive Optical Networks,” IEEE/CIC International Conference on Communications in China (ICCC) 2022, pp. 821-825, Foshan, China, August 11-13, 2022
256. C. Yu, “Joint multiple-parameters monitoring enabled by deep learning algorithms and cost-effective devices,” 14th International Conference on Advanced Infocomm Technology (ICAIT) 2022, Paper 11A.1, pp. 1, Chongqing, China, July 8-11, 2020 (Invited)
257. H. Wang, J. Zhou, J. Wei, W. Mo, Y. Feng, W. Liu, C. Yu, and Z. Li, “Record Capacity-Reach of C band IM/DD Optical Systems over Dispersion-Uncompensated Links,” Conference on Lasers and Electro-Optics (CLEO) 2022, Paper SM2J.6, pp.1 -2, San Jose, CA, USA, May 15-20, 2022
258. J. Zhou, J. He, X. Lu, G. Wang, Y. Bo, G. Liu, Y. Huang, L. Li, H. Wang, W. Mo, W. Liu C. Yu, and Z. Li, “First 100Gb/s fine-granularity flexible-rate PON based on discrete multi-tone and PAPR optimization,” Conference on Optical Fiber Communication (OFC) 2022, Paper Th2A.23, pp. 1-3, San Diego, CA, USA, March 5-9, 2022
259. R. Wang, L. Liu, S. Zhang, and C. Yu, “A new channel estimation strategy in intelligent reflecting surface assisted networks,” IEEE Global Communications Conference (GLOBECOM) 2021, Paper CT6.1, pp. 1-6, Madrid, Spain, December 7-11, 2021
260. S. Liu, X. Du, P. Y. Kam and C. Yu, “Bayesian filter-based dynamic joint estimation of carrier frequency offset and linear phase noise for CO-OFDM systems,” International Conference on Optical Instrument and Technology (OIT) 2021, Paper OIT200-3, pp.1-1, Chengdu, China, November 12-14, 2021 (Invited)
261. C. Yu, “Mach-Zehnder interferometer based on ring-core fiber,” International Photonics and OptoElectronics Meetings (POEM) 2021, Paper OFM1A.1, pp. 1, Wuhan, China, November 9-11, 2021 (Invited)
262. R. Wang, X. Du, C. Yu, and P. Kam, “Carrier frequency offset estimation by resampling-free uniform particle filter for CO-OFDM,” Asia Communications and Photonics Conference and Exhibition (ACP) 2021, Paper T4A.106, pp. 1-3, Beijing, China, October 24-27, 2021
263. X. Yang, Z. Jiang, X. You, J. Chen, C. Yu, Y. Li, M. Gao, and G. Shen, “A 3D visible light positioning and orienteering scheme using two LEDs and a pair of photo-detectors,” Asia Communications and Photonics Conference and Exhibition (ACP) 2021, Paper W2B.5, pp. 1-3, Beijing, China, October 24-27, 2021
264. W. Xu, W. Sun, B. Dong, N. Zhang, C. Yu, and C.C. Yu, “Multi-User multi-channel BCG signal acquisition and demodulation system using flexible interferometric sensor,” Asia Communications and Photonics Conference and Exhibition (ACP) 2021, Paper T4A.106, pp. 1-3, Beijing, China, October 24-27, 2021
265. Y. Liu, Z. Yang, and C. Yu, “High-sensitivity fiber interference strain sensor based on polarized mode coupling and TFBG,” Photonics Asia 2021, Paper 11894-36, pp. 1-6, Nantong, China, October 10-12, 2021
266. X. Jiang, W. Xu, C.C. Yu, W. Sun, B. Dong, C. Yu, W. Zhao, and Y. Wang, “SAHS detection using contact-free MZI-BCG sensor,” Photonics Asia 2021, Paper 11894-35, pp. 1-6, Nantong, China, October 10-12, 2021
267. G. Zhu, W. Xu, C.C. Yu, W. Sun, B. Dong, C. Yu, W. Zhao, and Y. Wang, “DNN-assisted activity classification using fiber interferometer sensor,” Photonics Asia 2021, Paper 11894-30, pp. 1-6, Nantong, China, October 10-12, 2021
268. C. Yu, H. Luo, Z. Huang, C. Xu, and A.P.T. Lau, “Design and spectral reconstruction assisted by intelligent algorithms for high-resolution Fourier transform spectrometer,” 27th Wireless and Optical Communications Conference (WOCC) 2021, Paper O3.3, pp. 1-3, Taipei, Taiwan, October 7-8, 2021 (Invited)
269. C. Yu and W. Yuan, “Optical sensor based on ring core fiber,” 6th Optoelectronic Global Conference (OGC) 2021, Paper S23.3, pp. 1, Shenzhen, China, September 15-18, 2021 (Invited)
270. C. Yu, “Vital signs monitoring based on optical fiber interferometer with machine learning,” 18th International Conference on Optical Communications and Networks (ICOCN) 2021, Paper T3A.1, pp. 1, Qufu, China, August 23-27, 2021 (Invited)
271. J. Yu, F. Tan, and C. Yu, “Mode dispersion measurement of few-mode fiber utilizing S2 technique,” OptoElectronics and Communications Conference (OECC) 2021, Paper W1F.3, pp. 1-3, Hong Kong, July 3-7, 2021
272. W. Lyu, S. Chen, F. Tan, and C. Yu, “Non-invasive heart rate variability measurement during sleep based on fiber optic sensor,” OptoElectronics and Communications Conference (OECC) 2021, Paper JS3F.2, pp. 1-3, Hong Kong, July 3-7, 2021
273. Z. Liu, X. You, Z. Wei, Z. Wang, M. Li, J. Chen, H. Y. Fu, and C. Yu, “Asynchronous visible light positioning based on orthogonal pseudo-random code,” OptoElectronics and Communications Conference (OECC) 2021, Paper S3B.3, pp. 1-3, Hong Kong, July 3-7, 2021
274. X. Du, X. Fu, Q. Wang, P. Kam, and C. Yu, “Performance analysis of matched filter-based carrier frequency offset estimation methods for CO-OFDM,” OptoElectronics and Communications Conference (OECC) 2021, Paper T3B.3, pp. 1-3, Hong Kong, July 3-7, 2021
275. X. Chen, W. Xu, B. Dong, C. Yu, W. Zhao, Y. Wang, and W. Sun, “Continuous blood pressure monitoring based on wearable optical fiber interferometry wristband,” OptoElectronics and Communications Conference (OECC) 2021, Paper JS3F.12, pp. 1-3, Hong Kong, July 3-7, 2021
276. J. Qu, Q. Zhao, and C. Yu, “Single-mode fiber metalenses based on dielectric nanopillars,” OptoElectronics and Communications Conference (OECC) 2021, Paper M4D.3, pp. 1-3, Hong Kong, July 3-7, 2021
277. W. Xu, S. Han, W. Sun, B. Dong, C. Yu, W. Zhao, and Y. Wang, “Unobtrusive sleep-wake discrimination based on arched carbon fiber structure aided highly sensitive under mattress MZI-BCG sensor and SVM,” OptoElectronics and Communications Conference (OECC) 2021, Paper JS3F.15, pp. 1-3, Hong Kong, July 3-7, 2021
278. Z. Wang, J. Tu, Z. Li, C. Yu, and C. Lu, “Design of compact multi-ring-core few-mode fiber for dense space-division multiplexing in C+L band,” OptoElectronics and Communications Conference (OECC) 2021, Paper M4C.4, pp. 1-3, Hong Kong, July 3-7, 2021
279. C. Xiong, J. Zhou, W. Liang, H. Wang, C. Yu, W. Liu, H. Huang, and Z. Li, “C-Band 100gbit/s non-orthogonal discrete multitone over dispersion-uncompensated links,” OptoElectronics and Communications Conference (OECC) 2021, Paper M3A.4, pp. 1-3, Hong Kong, July 3-7, 2021
280. H. Luo, Z. Huang, and C. Yu, “Optimization on integrated Fourier transform spectrum analyzer for optical performance monitoring,” OptoElectronics and Communications Conference (OECC) 2021, Paper T1B.2, pp. 1-3, Hong Kong, July 3-7, 2021
281. A.A. Noman, J.N. Dash, X. Cheng, and C. Yu, “Fiber optic lead ion (Pb2+) sensor using chitosan diaphragm based Fabry-Pérot interferometer,” OptoElectronics and Communications Conference (OECC) 2021, Paper W3D.2, pp. 1-3, Hong Kong, July 3-7, 2021
282. H. Zeng, W. Xu, B. Dong, C. Yu, W. Zhao, Y. Wang, and W. Sun, “Non-invasive highly sensitive under mattress vital signs monitoring based on fiber Sagnac loop,” OptoElectronics and Communications Conference (OECC) 2021, Paper JS3F.14, pp. 1-3, Hong Kong, July 3-7, 2021
283. S. Chen, F. Tan, W. Lyu, and C. Yu, “Ballistocardiography reconstruction based on optical fiber sensor using deep learning algorithm,” OptoElectronics and Communications Conference (OECC) 2021, Paper T3F.5, pp. 1-3, Hong Kong, July 3-7, 2021
284. J. Zhou, J. Lu, C. Lu, and C. Yu, “The impact of parameter uncertainty on QoT estimation using GN-based analytical model,” OptoElectronics and Communications Conference (OECC) 2021, Paper M4A.2, pp. 1-3, Hong Kong, July 3-7, 2021
285. Y. Zhang, Z. Wei, Z. Zhao, Z. Liu, Z. Wang, M. Li, C. Yu, and H.Y. Fu, “Real-time long-distance visible light communication and video transmission over 100-meter POF,” OptoElectronics and Communications Conference (OECC) 2021, Paper T2C.6, pp. 1-3, Hong Kong, July 3-7, 2021
286. H. Zeng, W. Xu, B. Dong, C. Yu, W. Zhao, Y. Wang, and W. Sun, “Beat-to-beat heart rate estimation from MZI-BCG signal based on hierarchical clustering,” OptoElectronics and Communications Conference (OECC) 2021, Paper JS3F.13, pp. 1-3, Hong Kong, July 3-7, 2021
287. Z. Yang, Y. Liu, Q. Zhao, and C. Yu, “Piecewise temperature sensing with fiber Bragg grating inscribed Erbium-doped fiber,” OptoElectronics and Communications Conference (OECC) 2021, Paper W3D.5, pp. 1-3, Hong Kong, July 3-7, 2021
288. Q. Wang, Z. Quan, X. Du, S. Bi, P. Kam, and C. Yu, “Optimized M-APSK constellation design based on error rate formulation in laser phase noise,” OptoElectronics and Communications Conference (OECC) 2021, Paper W1B.3, pp. 1-3, Hong Kong, July 3-7, 2021
289. Y. Mao, I. Ashry, B. Wang, Y. Al-Fehaid, A. Al-Shawaf, T. Ng, C. Yu, and B. Ooi, “Monitoring the red palm weevil infestation using machine learning and optical sensing,” Conference on Optical Fiber Communication (OFC) 2021, Paper Tu6C.2, pp. 1-3, San Francisco, CA, USA, June 6-10, 2021
290. Q. Zhao, Q. Hao, J. Qu, Z. Yang, Y. Liu, C. Yu, and G. Peng, “Thermal quenching induced luminescence enhancement of Bismuth/Erbium co-doped fiber (BEDF) under 830 pumping,” Conference on Optical Fiber Communication (OFC) 2021, Paper Tu1E.2, pp. 1-3, San Francisco, CA, USA, June 6-10, 2021
291. Q. Zhao, Q. Hao, J. Qu, Z. Yang, Y. Liu, G. Peng, and C. Yu, “Enhanced near infrared (NIR) luminescence of Bismuth-doped phosphosilicate fiber under liquid Nitrogen cooling,” Conference on Lasers and Electro-Optics (CLEO) 2021, Paper STu1C.5, pp. 1-2, San Jose, CA, USA, May 9-14, 2021
292. C. Yu, Z. Liu, X. You, and J. Chen, “Visible light communication for beyond 5G system,” Asia Communications and Photonics Conference and Exhibition (ACP) 2020, Paper Workshop2.1, pp. 1-1, Beijing, China, October 24-27, 2020 (Invited)
293. J. Zhang, Y. He, F. Tan, S. Chen, W. Lyu, F. Yang, and C. Yu, “IJK complex detection within BCG signal based on multi-core fiber sensors,” Asia Communications and Photonics Conference and Exhibition (ACP) 2020, Paper S3G.3, pp. 1-3, Beijing, China, October 24-27, 2020 (Invited)
294. X. You, Z. Liu, J. Chen, M. Gao, C. Yu, and G. Shen, “Location-aware time domain hybrid modulation for mobile visible light communication,” Asia Communications and Photonics Conference and Exhibition (ACP) 2020, Paper S4B.4, pp. 1-3, Beijing, China, October 24-27, 2020
295. X. Du, C. Yu, and P.Y. Kam, “Simplified blind carrier frequency offset estimation algorithm based on the power of zero-subcarriers for CO-OFDM systems,” Asia Communications and Photonics Conference and Exhibition (ACP) 2020, Paper M4A.244, pp. 1-3, Beijing, China, October 24-27, 2020
296. X. You, Z. Liu, M. Gao, J. Chen, C. Yu, and G. Shen, “Indoor three-dimensional optical wireless positioning and orienteering using steerable line lasers,” Asia Communications and Photonics Conference and Exhibition (ACP) 2020, Paper M4A.226, pp. 1-3, Beijing, China, October 24-27, 2020
297. G. Yang, B. Wang, L. Wang, Z. Cheng, C. Yu, C.C.K. Chan, L. Li, M. Tang, D. Liu, “Optimization of 2D-BM3D denoising for long-range Brillouin optical time domain analysis,” Asia Communications and Photonics Conference and Exhibition (ACP) 2020, Paper M4A.125, pp. 1-3, Beijing, China, October 24-27, 2020
298. F. Yang, W. Lyu, C. Pan, S. Yang, F. Tan, S. Chen, and C. Yu, “Contactless vital signs monitoring based on optical fiber Mach-Zehnder interferometer aided with passive homodyne demodulation methods,” Asia Communications and Photonics Conference and Exhibition (ACP) 2020, Paper M4A.79, pp. 1-3, Beijing, China, October 24-27, 2020
299. H. Luo, Z. Huang, X. Du, and C. Yu, “Effect of bandwidth of direct detection receiver on multiparameter optical performance monitoring,” Photonics Asia 2020, Paper 11555-17, pp. 1-6, Beijing, China, October 11-16, 2020 (Invited)
300. M. Xue, S. Pan, and C. Yu, “Ultrahigh-resolution optoelectronic vector analysis utilizing photonics-based frequency conversion,” Photonics Asia 2020, Paper 11547-21, pp. 1-1, Beijing, China, October 11-16, 2020 (Invited)
301. L. Wang, B. Wang, and C. Yu, “Advanced image and video denoising techniques for BOTDA system under both static and slowly varying environment,” Photonics Asia 2020, Paper 11547-2, pp. 1-1, Beijing, China, October 11-16, 2020 (Invited)
302. X. Du, H. Luo, and C. Yu, “A simplified matched filter-based approach for carrier frequency offset estimation in CO-OFDM,” Photonics Asia 2020, Paper 11547-8, pp. 1-7, Beijing, China, October 11-16, 2020
303. S. Han, W. Xu, S. You, B. Dong, C. Yu, W. Zhao, and Y. Wang, “Highly sensitive smart cushion embedded with SMS structure for contactless vital signs and activity monitoring,” Photonics Asia 2020, Paper 11547-5, pp. 1-6, Beijing, China, October 11-16, 2020
304. Y. Liu, W. Xu, and C. Yu, “BCG signal processing based on advanced LMS filter for optical fiber monitor,” Photonics Asia 2020, Paper 11547-60, pp. 1-6, Beijing, China, October 11-16, 2020
305. S. Chen, F. Tan, W. Lyu, and C. Yu, “A ballistocardiography monitor based on optical fiber interferometer,” Photonics Asia 2020, Paper 11547-58, pp. 1-6, Beijing, China, October 11-16, 2020
306. S. Han, W. Xu, S. You, F. Tan, B. Dong, C. Yu, W. Zhao, and Y. Wang, “Investigation on smart cushion based on sfs structure and its application in physiological and activity”, OptoElectronics and Communications Conference (OECC) 2020, Paper VP102, pp. 1-3, Taipei, Taiwan, October 4-8, 2020
307. C. Yu, F. Tan, S. Chen, W. Lyu, X. Zhu, and J. Luo, “Bionic palpation based on optical fiber sensor,” 5th Optoelectronic Global Conference (OGC) 2020, pp. 1, Shenzhen, China, September 7-11, 2020 (Invited)
308. C. Yu, Z. Liu, X. You, and J. Chen, “Indoor visible light communication systems with dimming control,” 8th International Conference on Information, Communication and Networks (ICICN) 2020, Paper T3.1, pp. 1-1, Xi’an, China, August 22-25, 2020 (Invited)
309. Z. Liu, X. You, and C. Yu, “Visible light positioning based on frequency domain transfer function,” Optical Communication and Network Conference 2020, Paper 00035, pp. 1-1, online, July 24-25, 2020 (Best Poster Award)
310. C. Yu, X. You, Z. Liu, and J. Chen, “Conceptual design for indoor visible light communication and positioning cooperative systems,” 22nd International Conference on Transparent Optical Networks (ICTON) 2020, Paper OWIII.2, pp. 1-4, Bari, Italy, July 19-23, 2020 (Invited)
311. W. Wang, Y. Liu, X. Du, Y. Yan, C. Yu, and X. Chen, “A novel demodulation method of fiber Bragg grating sensor array based on wavelength-to-time mapping and multiloop optoelectronic oscillator,” Conference on Optical Fiber Communication (OFC) 2020, paper Th3F.2, pp. 1-3, San Diego, CA, USA, March 8-12, 2020
312. C. Yu, “Smart sensing system based on optical fiber interferometer with signal processing,” International Photonics and OptoElectronics Meetings (POEM) 2019, Paper 3265380, pp. 1, Wuhan, China, November 11-14, 2019 (Invited)
313. B. Zhu, M. Xue, C. Yu, and S. Pan, “Broadband and high-precision instantaneous frequency measurement using linearly frequency-modulated waveform and pulse compression processing,” Asia Communications and Photonics Conference and Exhibition (ACP) 2019, Paper T1E.4, pp. 1-3, Chengdu, China, November 2-5, 2019
314. S. Han, W. Xu, S. You, B. Dong, C. Yu, and W. Zhao, “Principle component analysis and random forest based all-fiber activity monitoring,” Asia Communications and Photonics Conference and Exhibition (ACP) 2019, Paper S4G.4, pp. 1-3, Chengdu, China, November 2-5, 2019
315. B. Wang, L. Wang, C. Yu, and C. Lu, “Video-BM3D denoising for BOTDA sensing systems,” Asia Communications and Photonics Conference and Exhibition (ACP) 2019, Paper M3A.2, pp. 1-3, Chengdu, China, November 2-5, 2019
316. Z. Liu, X. You, J. Chen, and C. Yu, “Two-LED indoor visible light positioning method based on channel estimation with a mirror,” Asia Communications and Photonics Conference and Exhibition (ACP) 2019, Paper M4A.78, pp. 1-3, Chengdu, China, November 2-5, 2019
317. J. Zhou, L. Liu, F. Li, H. Wang, C. Yu, W. Liu, X. Yi, and Z. Li, “FD-DD-FTN algorithm to compensate high-frequency distortion and resist DAC clock leakage for PAM8 optical interconnects,” Asia Communications and Photonics Conference and Exhibition (ACP) 2019, Paper M4A.113, pp. 1-3, Chengdu, China, November 2-5, 2019
318. W. Lyu, F. Tan, S. Chen, and C. Yu, “Myocardial contractility assessment using fiber optic sensors,” Asia Communications and Photonics Conference and Exhibition (ACP) 2019, Paper M4A.152, pp. 1-3, Chengdu, China, November 2-5, 2019
319. C. Yu, “Optical sensor system based on multi-core / few-mode fiber with signal processing,” 11th International Conference on Advanced Infocomm Technology (ICAIT) 2019, Paper 27, pp. 1, Jinan, China, October 18-20, 2019 (Invited)
320. C. Yu, “Non-invasive health monitoring system based on optical fiber interferometer,” 4th Optoelectronic Global Conference (OGC) 2019, Paper S2-B.1, pp. 1, Shenzhen, China, September 3-6, 2019 (Invited)
321. C. Yu, “Non-invasive smart health monitoring system based on multi-core fiber,” 18th International Conference on Optical Communications and Networks (ICOCN) 2019, Paper T3F.1, pp. 1, Huangshan, China, August 5-8, 2019 (Invited)
322. Y. Zhong, J. Chen, X. You, and C. Yu, “Multi-path channel estimation in mobile visible light communication based on decision feedback,” 18th International Conference on Optical Communications and Networks (ICOCN) 2019, Paper T2A.4, pp. 1, Huangshan, China, August 5-8, 2019 (Invited)
323. J. Wang, W. Xu, B. Dong, C. Yu, and S. Han, “Fiber-optic MZI activity monitoring based on RLS algorithm,” 18th International Conference on Optical Communications and Networks (ICOCN) 2019, Paper P1.48, pp. 1-3, Huangshan, China, August 5-8, 2019
324. W. Fang, J. Chen, X. You, and C. Yu, “Study of NLOS effect on indoor visible light positioning in different room sizes,” 18th International Conference on Optical Communications and Networks (ICOCN) 2019, Paper P1.50, pp. 1-3, Huangshan, China, August 5-8, 2019
325. W. Wang, Y. Liu, Y. Li, C. Yu and X. Chen, “Strong fiber Bragg grating sensor based on optoelectrical oscillation for ultra-fast and ultra-stable position-finding and measurement,” 18th International Conference on Optical Communications and Networks (ICOCN) 2019, Paper P3.71, pp. 1-3, Huangshan, China, August 5-8, 2019
326. C. Yu, F. Tan, Z. Liu, S. Chen, and Z. Huang, “Application of seven core fiber-based sensor on torsion angle measurement and vital signs monitoring,” 21th International Conference on Transparent Optical Networks (ICTON) 2019, Paper We.E1.1, pp. 1-4, Angers, France, July 9-13, 2019 (Invited)
327. F. Tan, Z. Liu, S. Chen, and C. Yu, “Vital signs monitoring using twin core fiber-based sensor”, OptoElectronics and Communications Conference (OECC) 2019, Paper WC3-2, pp. 1-3, Fukuoka, Japan, July 7-11, 2019
328. J. Qu, Y. Shen, W. Xu, F. Tan, C. Yu, and C. C. Yu, “Non-invasive vital signs monitoring based on polarization maintaining fiber and Sagnac interferometer”, OptoElectronics and Communications Conference (OECC) 2019, Paper WC3-3, pp. 1-3, Fukuoka, Japan, July 7-11, 2019
329. S. Dong, F. Tan, B. Dong, C. Yu, and Y. Guo, “High sensitivity curvature sensor based on seven core fiber”, OptoElectronics and Communications Conference (OECC) 2019, Paper TuC1-4, pp. 1-3, Fukuoka, Japan, July 7-11, 2019
330. X. You, J. Chen, Y. Zhong, S. Chen, and C. Yu, “Efficient Dimming Control with Time Domain Hybrid Modulation in Indoor Hybrid Visible Light/ Infrared Communication Systems”, OptoElectronics and Communications Conference (OECC) 2019, Paper ThE2-2, pp. 1-3, Fukuoka, Japan, July 7-11, 2019
331. J. Tu, Z. Liu, S. Gao, Z. Wang, J. Zhang, B. Zhang, J. Li, W. Liu, H.Y. Tam, Z. Li, C. Yu, and C. Lu, “Design and fabrication of negative curvature ring-core fiber supporting orbital angular momentum modes,” 9th International Multidisciplinary Conference on Optofluidics (IMCO) 2019, Paper 2.6.3, pp. 1, Hong Kong, June 14-17, 2019
332. H. Luo and C. Yu, “Optical performance monitoring by using convolutional neural network with asynchronous delay tap sampling,” 9th International Multidisciplinary Conference on Optofluidics (IMCO) 2019, Paper P-216, pp. 1, Hong Kong, June 14-17, 2019
333. Y. Liu, X. Cheng, C. Yu, and H.Y. Tam, “A large-scale flexible distance sensor based on dye-doped polymer optical fiber,” 9th International Multidisciplinary Conference on Optofluidics (IMCO) 2019, Paper P-215, pp. 1, Hong Kong, June 14-17, 2019
334. S. Dong, F. Tan, B. Dong, Yu Changyuan, C. Yu, and Y. Guo, “Simultaneous measurement of curvature and temperature based on seven core fiber cascaded with fiber Bragg grating,” 9th International Multidisciplinary Conference on Optofluidics (IMCO) 2019, Paper P-214, pp. 1, Hong Kong, June 14-17, 2019
335. Z. Wang, H. Qian, J. Tu, Z. Liu, C. Yu, and C. Lu, “Mode filtering by core-cladding mode coupling in hollow-core conjoined-tube antiresonant fiber,” 9th International Multidisciplinary Conference on Optofluidics (IMCO) 2019, Paper P-213, pp. 1, Hong Kong, June 14-17, 2019
336. W. Yuan, H. Qian, Y. Liu, Z. Wang, and C. Yu, “Highly sensitive temperature sensor based on carbon nanotube-assisted mismatching single-mode fiber structure,” 9th International Multidisciplinary Conference on Optofluidics (IMCO) 2019, Paper P-212, pp. 1, Hong Kong, June 14-17, 2019
337. C. Yu, W. Xu, Y. Shen, S. Bian, C.C. Yu, and S. You, “Smart multi-core and few-mode optical fiber sensor systems,” 28th Wireless and Optical Communications Conference (WOCC) 2019, Paper O2, pp. 1, Beijing, China, May 9-10, 2019 (Keynote)
338. H. Wang, J. Zhou, F. Li, L. Liu, C. Yu, X. Yi, X. Huang, W. Liu, and Z. Li, “Variable-step DD-FTN algorithm for PAM8-based short-reach optical interconnects,” Conference on Lasers and Electro-Optics (CLEO) 2019, Paper SW4O.3, pp. 1-2, San Jose, CA, USA, May 5-10, 2019
339. J. Zhou, M. Guo, Y. Qiao, H. Wang, L. Liu, W. Liu, C. Yu, J. Li, and Z. Li, “Digital Signal Processing for Faster-than-Nyquist Non-Orthogonal Systems: An Overview,” 26th International Conference on Telecommunications (ICT) 2019, pp. 295-299, Hanoi, Vietnam, April 8-10, 2019
340. H. Ren, Z. Wang, S. Han, J. Chen, C. Yu, C. Xu, and J. Yu, “Performance Improvement of M-QAM OFDM-NOMA Visible Light Communication Systems,” IEEE Global Communications Conference (GLOBECOM) 2018, Paper ONS-1.5, pp. 1-6, Abu Dhabi, UAE, December 9-13, 2018
341. Q. Zeng, W. Xu, Y. Shen, C. Yu, and F. Tan, “Investigation on fiber-optic curvature sensor based on SMF-FMF-SMF structure with up-taper fusion,” 17th International Conference on Optical Communications and Networks (ICOCN) 2018, Paper P103, pp. 1-4, Zhuhai, China, November 16-19, 2018
342. S. Chen, Z. Huang, F. Tan, T. Yang, J. Tu, and C. Yu, “Non-invasive smart monitoring system based on multi-core fiber optic interferometers,” Asia Communications and Photonics Conference and Exhibition (ACP) 2018, Paper 220, pp. 1-3, Hangzhou, China, October 26-29, 2018 (Best Poster Award)
343. S. Chen, Z. Huang, F. Tan, T. Yang, J. Tu, and C. Yu, “Vital signs monitoring using Few-mode fiber-based sensors,” Photonics Asia 2018, Paper 10814-25, pp. 1-7, Beijing, China, October 11-13, 2018
344. S. Dong, B. Dong, C. Yu, and Y. Guo, “High sensitivity curvature sensor with a dual core photonic crystal fiber interferometer,” 26th International Conference on Optical Fiber Sensors (OFS) 2018, Paper WF104, pp. 1-4, Lausanne, Switzerland, September 24-28, 2018
345. B. Wang, N. Guo, L. Wang, C. Yu, and C. Lu, “Denoising and robust temperature extraction for BOTDA systems based on denoising autoencoder and DNN,” 26th International Conference on Optical Fiber Sensors (OFS) 2018, Paper WF29, pp. 1-4, Lausanne, Switzerland, September 24-28, 2018
346. C. Yu, Z. Xu, and X. Du, “Timing and frequency synchronization in coherent optical OFDM systems with one training symbol,” The 10th International Conference on Advanced Infocomm Technology (ICAIT) 2018, Paper A002-10, pp. 1, Stockholm, Sweden, August 12-15, 2018 (Invited)
347. S. Bian, W. Xu, C. Yu, N. Zhang, and C. Yu, “Fiber-optic respiration sensor based on modal interference in few-mode fiber,” 8th International Multidisciplinary Conference on Optofluidics (IMCO) 2018, Paper 017526, pp. 1-2, Shanghai, China, August 5-8, 2018
348. Y. Xu, Z. Wang, J. Sun, J. Chen, S. Han, C. Yu, and J. Yu, “Improvement of positioning accuracy in visible light positioning system using orthogonal frequency division multiple access,” 13th Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR) 2018, Paper F2D.7, pp. 1-2, Hong Kong, July 29-August 3, 2018
349. C. Hao, C. Yu, and C.W. Qiu, “Broadband achromatic aplanatic flat doublet in mid-infrared,” 13th Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR) 2018, Paper F1F.6, pp. 1-2, Hong Kong, July 29-August 3, 2018
350. Q. Zeng, W. Xu, C. Yu, N. Zhang, and C.C. Yu, “Fiber-optic activity monitoring with machine learning,” 13th Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR) 2018, Paper W4K.5, pp. 1-2, Hong Kong, July 29-August 3, 2018
351. Y. Li, M. Wu, X. Du, G. Mohan, C. Yu, and P.Y. Kam, “Maximum-likelihood Mth power carrier phase estimation for coherent optical communication,” 13th Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR) 2018, Paper W4I.6, pp. 1-2, Hong Kong, July 29-August 3, 2018
352. Y. Liu, X. Cheng, C. Yu, and H.Y. Tam, “Ultrahigh sensitivity low-cost optical fiber temperature sensors,” 13th Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR) 2018, Paper W4L.4, pp. 1-2, Hong Kong, July 29-August 3, 2018
353. Y. Shen, W. Xu, N. Zhang, S. You, C. Yu, and C.C. Yu, “Fiber optic non-wearable respiratory monitoring based on in-line modal interferometer,” 13th Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR) 2018, Paper W2L.5, pp. 1-2, Hong Kong, July 29-August 3, 2018
354. J. Huo, X. Zhou, K. Zhong, J. Tu, H. Wei, J. Yuan, K. Long, C. Yu, A.P.T. Lau, and C. Lu, “Comparison for 100 Gb/s PDM-DD short reach optical communication system transmission performance with PAM4, CAP16 and DMT,” 13th Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR) 2018, Paper Tu2I.3, pp. 1-2, Hong Kong, July 29-August 3, 2018
355. X. Zhou, J. Huo, B. Yu, C. Guo, C. Yu, A.P.T. Lau, and C. Lu, “Advanced signal processing techniques for direct detected short reach systems,” OptoElectronics and Communications Conference (OECC) 2018, Paper 3B1-1, pp. 1, Jeju, Korea, July 2-6, 2018 (Invited)
356. S. Chen, J. Shen, X. You, J. Chen, and C. Yu, “A dynamic cryptography door lock system based on visible light communication,” OptoElectronics and Communications Conference (OECC) 2018, Paper P17, pp. 1-2, Jeju, Korea, July 2-6, 2018
357. X. You, J. Chen, and C. Yu, “Cold-start of decision-aided maximum likelihood in coherent optical receivers,” OptoElectronics and Communications Conference (OECC) 2018, Paper 6D2-2, pp. 1-2, Jeju, Korea, July 2-6, 2018
358. C. Yu, S. Bian, Y. Shen, W. Xu, and C.C. Yu, “Non-invasive respiration monitoring system based on smart sensor mat embedded with optical fiber interferometer,” 20th International Conference on Transparent Optical Networks (ICTON) 2018, Paper Tu.C4.4, pp. 1-4, Bucharest, Romania, July 1-5, 2018 (Invited)
359. C. Hao, C. Yu, and C.W. Qiu, “Broadband achromatic aplanatic flat doublet in mid-infrared,” Conference on Lasers and Electro-Optics (CLEO) 2018, Paper F1F.6, pp. 1-2, San Jose, CA, USA, May 15-17, 2018
360. C. Yu, W. Xu, Y. Shen, S. Bian, C.C. Yu, and S. You, “Non-invasive vital signs monitoring system based on smart sensor mat embedded with optical fiber interferometer,” 27th Wireless and Optical Communications Conference (WOCC) 2018, Paper E.2, pp. 1-3, Hualien, Taiwan, April 30-May 1, 2018 (Invited)
361. C. Yu, “Optical fiber sensor based on cascaded miniaturized modal interferometers,” International Conference on Nano/Micro Engineered and Molecular Systems (NEMS) 2018, Paper 1940, pp. 1, Singapore, April 22-26, 2018 (Invited)
362. B. Wang, L. Wang, C. Yu, and C. Lu, “Simultaneous temperature and strain measurement using deep neural networks for BOTDA sensing system,” Conference on Optical Fiber Communication (OFC) 2018, paper Th2A.66, pp. 1-3, San Diego, CA, USA, March 11-15, 2018
363. F. Tan, Z. Liu, J. Tu, C. Yu, C. Lu, and H.Y. Tam, “Stable torsion sensor with tunable sensitivity and rotation direction discrimination based on a tapered trench-assisted multi core fiber,” Conference on Optical Fiber Communication (OFC) 2018, paper W1K.6, pp. 1-3, San Diego, CA, USA, March 11-15, 2018
364. J. Chen, X. You, Z. Wang, and C. Yu, “Data transmission with dimming control in indoor visible light communication systems,” Asia Communications and Photonics Conference and Exhibition (ACP) 2017, Paper Workshop2.6, pp. 1-2, Guangzhou, China, November 10-13, 2017 (Invited)
365. X. You, J. Chen, and C. Yu, “Location-based equalization for OFDM indoor visible light communication systems” Asia Communications and Photonics Conference and Exhibition (ACP) 2017, Paper M1G.5, pp. 1-3, Guangzhou, China, November 10-13, 2017
366. C. Yu, Z. Xu, and X. Du, “Joint timing and frequency synchronization in coherent optical OFDM systems,” International Conference on Optical Instrument and Technology (OIT) 2017, Paper OIT200-57, pp. 1, Beijing, China, October 28-30, 2017 (Invited)
367. C. Lu, K. Zhong, X. Zhou, J. Huo, C. Yu, and A.P.T. Lau, “Signal Processing and Device Technology for Future Short Reach Optical Communication Systems,” 13th IEEE International Conference on Electron Devices and Solid-State Circuits (EDSSC) 2017, Paper W2C-1, pp. 1, Hsinchu, Taiwan, October 18-20, 2017 (Invited)
368. K. Zhong, X. Zhou, J. Huo, H. Zhang, J. Yuan, Y. Yang, C. Yu, A.P.T. Lau, and C. Lu, “Amplifier-Less Transmission of Single Channel 112Gbit/s PAM4 Signal Over 40km Using 25G EML and APD at O band,” Europe Conference on Optical Communication (ECOC) 2017, Paper P2.SC6.21, pp. 1-3, Gothenburg, Sweden, September 17-21, 2017
369. C. Yu, W. Xu, N. Zhang, and C.C. Yu, “Non-invasive smart health monitoring system based on optical fiber interferometers,” 16th International Conference on Optical Communications and Networks (ICOCN) 2017, pp. 1-3, Wuzhen, China, August 7-10, 2017 (Invited)
370. L. Wang, B. Wang, C. Jin, N. Guo, C. Yu, and C. Lu, “Brillouin optical time domain analyzer enhanced by artificial/deep neural networks,” 16th International Conference on Optical Communications and Networks (ICOCN) 2017, Paper T4-I-08, pp. 1-3, Wuzhen, China, August 7-10, 2017 (Invited)
371. C. Lu, K. Zhong, X. Zhou, J. Huo, C. Yu, and A.P.T. Lau, “Device and Signal Processing Requirement for Future Short Reach Optical Communication Systems,” 16th International Conference on Optical Communications and Networks (ICOCN) 2017, Paper T3-I-03, pp. 1, Wuzhen, China, August 7-10, 2017 (Invited)
372. Z. Xu, X. Du, M. Gurusamy, C. Yu, and P.Y. Kam, “Block decision-aided laser phase noise estimation for coherent optical OFDM systems,” 16th International Conference on Optical Communications and Networks (ICOCN) 2017, Paper T3-O-46, pp. 1-3, Wuzhen, China, August 7-10, 2017
373. Z. Xu, Y. Li, X. Du, M. Gurusamy, C. Yu, and P.Y. Kam, “Accurate laser linewidth estimation for coherent optical systems using DA-ML carrier phase estimator,” 16th International Conference on Optical Communications and Networks (ICOCN) 2017, Paper T3-O-47, pp. 1-3, Wuzhen, China, August 7-10, 2017
374. K. Zhong, X. Zhou, J. Huo, H. Zhang, A.P.T. Lau, C. Yu, and C. Lu, “Double-side EML for high speed optical short reach and metro applications,” OptoElectronics and Communications Conference (OECC) 2017, Paper 2-1N-1, pp. 1-3, Singapore, July 31-August 4, 2017 (Invited)
375. K. Wang, W. Xu, N. Zhang, K. Li, C.C. Yu, and C. Yu, “Fiber-optic in-line Mach-Zehnder modal interferometer for breathing monitoring application,” OptoElectronics and Communications Conference (OECC) 2017, Paper 2-1S-4, pp. 1-3, Singapore, July 31-August 4, 2017
376. K. Li, W. Xu, N. Zhang, K. Wang, C.C. Yu, and C. Yu, “Non-wearable respiration monitoring based on Mach-Zehnder interferometer,” OptoElectronics and Communications Conference (OECC) 2017, Paper 2-2S-4, pp. 1-3, Singapore, July 31-August 4, 2017
377. C. Lu, K. Zhong, X. Zhou, J. Huo, A.P.T. Lau, C. Yu, and A.P.K. Wai, “Transmission techniques for short reach optical communication systems,” OptoElectronics and Communications Conference (OECC) 2017, Paper 2-4K-1, pp. 1-3, Singapore, July 31-August 4, 2017 (Invited)
378. L. Wang, N. Guo, C. Jin, C. Yu, H.Y. Tam, and C. Lu, “BOTDA system using artificial neural network,” OptoElectronics and Communications Conference (OECC) 2017, Paper 3-1B-5, pp. 1-3, Singapore, July 31-August 4, 2017 (Invited)
379. H. Zheng, Z. Xu, C. Yu, and M. Gurusamy, “Asynchronous visible light positioning system using FDMA and ID techniques,” OptoElectronics and Communications Conference (OECC) 2017, Paper 3-1C-4, pp. 1-3, Singapore, July 31-August 4, 2017
380. X. You, J. Chen, and C. Yu, “The concept of location-based equalization for indoor visible light communications,” OptoElectronics and Communications Conference (OECC) 2017, Paper 3-1L-4, pp. 1-3, Singapore, July 31-August 4, 2017
381. Y. Li, Q. Wang, X. Du, C. Yu, M. Gurusamy, and P.Y. Kam, “Performance of two-dimensional ml detector with laser phase noise and frequency offset,” OptoElectronics and Communications Conference (OECC) 2017, Paper P3-153, pp. 1-3, Singapore, July 31-August 4, 2017
382. X. Du, Y. Li, C. Yu, M. Gurusamy, and P.Y. Kam, “Chromatic dispersion monitoring by extended Kalman filter for coherent optical OFDM systems,” OptoElectronics and Communications Conference (OECC) 2017, Paper P3-154, pp. 1-3, Singapore, July 31-August 4, 2017
383. X. You, J. Chen, and C. Yu, “Characteristics of an ideal location-based zero-forcing equalizer in indoor visible light communication systems,” OptoElectronics and Communications Conference (OECC) 2017, Paper P4-015, pp. 1-3, Singapore, July 31-August 4, 2017
384. Z. Zheng, J. Yu, Z. Wang, J. Chen, and C. Yu, “Compressive sensing-based channel estimation in MISO OFDM visible light communication systems,” OptoElectronics and Communications Conference (OECC) 2017, Paper P4-016, pp. 1-3, Singapore, July 31-August 4, 2017
385. H. Ren, J. Yu, Z. Wang, J. Chen, and C. Yu, “Modulation format recognition in visible light communications based on higher order statistics,” OptoElectronics and Communications Conference (OECC) 2017, Paper P4-018, pp. 1-3, Singapore, July 31-August 4, 2017
386. J. Huo, X. Zhou, K. Zhong, T. Gui, F. Tan, X. Huang, J. Tu, J. Yuan, H. Zhang, F. Li, K. Long, C. Yu, A.P.T. Lau, and C. Lu, “PDM-SSB-OFDM transmission over 80km SSMF based on a single photodetector at C-band,” OptoElectronics and Communications Conference (OECC) 2017, Paper P4-074, pp. 1-3, Singapore, July 31-August 4, 2017
387. C. Jin, L. Wang, Y. Chen, N. Guo, C. Yu, Z. Li, and C. Lu, “BOTDA sensor utilizing digital optical frequency comb based phase spectrum measurement,” OptoElectronics and Communications Conference (OECC) 2017, Paper P4-108, pp. 1-3, Singapore, July 31-August 4, 2017
388. F. Tan, C. Yu, J. Zhao, and G. Li, “Accurate measurement of total mode coupling in few mode fibers (FMFs) based on a modified spatial and spectral resolved (S2) imaging system,” OptoElectronics and Communications Conference (OECC) 2017, Paper 2-2A-6, pp. 1-3, Singapore, July 31-August 4, 2017
389. B. Wang, N. Guo, F.N. Khan, A.K. Azad, C. Yu, C. Lu, and L. Wang, “Extraction of temperature distribution using deep neural networks for BOTDA sensing system,” OptoElectronics and Communications Conference (OECC) 2017, Paper 1-4C-5, pp. 1-3, Singapore, July 31-August 4, 2017
390. C. Yu, “Non-invasive smart breath monitoring system based on optical fiber interferometers,” 7th International Multidisciplinary Conference on Optofluidics (IMCO) 2017, Paper 011476, pp. 1, Singapore, July 25-28, 2017 (Invited)
391. L. Yan, X. Du, Z. Xu, M. Gurusamy, C. Yu, and P.Y. Kam, “Accurate laser linewidth estimation using DA-ML carrier phase estimator,” Signal Processing in Photonics Communications Conference, OSA Advanced Photonics Congress (SPPCom) 2017, Paper SpW1F.3, pp. 1-3, New Orleans, Louisiana, United States, July 24-27, 2017
392. X. Du, J. Zhang, Y. Li, Z. Xu, M. Gurusamy, C. Yu, and P.Y. Kam, “Efficient blind carrier frequency offset estimation for coherent optical OFDM systems,” Signal Processing in Photonics Communications Conference, OSA Advanced Photonics Congress (SPPCom) 2017, Paper SpW1F.1, pp. 1-3, New Orleans, Louisiana, United States, July 24-27, 2017
393. C. Jin, Z. Li, C. Lu, and C. Yu, “Single measurement Brillouin optical time domain analyzer based on digital optical frequency comb,” 19th International Conference on Transparent Optical Networks (ICTON) 2017, Paper Mo.B1.2, pp. 1-3, Girona, Spain, July 2-6, 2017 (Invited)
394. J. Chen and C. Yu, “Energy-efficient visible communication systems,” International Conference on Energy, Materials and Photonics (EMP) 2017, Shenzhen, China, June 24-26, 2017 (Invited)
395. J. Zhang, T. Ye, X. Yi, C. Yu, and K. Qiu, “An efficient hybrid equalizer for 50 Gb/s PAM-4 signal transmission over 50 km SSMF in a 10-GHz DML-based IM/DD system,” Conference on Lasers and Electro-Optics (CLEO) 2017, Paper SF1L.1, pp. 1-2, San Jose, CA, USA, May 14-19, 2017
396. N. Guo, L. Wang, C. Jin, T. Gui, K. Zhong, X. Zhou, J. Yuan, C. Yu, H.Y. Tam, and C. Lu, “Coherent-detection-assisted BOTDA system without averaging using single-sideband modulated local oscillator signal,” 25th International Conference on Optical Fiber Sensors (OFS) 2017, Paper We-P69, pp. 1-4, Jeju, Korea, April 24-28, 2017
397. S. Dong, B. Dong, and C. Yu, “High sensitivity curvature sensor with a cascaded fiber interferometer,” 25th International Conference on Optical Fiber Sensors (OFS) 2017, Paper We-P50, pp. 1-4, Jeju, Korea, April 24-28, 2017
398. K. Zhong, X. Zhou, Y. Wang, T. Gui, Y. Yang, J. Yuan, L. Wang, W. Chen, H. Zhang, J. Man, L. Zeng, C. Yu, A.P.T. Lau, and C. Lu, “Recent advances in short reach systems,” Conference on Optical Fiber Communication (OFC) 2017, paper Tu2D.7, pp. 1-3, Los Angeles, CA, USA, March 19-23, 2017 (Invited)
399. K. Zhong, X. Zhou, Y. Wang, J. Huo, H. Zhang, L. Zeng, C. Yu, A. P. T. Lau, and C. Lu, "Amplifier-less transmission of 56Gbit/s PAM4 over 60km using 25Gbps EML and APD," Conference on Optical Fiber Communication (OFC) 2017, paper Tu2D.1, Los Angeles, CA, USA, March 19-23, 2017
400. J. Huo, X. Zhou, K. Zhong, T. Gui, Y. Wang, L. Wang, J. Yuan, H. Zhang, K. Long, C. Yu, and C. Lu, “50-Gb/s PDM-DMT-SSB Transmission over 40km SSMF using a Single Photodetector in C-band,” Conference on Optical Fiber Communication (OFC) 2017, paper Tu3D.3, pp. 1-3, Los Angeles, CA, USA, March 19-23, 2017
401. K. Tan, Y. Huang, G.Q. Lo, C. Yu, and C. Lee, “Ultra-broadband fabrication-tolerant polarization splitter and rotator,” Conference on Optical Fiber Communication (OFC) 2017, paper Th1G.7, pp. 1-3, Los Angeles, CA, USA, March 19-23, 2017
402. J. Chen, X. You, Y. Hong, H. Zheng, and C. Yu, “On practical considerations for designing indoor visible light communication systems,” Asia Communications and Photonics Conference and Exhibition (ACP) 2016, Paper AS1B.4, pp. 1-3, Wuhan, China, November 2-5, 2016 (Invited)
403. C. Hao, H. Li, X. Yu, C. Yu, and C.W. Qiu, “Characterization of ultrafast pulse by temporal superoscillatory pulse,” Asia Communications and Photonics Conference and Exhibition (ACP) 2016, Paper AS1J.6, pp. 1-3, Wuhan, China, November 2-5, 2016
404. K. Zhong, X. Zhou, Y. Wang, C. Yu, A.P.T. Lau, and C. Lu, “Recent advances for high speed data center inter-connects,” Asia Communications and Photonics Conference and Exhibition (ACP) 2016, Paper AS1B.4, pp. 1-3, Wuhan, China, November 2-5, 2016 (Invited)
405. T. Ye, J. Zhang, J. Dang, Y. Song, X. Yi, C. Yu, and K. Qiu, “Experimental demonstration of 50 Gb/s PAM-4 transmission over 50-km SSMF using 10-GHz DML,” Asia Communications and Photonics Conference and Exhibition (ACP) 2016, Paper ATh3C.4, pp. 1-3, Wuhan, China, November 2-5, 2016
406. W. Zheng, K. Lin, J. Wang, C. Yu, and Z. Huang, “Rapid fiber-optic Raman spectroscopy enables real-time in vivo diagnosis of colonic cancer at colonoscopy,” 6th International Symposium on InfoComm & Mechatronics Technology in Bio-Medical & Healthcare Application (IS 3T-in-3A) 2016, Paper 3.3, pp. 1, Singapore, October 23-26, 2016 (Invited)
407. C. Hao, H. Li, X. Yu, Y. Zhang, C. Yu, and C.W. Qiu, “Temporal Superoscillatory Pulse Generation,” Laser Science 2016, paper LF2G.4, Rochester, New York, United States, October 17–21, 2016
408. K. Zhong, X. Zhou, Y. Wang, L. Wang, Y. Yang, C. Yu, A.P.T. Lau, and C. Lu, “Experimental demonstration of 125Gbit/s half-cycle 32QAM Nyquist-SCM transmission system for short reach communications,” IEEE Photonics Conference (IPC) 2016, pp. 1-2, Waikoloa, HI, USA, October 2-6, 2016
409. N. Zhang, W. Xu, C.C. Yu, C. Yu, and S. You, “Er-doped fiber based Mach-Zehnder interferometer for simultaneous strain and temperature measurement,” Photonics Asia 2016, Paper 10019-53, pp. 1-6, Beijing, China, October 12-14, 2016
410. N. Zhang, W. Xu, C. Yu, and S. You, “Investigation on a novel fiber-optic sensor based on up-taper-core-offset-up-taper structure,” Photonics Asia 2016, Paper 10019-52, pp. 1-6, Beijing, China, October 12-14, 2016
411. N. Zhang, W. Xu, C. Yu, and S. You, “Intensity-modulated fiber-optic refractive index and strain sensor based on miniaturized modal interferometer,” 15th International Conference on Optical Communications and Networks (ICOCN) 2016, Paper T4-O-22, pp. 1-3, Hangzhou, China, September 24-27, 2016
412. K. Zhong, C. Yu, A.P.T. Lau and C. Lu, “Advanced DSP for Optical Coherent Communications,” 2nd Optoelectronic Global Conference (OGC) 2016, Paper SSII.a2, pp. 1, Shenzhen, China, September 5-7, 2016 (Invited)
413. K. Zhong, X. Zhou, C. Yu, A.P.T. Lau, and C. Lu, “DSP for high speed short reach transmission systems,” 37th Progress in Electromagnetic Research Symposium (PIERS) 2016, Paper 4P2, pp. 1, Shanghai, China, August 8-11, 2016 (Invited)
414. K. Tan, Y. Huang, P. Lo, C. Lee, and C. Yu, “Three-dimensional polarization splitter and rotator based on multi-layer Si3N4-on-SOI platform,” International Conference on Optical MEMS and Nanophotonics (OMN) 2016, Paper Po2.4, pp. 1-2, Singapore, July 31-August 4, 2016
415. K. Tan, Lo, C. Yu, and C. Lee, “Compact CMOS-compatible polarization splitter and rotator based on 90° bends,” International Conference on Optical MEMS and Nanophotonics (OMN) 2016, Paper We3.5, pp. 1-2, Singapore, July 31-August 4, 2016
416. X. You, J. Chen, C. Yu, and Z. Ghassemlooy, “Time domain reshuffling for OFDM based indoor visible light communications,” 10th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP) 2016, Paper 1570260875, pp. 1-4, Prague, Czech, July 20-22, 2016
417. X. Zhou, K. Zhong, J. Huo, Y. Wang, L. Wang, J. Tu, Y. Yang, L. Gao, L. Zeng, C. Yu, A.P.T. Lau, and C. Lu, “112-Gbit/s PDM-PAM4 transmission over 80-km SMF using digital coherent detection without optical amplifier,” 10th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP) 2016, Paper 1570256705, pp. 1-4, Prague, Czech, July 20-22, 2016
418. X. You, J. Chen, C. Yu, and Z. Ghassemlooy, “Efficient transmission under low dimming control levels in indoor visible light communications,” 10th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP) 2016, Paper 1570252851, pp. 1-4, Prague, Czech, July 20-22, 2016
419. Y. Li, C. Yu, and P.Y. Kam, “An enhanced da-ml phase estimation algorithm for systems using advanced modulation formats,” Signal Processing in Photonics Communications Conference, OSA Advanced Photonics Congress (SPPCom) 2016, Paper SpW2G.4, pp. 1-3, Vancouver, Canada, July 18-21, 2016
420. X. Du, J. Zhang, C. Yu, and P.Y. Kam, “Blind carrier frequency offset estimation for coherent optical OFDM systems,” Signal Processing in Photonics Communications Conference, OSA Advanced Photonics Congress (SPPCom) 2016, Paper SpW2G.3, pp. 1-3, Vancouver, Canada, July 18-21, 2016
421. C. Yang, X. Li, W. Liu, S. You, M. Chen, Y. Wang, Z. Wang, S. Bian, H. Chen, J. Ding, H. Wu, Q. Yang, and C. Yu, “Successive interference cancellation in practical indoor interfered visible light communication,” Signal Processing in Photonics Communications Conference, OSA Advanced Photonics Congress (SPPCom) 2016, Paper SpTu2F.5, pp. 1-3, Vancouver, Canada, July 18-21, 2016
422. H. Zheng, Z. Xu, C. Yu, and G. Mohan, “Indoor three-dimensional positioning based on visible light communication using Hamming filter,” Signal Processing in Photonics Communications Conference, OSA Advanced Photonics Congress (SPPCom) 2016, Paper SpM4E.3, pp. 1-3, Vancouver, Canada, July 18-21, 2016
423. T. Ye, J. Zhang, X. Yi, C. Yu, and K. Qiu, “DMT modulation with adaptive bit-loading and volterra filter in an EML-based IM-DD system,” Signal Processing in Photonics Communications Conference, OSA Advanced Photonics Congress (SPPCom) 2016, Paper SpM4E.2, pp. 1-3, Vancouver, Canada, July 18-21, 2016
424. C. Yu, Y. Yu, and X. Fu, “Optical performance monitoring based on 2-D phase portrait generated by single-channel sampling technique,” 18th International Conference on Transparent Optical Networks (ICTON) 2016, Paper We.B1.2, pp. 1-4, Trento, Italy, July 10-14, 2016 (Invited)
425. Q. Hu, C. Yu, P.Y. Kam, and H. Kim, “25-Gb/s ASE-seeded WDM PON,” OptoElectronics and Communications Conference (OECC) 2016, Paper ThA3-3, pp. 1-3, Niigata, Japan, July 3-7, 2016
426. J. Zhou, C. Yu, G. Mohan, and H. Kim, “Power budget improvement of 25-Gb/s optical link based on 1.5-μm 10G-class VCSEL,” OptoElectronics and Communications Conference (OECC) 2016, Paper ThB2-5, pp. 1-3, Niigata, Japan, July 3-7, 2016
427. J. Zhang, Q. Hu, C. Yu, X. Yi, and K. Qiu, “Elastic-bandwidth access with spectrum-sliced incoherent light source in WDM-PON,” OptoElectronics and Communications Conference (OECC) 2016, Paper WA2-4, pp. 1-3, Niigata, Japan, July 3-7, 2016
428. Z. Jin, W. Zhu, X. Yu, H. Li, C. Qiu, C. Yu, Y. Liu, and Y. Zhang, “Wavefront manipulation of harmonic generations via nonlinear metasurface,” Conference on Lasers and Electro-Optics (CLEO) 2016, Paper FM2D.7, pp. 1-2, San Jose, CA, USA, June 5-10, 2016
429. C. Yu, and Y. Yu, “Optical performance monitoring in fiber communication systems based on RF power measurement and electrical sampling techniques,” 25th Wireless and Optical Communications Conference (WOCC) 2016, Paper SC2-I3, pp. 1, Chengdu, China, May 21-22, 2016 (Invited)
430. J. Zhou, C. Yu, G. Mohan, and H. Kim, “25-Gb/s OOK and 4-PAM transmission over >35-km SSMF using directly modulated 1.5-μm VCSEL,” Conference on Optical Fiber Communication (OFC) 2016, paper Th1G.7, pp. 1-3, Los Angeles, CA, USA, March 20-24, 2016
431. X. Li, S. Zhou, H. Ji, M. Luo, Q. Yang, L. Yi, R. Hu, C. Li, S. Fu, A. Alphones, W. Zhong, and C. Yu, “Transmission of 4×28-Gb/s PAM-4 over 160-km Single Mode Fiber using 10G-Class DML and Photodiode,” Conference on Optical Fiber Communication (OFC) 2016, paper W1A.5, pp. 1-3, Los Angeles, CA, USA, March 20-24, 2016
432. Z. Xu, P.Y. Kam, and C. Yu, “Performance of maximum likelihood carrier phase estimation in coherent optical communication systems,” 10th International Conference on Information, Communications and Signal Processing (ICICS) 2015, Paper We44-3, pp. 1-4, Singapore, December 2-4, 2015 (Invited)
433. Y. Li, Y. Yu, Z. Xu, C. Yu, and P.Y. Kam, “Demonstration of optical signal to noise ratio monitoring based on Sagnac interferometer in polarization division multiplexed systems,” Asia Communications and Photonics Conference and Exhibition (ACP) 2015, Paper AS4F.7, pp. 1-3, Hong Kong, November 19-23, 2015
434. X. Du, J. Zhang, Z. Xu, and C. Yu, “A novel timing offset estimation method for coherent optical ofdm systems,” Asia Communications and Photonics Conference and Exhibition (ACP) 2015, Paper AS4F.5, pp. 1-3, Hong Kong, November 19-23, 2015
435. F.N. Khan, Y. Yu, M.C. Tan, C. Yu, A.P.T. Lau, and C. Lu, “Simultaneous OSNR monitoring and modulation format identification using asynchronous single channel sampling,” Asia Communications and Photonics Conference and Exhibition (ACP) 2015, Paper AS4F.6, pp. 1-3, Hong Kong, November 19-23, 2015
436. C. Hao, C. Yu, H. Li, X. Yu, and Y. Zhang, “PSF analysis of reflective objectives based nonlinear 4Pi tomography,” Frontiers in Optics/Laser Science Conference (FiO/LS) 2015, Paper JTu4A.62, pp. 1-2, San Jose, CA, USA, October 18-22, 2015
437. C. Yu, Y. Yu, and X. Fu, “Optical performance monitoring in fiber communication systems,” 24th Wireless and Optical Communications Conference (WOCC) 2015, Paper IO-07, pp. 1, Taipei, Taiwan, October 23-24, 2015 (Invited)
438. X. Li, W. Zhong, A. Alphones, C. Yu, M. Luo, R. Hu, and Q. Yang, “Experimental demonstration of independent component analysis based channel equalization in multiband coherent optical PDM-OFDM,” Europe Conference on Optical Communication (ECOC) 2015, pp. 1-3, Valencia, Spain, September 27- October 1, 2015
439. C. Yu and Y. Yu, “Optical performance monitoring based on filtering effects,” 1st Optoelectronic Global Conference (OGC) 2015, Paper 39, pp. 1, Shenzhen, China, August 29-31, 2015 (Invited)
440. C. Yu, “Optical performance monitoring based on the 2-D phase portrait,” 7th International Conference on Information Optics and Photonics (CIOP) 2015, Paper 4.4, pp. 1, Nanjing, China, July 12-15, 2015 (Invited)
441. C. Yu and Y. Yu, “Optical signal to noise ratio monitoring based on optical filtering effects in high-speed optical transmission systems,” 17th International Conference on Transparent Optical Networks (ICTON) 2015, Paper We.C1.3, pp. 1-4, Budapest, Hungary, July 5-9, 2015 (Invited)
442. C. Yu, P.Y. Kam, and Z. Xu, “Data-aided phase estimation in coherent optical communication systems,” 10th International Conference on Optical Communications and Networks (ICOCN) 2015, Paper Su5B.3, pp. 1-4, Nanjing, China, July 3-5, 2015 (Invited)
443. B. Dong, C. Yu, and Y. Wang, “Thermal characteristics of the ethanol-filled hollow-core photonic-crystal-fiber modal interferometer,” 10th International Conference on Optical Communications and Networks (ICOCN) 2015, Paper Sa2E.2, pp. 1-4, Nanjing, China, July 3-5, 2015 (Invited)
444. P. Wang, J. Chen, X. You, and C. Yu, “Performance of flexible decision-aided maximum likelihood phase estimator,” 10th International Conference on Optical Communications and Networks (ICOCN) 2015, Paper Sa1B.4, pp. 1-4, Nanjing, China, July 3-5, 2015
445. H. Zheng, C. Yu, J. Chen, X. You, and Z. Ghassemlooy, “LED arrangement optimization for visible light communication systems,” OptoElectronics and Communications Conference (OECC) 2015, Paper JWeD.13, pp. 1-3, Shanghai, China, June 28-July 2, 2015
446. J. Chen, X. You, Y. Hong, H. Zheng, and C. Yu, “On practical considerations for designing indoor visible light communication systems,” IEEE Photonics Global Conference (PGC) 2015, Paper H3-1, pp. 1, Singapore, June 28-July 3, 2015 (Invited)
447. X. You, J. Chen, H. Zheng, and C. Yu, “Time domain reshuffling for OFDM based indoor visible light communication systems,” IEEE Photonics Global Conference (PGC) 2015, Paper H2-2, pp. 1, Singapore, June 28-July 3, 2015
448. H. Zheng, A. Burton, J. Chen, C. Yu, and Z. Ghassemlooy, “Power coverage optimization for visible light communications based on convex optimization,” IEEE Photonics Global Conference (PGC) 2015, Paper H2-4, pp. 1, Singapore, June 28-July 3, 2015
449. K.A. Taher, S.P. Majumder, B.M. Azizur Rahman, Y. Yu, and C. Yu, “Simultaneous monitoring of CD and PMD using RF tone power,” IEEE Photonics Global Conference (PGC) 2015, Paper H4-3, pp. 1, Singapore, June 28-July 3, 2015
450. Y. Yu, K. Tan, and C. Yu, “Optical signal to noise ratio monitoring using 1D histogram with low bandwidth receiver in 100Gb/s PDMRZQPSK system,” IEEE Photonics Global Conference (PGC) 2015, Paper H4-4, pp. 1, Singapore, June 28-July 3, 2015
451. K. Tan, Y. Huang, P. Lo, C. Lee, and C. Yu, “CMOS-Compatible broadband 1310-nm wavelength polarization splitter and rotator with high fabrication tolerance,” IEEE Photonics Global Conference (PGC) 2015, Paper H9-3, pp. 1, Singapore, June 28-July 3, 2015
452. Q. Hu and C. Yu, “Analysis of SOA optimization in spectrum-sliced WDM systems for EIN reduction and dispersion effect,” Signal Processing in Photonics Communications Conference, OSA Advanced Photonics Congress (SPPCom) 2015, Paper SpS4D.5, pp. 1-3, Boston, MA, USA, June 27 –July 1, 2015
453. X. Li, W. Zhong, A. Alphones, C. Yu, and Q. Yang, “Channel equalization based on QR decomposition in indoor visible light communication,” 2015 IEEE 10th Conference on Industrial Electronics and Applications (ICIEA), pp. 1491-1495, Auckland, New Zealand, 15-17 June 2015
454. J. Chen, P. Wang, X. You, and C. Yu, “A flexible decision-aided maximum likelihood phase estimation method,” International Conference on Optical Instruments and Technology (OIT) 2015, Proceedings of SPIE, vol. 9619, pp. 1-4, Beijing, China, May 17-19, 2015 (Invited)
455. C. Yu, Z. Chen, and J. Hu, “Applications of smart optical fiber health monitoring system,” Applied Optics and Photonics Conference (AOPC) 2015, Paper 23, pp. 1, Beijing, China, May 5-7, 2015 (Invited)
456. J. Zhou, C. Yu, and H. Kim, “1.5-µm, 21.4-Gb/s 4-PAM VCSEL link for optical access applications,” Conference on Optical Fiber Communication (OFC) 2015, paper Th2A.54, pp. 1-3, Los Angeles, CA, USA, 22-26 March, 2015
457. J. Chen, X. You, H. Zheng, and C. Yu, “MPPM Dimming Control for OFDM-based Visible Light Communication Systems,” 14th IEEE International Conference on Communication Systems (ICCS) 2014, Paper SS10-1, pp. 1-5, Macau, November 19-21, 2014 (Invited)
458. C. Yu, “Carrier recovery for digital coherent transmission,” Asia Communications and Photonics Conference and Exhibition (ACP) 2014, Paper Workshop3.3, pp. 1, Shanghai, China, November 11-14, 2014 (Invited)
459. Y. Fan, J. Chen, P. Cao, and C. Yu, “Performance of carrier phase estimation QPSK optical coherent receiver with N bit resolution ADCs,” 13th International Conference on Optical Communications and Networks (ICOCN) 2014, Paper M32.3, pp. 1-4, Suzhou, China, November 9-10, 2014 (Invited)
460. J. Chen, N. Ma, H. Yang, and C. Yu, “On the performance of MU-MIMO indoor visible light communication system based on THP algorithm,” 3rd IEEE/CIC International Conference on Communications in China (ICCC) 2014, Paper OCSN-2, pp. 1-5, Shanghai, China, October 13-15, 2014 (Invited)
461. J. Chen, X. You, H. Zheng, and C. Yu, “Excess signal transmission with dimming control pattern in indoor visible light communication systems,” Photonics Asia 2014, Paper 9270-40, pp. 1-8, Beijing, China, October 9-11, 2014 (Invited)
462. P. Luo, Z. Ghassemlooy, H. Le Minh, A. Khalighi, X. Zhang, M. Zhang, and C. Yu, “Experimental demonstration of an indoor visible light communication positioning system using dual-tone multi-frequency technique,” 3rd International Workshop on Optical Wireless Communications (IWOW) 2014, pp. 55-59, Funchal, Madeira Island, Portugal, September 17, 2014
463. J. Zhou, C. Yu, and H. Kim, “1.5-µm, 10-Gbps 4-PAM VCSEL transmission for optical access networks,” 12th International Conference on Optical Internet (COIN) 2014, paper FA2-2, pp. 1-3, Jeju, South Korea, August 27-29, 2014
464. C. Yu, Z. Chen, and J. Hu, “Long-range and biomedical measurements based on optical fiber strain sensor,” 35th Progress in Electromagnetic Research Symposium (PIERS) 2014, Paper 4A1-12, pp. 1, Guangzhou, China, August 25-28, 2014 (Invited)
465. J. Chen, Y. Hong, X. You, H. Zheng, and C. Yu, “Conceptual design of multi-user visible light communication systems over indoor lighting infrastructure,” 9th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP) 2014, Paper 355, pp. 1-4, Manchester, UK, July 23-25, 2014 (Invited)
466. Y. Hong, J. Chen, and C. Yu, “Performance improvement of the pre-coded multi-user MIMO indoor visible light communication system,” 9th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP) 2014, Paper 62, pp. 1-4, Manchester, UK, July 23-25, 2014
467. Y. Yu and C. Yu, “Pulse carver alignment monitoring for RZ-DPSK and DQPSK signals based on delay-tap sampling technique,” 9th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP) 2014, Paper 233, pp. 1-4, Manchester, UK, July 23-25, 2014
468. Z. Xu, P.Y. Kam, and C. Yu, “Performance of pilot-assisted maximum likelihood sequence detection for QAM signals,” Signal Processing in Photonics Communications Conference, OSA Advanced Photonics Congress (SPPCom) 2014, Paper SW1C.2, pp. 1-3, San Diego, CA, USA, July 13-17, 2014
469. C. Yu and Y. Yu, “Optical performance monitoring in fiber transmission systems based on electrical sampling technique,” 16th International Conference on Transparent Optical Networks (ICTON) 2014, Paper V.1, pp. 1-4, Graz, Austria, July 6-10, 2014 (Invited)
470. H. Zheng, C. Yu, and H. Kim, “The performance of inter-satellite BFSK and 4FSK optical communication system with pointing error,” OptoElectronics and Communications Conference (OECC) 2014, Paper TU3F-3, pp. 1-3, Melbourne, Australia, July 6-10, 2014
471. Z. Xu, H. Zheng, C. Yu, and P.Y. Kam, “Performance of pilot-assisted maximum-likelihood sequence detection in a rotated-8QAM coherent optical system,” OptoElectronics and Communications Conference (OECC) 2014, Paper TH10E-1, pp. 1-3, Melbourne, Australia, July 6-10, 2014
472. X. Li, Zhuoran Xu, W.D. Zhong, A. Alphones and C. Yu, “Independent component analysis based modified constant modulus algorithm in coherent optical receiver,” OptoElectronics and Communications Conference (OECC) 2014, Paper TH10E-3, pp. 1-3, Melbourne, Australia, July 6-10, 2014
473. X. Li, Z. Xu, W.D. Zhong, A. Alphones, C. Yu, and Z.W. Xu, “Channel equalization based on QR decomposition in direct detection optical DFT-S OFDM,” OptoElectronics and Communications Conference (OECC) 2014, Paper TH10E-3, pp. 1-3, Melbourne, Australia, July 6-10, 2014
474. Y. Fan, J. Chen, and C. Yu, “ADC resolution requirement for DA-ML phase estimation QPSK optical coherent receiver,” OptoElectronics and Communication Conference (OECC) 2014, pp. 442-444, Melbourne, VIC, Australia, July 6-10, 2014
475. C. Yu,P.Y. Kam,and Z. Xu, “Carrier recovery in coherent receiver of optical fiber communication system with laser phase noise,” International Photonics and OptoElectronics Meetings (POEM) 2014, Paper OTh3B.1, pp. 1-3, Wuhan, China, June 18-21, 2014 (Invited)
476. S. Cao, P.Y. Kam, and C. Yu, “Pilot-aided log-likelihood ratio for LDPC coded M-QAM CO-OFDM system,” Conference on Optical Fiber Communication (OFC) 2014, Paper W3J.1, pp. 1-3, San Francisco, CA, USA, March 9-13, 2014
477. Y. Yu and C. Yu, “OSNR monitoring by using single sampling channel generated 2-D phase portrait,” Conference on Optical Fiber Communication (OFC) 2014, Paper Th2A.49, pp. 1-3, San Francisco, CA, USA, March 9-13, 2014
478. X. Li, W.D. Zhong, A. Alphones and C. Yu, “Channel equalization based on independent component analysis for coherent optical PDM-OFDM,” Conference on Optical Fiber Communication (OFC) 2014, Paper Tu3G.2, pp. 1-3, San Francisco, CA, USA, March 9-13, 2014
479. J. Zhou, H. Kim, and C. Yu, “10-Gb/s, 20-km VCSEL optical access link at 1.5 μm with 23-dB power budget,” Conference on Optical Fiber Communication (OFC) 2014, Paper W2A.2, pp. 1-3, San Francisco, CA, USA, March 9-13, 2014
480. J. Chen, Y. Hong, Z. Wang, and C. Yu, “Precoded visible light communications,” 9th International Conference on Information, Communications and Signal Processing (ICICS) 2013, Paper. P0273, pp. 1-4, Tainan, Taiwan, December 10-13, 2013 (Invited)
481. D. Huang, T.-H. Cheng, and C. Yu, “Decision-aided carrier phase estimation with selective averaging for low-cost optical coherent communication,” 9th International Conference on Information, Communications and Signal Processing (ICICS) 2013, Paper. P0214, pp. 1-4, Tainan, Taiwan, December 10-13, 2013
482. J. Chen, Y. Hong, Z. Wang, and C. Yu, “Enhanced signal processing and system configurations for visible light communication,” Asia Communications and Photonics Conference and Exhibition (ACP) 2013, pp. 1-3, Beijing, China, November 12-15, 2013 (Invited)
483. J. Chen, Y. Hong, X. Ma, Z. Wang, and C. Yu, “Advanced technologies in visible light communication systems,” Paper V-2.1, 11th International Conference on Optical Internet (COIN) 2013, pp. 1-3, Beijing, China, October 18-20, 2013 (Invited)
484. X. Ma, J. Chen, X. You, and C. Yu, “Time domain reshuffling of DC-biased optical OFDM signals,” 11th International Conference on Optical Internet (COIN) 2013, Paper. V-3.5, pp. 1-3, Beijing, China, October 18-20, 2013
485. C. Yu, Z. Chen, and J. Hu, “Biomedical optical fiber sensor,” Australian Biomedical Engineering Conference (ABEC) 2013, Paper a54, pp. 1, Sydney, Australia, October 13-16, 2013 (Invited)
486. C. Yu, and Y. Yu, “OSNR monitoring in optical fiber communication systems,” International Conference on Lasers, Optics & Photonics (OPTICS) 2013, pp. 1, San Antonio, TX, USA, October 7-9, 2013 (Invited)
487. J. Chen, X. Ma, and C. Yu, “Time domain reshuffling of asymmetrically clipped optical OFDM signals,” IEEE Photonics Conference (IPC) 2013, pp. 1-2, Bellevue, WA, USA, September 8-12, 2013
488. Y. Yu, C.F. Loh, Z. Xu and C. Yu, “OSNR Monitoring for PDM RZ-DQPSK System by Low Bandwidth Sampling Technique,” Asia-Pacific Conference on Communications (APCC) 2013, Paper V-2.1, pp. 1-2, Bali Dynasty Resort, Bali, Indonesia, August 29-31, 2013
489. Y. Yu and C. Yu, “Simultaneous OSNR and CD Monitoring for NRZ-DPSK and DQPSK Signals by Single-Channel Sampling Technique,” Asia-Pacific Conference on Communications (APCC) 2013, Paper VII-3.1, pp. 1-2, Bali Dynasty Resort, Bali, Indonesia, August 29-31, 2013
490. C. Yu, and Y. Yu, “Optical performance monitoring in high-speed fiber communication systems based on low-bandwidth delay-tap sampling,” 8th International Conference on Communications and Networking in China (ChinaCom) 2013, pp. 1-4, Guilin, China, August 14-16, 2013 (Invited)
491. Z. Chen, J. Hu, and C. Yu, “Fiber sensor for long-range and biomedical measurements,” 12th International Conference on Optical Communications and Networks (ICOCN) 2013, Paper SC2In1, Paper SC2In2, pp. 1-4, Chengdu, China, July 26-28, 2013 (Invited)
492. C. Yu, and Y. Yu, “Optical performance monitoring based on filtering in high-speed optical fiber communication systems,” Signal Processing in Photonics Communications Conference, OSA Advanced Photonics Congress (SPPCom) 2013, Paper SP4D.4, pp. 1-3, Rio Grande, Puerto Rico, USA, July 14-17, 2013 (Invited)
493. X. Li, A. Alphones, W.D. Zhong and C. Yu, “Improved U-S OFDM for fiber nonlinearity mitigation in long haul transmission,” OptoElectronics and Communications Conference (OECC) 2013, Paper TuR4-5, pp. 1-2, Kyoto, Japan, June 30-July 4, 2013
494. Z. Xu, C. Yu, and P.Y. Kam, “Performance of adaptive maximum likelihood sequence detection with nonlinear phase Noise,” OptoElectronics and Communications Conference (OECC) 2013, Paper TuPR-16, pp. 1-2, Kyoto, Japan, June 30-July 4, 2013
495. W. Zhong, Z. Wang, and C. Yu, “Performance enhancement techniques for free-space optical transmission systems,” 15th Anniversary International Conference on Transparent Optical Networks (ICTON) 2013, Paper TuA3.1, pp. 1-4, Cartagena, Spain, June 23-27, 2013 (Invited)
496. Z. Xu, B. Zhang, C. Yu, and P.Y. Kam, “Adaptive maximum likelihood sequence detection in 100-Gb/s coherent optical communication systems,” Conference on Optical Fiber Communication (OFC) 2013, Paper JTh2A.46, pp. 1-3, Anaheim, CA, USA, March 17-21, 2013
497. S. Cao, S. Zhang, C. Yu, and P.Y. Kam, “Full-range pilot-assisted frequency offset estimation for OFDM systems,” Conference on Optical Fiber Communication (OFC) 2013, Paper JW2A.53, pp. 1-3, Anaheim, CA, USA, March 17-21, 2013
498. H. Ju, C. Yu, C.P. Chin, and Y.S. Kwok, “LED-camera communication system with RGB coding,” IEEE Photonics Global Conference (PGC) 2012, Paper 2-3G-4, pp. 1-4, Singapore, December 13-16, 2012
499. Y. Yu, J. Yang, and C. Yu, “Optical signal to noise ratio monitoring using a novel optical notch filtering scheme,” IEEE Photonics Global Conference (PGC) 2012, Paper 2-2G-4, pp. 1-4, Singapore, December 13-16, 2012
500. S. Cao, C. Yu, and P.Y. Kam, “Mitigation of nonlinearity based on optimized percentage of dispersion pre-compensation in coherent optical PDM-OFDM systems,” IEEE Photonics Global Conference (PGC) 2012, Paper 2-1G-3, pp. 1-4, Singapore, December 13-16, 2012 (Best Student Paper Award)
501. C. Yu, J. Yang, and Y. Yu, “Dispersion and OSNR monitoring in high-speed optical fiber communication system,” 11th International Conference on Optical Communications and Networks (ICOCN) 2012, Paper FRI-18, pp. 1-4, Pattaya, Thailand, November 28-30, 2012 (Invited)
502. Z. Wang, J. Chen, W. Zhong, C. Yu, and W. Chen, “User-oriented visible light communication system with dimming control scheme,” 11th International Conference on Optical Communications and Networks (ICOCN) 2012, Paper THU-09, pp. 1-4, Pattaya, Thailand, November 28-30, 2012 (Invited)
503. Y. Yu, J. Yang, and C. Yu, “Low cost and CD insensitive optical signal to noise ratio monitoring method using beat noise,” International Conference on Communications Systems (ICCS) 2012, Paper MC7-2, pp. 1-4, Singapore, November 21-23, 2012
504. C. Yu, P.Y. Kam, and S. Cao, “Decision-aided phase estimation in single carrier and OFDM coherent optical communication systems,” Asia Communications and Photonics Conference and Exhibition (ACP) 2012, Paper AS4C.1, pp. 1-4, Guangzhou, China, November 7-10, 2012 (Invited)
505. C. Yu, “Optical performance monitoring in high-speed reconfigurable optical fiber communication networks,” 7th International Conference on Communications and Networking in China (ChinaCom) 2012, Paper OCN04-1, pp. 1-4, Dianchi Garden Hotel, Kunming, China, August 8-10, 2012 (Invited)
506. S. Cao, P.Y. Kam, and C. Yu, “Log-likelihood Metric for LDPC coded BDPSK-OFDM Transmission,” OptoElectronics and Communications Conference (OECC) 2012, Paper 4B3-4, pp. 1-2, BEXCO, Busan, Korea, July 2-6, 2012
507. S. Cao, P.Y. Kam, and C. Yu, “Pre-distortion versus Post-equalization for IQ Mismatch Compensation in CO-OFDM,” OptoElectronics and Communications Conference (OECC) 2012, Paper 4B3-2, pp. 1-2, BEXCO, Busan, Korea, July 2-6, 2012
508. Z. Wang, W. Zhong, C. Yu, J. Chen, and W. Chen, “Performance of variable M-QAM OFDM visible light communication system with dimming control,” OptoElectronics and Communications Conference (OECC) 2012, Paper 6B1-3, pp. 1-2, BEXCO, Busan, Korea, July 2-6, 2012
509. C. Yu, P.Y. Kam, S. Zhang and J. Chen, “Decision-aided carrier phase estimation for coherent optical communication systems,” Signal Processing in Photonics Communications Conference, OSA Advanced Photonics Congress (SPPCom) 2012, Paper SpTh1B.1, pp. 1-2, Cheyenne Mountain Resort, Colorado Springs, CO, USA, June 19-21, 2012 (Invited)
510. C. Yu, “Dispersion monitoring in high-speed optical communication systems,” 21st Wireless and Optical Communications Conference (WOCC) 2012, pp. 16-19, Kaohsiung, Taiwan, April 19-21, 2012 (Invited)
511. C. Yu, P.Y. Kam, S. Zhang and J. Chen, “Phase estimation in coherent optical fiber communication systems with advanced modulation formats,” Conference on Optical Fiber Communication (OFC) 2012, Paper OTu2G.7, pp. 1-3, Los Angeles, CA, USA, March 4-8, 2012 (Invited)
512. Z. Wang, C. Yu, W. Zhong, and J. Chen, “A novel LED arrangement to reduce SNR fluctuation for multi-user in visible light communication systems,” International Conference on Information, Communications and Signal Processing (ICICS) 2011, Paper TM6, pp. 1-4, Singapore, December 13-16, 2011
513. Z. Wang, W. Zhong, and C. Yu, “Dynamic decision threshold and adaptive coherent detection in FSO communication system,” International Conference on Information, Communications and Signal Processing (ICICS) 2011, Paper WA6, pp. 1-5, Singapore, December 13-16, 2011
514. C. Yu, J. Yang, J. Hu, and B. Zhang, “Chromatic dispersion monitoring based on RF spectrum analysis and delay-tap sampling,” 10th International Conference on Optical Communications and Networks (ICOCN) 2011, Paper WE1, pp. 1-2, Guangzhou, China, December 5-7, 2011 (Invited)
515. J. Chen, C. Yu, Z. Wang, J. Shen, and Y. Li, “Indoor optical wireless integrated with white LED lighting: perspective & challenge,” 10th International Conference on Optical Communications and Networks (ICOCN) 2011, Paper MO6, pp. 1-2, Guangzhou, China, December 5-7, 2011 (Invited)
516. C. Yu, J. Yang, J. Hu, and B. Zhang, “Optical performance monitoring in high-speed optical fiber communication systems,” International Photonics and OptoElectronics Meetings (POEM) 2011, Paper OCSN-2, pp. 1-10, Wuhan, China, November 2-5, 2011 (Invited)
517. J. Hu, Z. Chen, and C. Yu, “150-km long distance fiber sensor system based on Raman amplification,” IEEE Sensors Conference 2011, Paper 1319, pp. 113-116, Limerick, Ireland, October 28-31, 2011
518. W. Chen, C. Yu, Y.S. Kwok and F. Chin, “Video transmission system based on visible light communication,” International Conference on Information Photonics & Optical Communications (IPOC) 2011, Paper 1-3C-3, pp. 1-3, Singapore, October 21-23, 2011
519. X. Shao, C. Yu, and P.Y. Kam, “Joint carrier phase estimation and maximum likelihood sequence detection (J-CPE-MLSD) in coherent optical systems with laser phase noise,” International Conference on Information Photonics & Optical Communications (IPOC) 2011, Paper 2-2C-2, pp. 1-3, Singapore, October 21-23, 2011
520. S. Cao, C. Yu, and P.Y. Kam, “Decision-aided joint compensation of channel distortion and transmitter IQ imbalance for coherent optical OFDM,” IEEE Topical Meeting on Microwave Photonics (MWP) 2011, pp. 312-315, Singapore, October 18-21, 2011
521. C. Yu, P.Y. Kam, S. Zhang and J. Chen, “Phase and frequency offset estimation in coherent optical fiber communication systems,” OptoElectronics and Communications Conference (OECC) 2011, Paper 7B2_1, pp. 1-2, Kaohsiung, Taiwan, July 4-8, 2011 (Invited)
522. S. Cao, C. Yu, and P.Y. Kam, “Decision-aided carrier phase estimation for coherent optical OFDM,” OptoElectronics and Communications Conference (OECC) 2011, Paper 7B2_3, pp. 1-2, Kaohsiung, Taiwan, July 4-8, 2011
523. Z. Xu, S. Zhang, P.Y. Kam, and C. Yu, “On the performance of decision-aided maximum likelihood and its adaptive phase estimation with nonlinear phase noise,” OptoElectronics and Communications Conference (OECC) 2011, Paper 6B3_3, pp. 1-2, Kaohsiung, Taiwan, July 4-8, 2011
524. H. Zhang, C. Yu, and P.Y. Kam, “Optimal ring ratio of 16-Star quadrature amplitude modulation in coherent optical communication systems,” OptoElectronics and Communications Conference (OECC) 2011, Paper 7P3_030, pp. 1-2, Kaohsiung, Taiwan, July 4-8, 2011
525. C. Yu, P.Y. Kam, S. Zhang and J. Chen, “Carrier recovery based on digital signal processing in coherent optical fiber communication systems,” International Symposium on Photonics & Optical Communications (SPOC) 2011, Paper 6.3, pp. 1, Chengdu, China, July 1-3, 2011 (Invited)
526. J. Hu, J. Yang, F. Xu, and C. Yu, “Chromatic dispersion monitoring of RZ-DQPSK signal with low bandwidth detector by evaluating the amplitude ratio of delay tap sampling,” 3rd International High Speed Intelligent Communication Forum (HSIC) 2011, Paper 14, pp. 1, Hong Kong, May 30-31, 2011
527. J. Hu, Z. Chen, J.T. Teo, and C. Yu, “100-km long distance FBG vibration sensor based on matching filter demodulation,” 21st International Conference on Optical Fibre Sensors (OFS) 2011, Proceedings of SPIE, vol. 7753, 77538N, pp. 1-4, Ottawa, Canada, May 15-19, 2011
528. H. Zhang, P. Y. Kam, and C. Yu, “Laser linewidth tolerance of coherent optical 64QAM and 16PSK systems using decision-aided maximum likelihood phase estimation,” Conference on Lasers and Electro-Optics (CLEO) 2011, Paper JWA17, pp. 1-2, Baltimore, MD, USA, May 1-6, 2011
529. S. Zhang, L. Xu, P. Y. Kam, C. Yu, and T. Wang, “Study on the performance of decision-aided maximum likelihood phase estimation with a forgetting factor,” Conference on Optical Fiber Communication (OFC) 2011, Paper JWA022, pp. 1-3, Los Angeles, CA, USA, March 6-10, 2011
530. J. Yang, C. Yu, and Z. Li, “PMD insensitive CD monitoring based on RF power ratio measurement utilizing FBG filter,” IEEE Photonics Global Conference (PGC) 2010, Paper 2-2F-5, pp. 1-5, Singapore, December 14-16, 2010
531. Z. Wang, W. Zhong, S. Zhang, C. Yu, and Y. Ding, “Performance evaluation of OOK free-space optical transmission system with dynamic decision threshold and coherent detection,” IEEE Photonics Global Conference (PGC) 2010, Paper 3-1F-4, pp. 1-5, Singapore, December 14-16, 2010
532. C. Yu and J. Yang, “CD and PMD monitoring based on RF spectrum analysis with optical filtering,” Asia Communications and Photonics Conference and Exhibition (ACP) 2010, Paper FN1, pp. 1-8, Shanghai, China, December 8-12, 2010 (Invited)
533. J. Yang, M. He, H. Lu, Z. Li, and C. Yu, “Chromatic dispersion monitoring of DQPSK and D8PSK signals based on delay-tap sampling technique,” International Conference on Communications Systems (ICCS) 2010, paper PM1-2-1-4, pp. 1-5, Singapore, November 17-19, 2010
534. Z. Li, L. Cheng, C. Lu, and C. Yu, “A novel dispersion monitoring scheme by evaluating eye diagram for 100Gbit/s CS-RZ DQPSK systems,” International Conference on Communications Systems (ICCS) 2010, paper PM1-2-1-2, pp. 1-5, Singapore, November 17-19, 2010
535. C. Yu, P.Y. Kam, S. Zhang, and J. Chen, “Phase estimation in coherent communication systems with semiconductor laser noises,” Photonics Asia 2010, Paper 7844-19, pp. 1-10, Beijing, China, October 18-20, 2010 (Invited)
536. H. Lu, S. Zhang, C. Yu, and P.Y. Kam, “Impact of amplifier beat and nonlinear phase noises on coherent optical communication system,” 9th International Conference on Optical Communications and Networks (ICOCN) 2010, pp. 294-298, Nanjing, China, October 24-27, 2010
537. S. Zhang, C. Yu, P.Y. Kam, and J. Chen, “Performance comparison between decision-aided maximum likelihood and adaptive decision-aided phase estimation,” 9th International Conference on Optical Communications and Networks (ICOCN) 2010, pp. 253-257, Nanjing, China, October 24-27, 2010
538. S. Zhang, L. Xu, P. Y. Kam, C. Yu, and T. Wang, “Performance investigation of the joint SPM compensation in a long-haul coherent dual-polarization QPSK system,” Europe Conference on Optical Communication (ECOC) 2010, Paper P3.15, pp. 1-3, Torino, Italy, September 19-23, 2010
539. C. Yu, J. Yang and J. Hu, “Nonlinear fiber based processing for high speed optical communication and sensor systems,” IEEE Photonics Society Summer Topical Meetings (SUM) 2010, Paper TuC2-3, pp. 1-2, Playa del Carmen, Riviera Maya, Mexico, July 19-21, 2010 (Invited)
540. J. Yang, C. Yu, L. Cheng, Z. Li, and C. Lu, “PMD insensitive CD monitoring based on RF power ratio in D8PSK and DQPSK systems,” 9th International Conference on Optical Internet (COIN) 2010, Paper TuC3-3, pp. 1-4, Jeju, Korea, July 11-14, 2010
541. C. Yu, P.Y. Kam, S. Zhang and J. Chen, “Decision-aided maximum likelihood phase estimation in coherent communication systems,” OptoElectronics and Communications Conference (OECC) 2010, Paper 9B3-1, pp. 1-2, Sapporo, Japan, July 5-9, 2010 (Invited)
542. Z. Li, C. Yu, L. Cheng, L.F.K. Lui, C. Lu, A.P.T. Lau, H.Y. Tam, and P.K.A. Wai, “Stable photonic RF phase shifter based on a polarization sensitive optical phase modulator,” OptoElectronics and Communications Conference (OECC) 2010, Paper 6D2-6, pp. 1-2, Sapporo, Japan, July 5-9, 2010
543. S. Zhang, C. Yu, P.Y. Kam, and J. Chen, “Optimizing the performance of normalized least-mean square phase estimation for digital coherent receivers,” OptoElectronics and Communications Conference (OECC) 2010, Paper 7P-16, pp. 1-2, Sapporo, Japan, July 5-9, 2010
544. H. Zhang, S. Zhang, P.Y. Kam, C. Yu, and J. Chen, “Optimized phase error tolerance of 16-star quadrature amplitude modulation in coherent optical communication systems,” OptoElectronics and Communications Conference (OECC) 2010, Paper 8P-15, pp. 1-2, Sapporo, Japan, July 5-9, 2010
545. Y. Yu, H. Zhang, and C. Yu, “107-Gb/s WDM DQPSK Systems with 50 GHz Channel Spacing by Low-Crosstalk Demodulators,” OptoElectronics and Communications Conference (OECC) 2010, Paper 7P-23, pp. 1-2, Sapporo, Japan, July 5-9, 2010
546. S. Shen, A.P.T. Lau, and C. Yu, “Joint nonlinear parameters and OSNR monitoring for DSP-based coherent systems,” OptoElectronics and Communications Conference (OECC) 2010, Paper 7P-20, pp. 1-2, Sapporo, Japan, July 5-9, 2010
547. J. Hu, Z. Chen, X. Yang, J. Ng, and C. Yu, “100-km long distance FBG vibration sensor,” 2nd Asia-Pacific Optical Sensors Conference (APOS) 2010, Paper P0093, pp. 1-2, Guangzhou, China, June 28-30, 2010
548. C. Yu, “High speed optical pulse train generation and measurement in optical fiber communication systems,” International High Speed Intelligent Communication Forum (HSIC) 2010, Paper TR74.6, pp. 1-2, Singapore, May 13-14, 2010 (Invited)
549. J. Yang, and C. Yu, “Broadband multi-wavelength light source generation using a single phase modulator in a loop,” Conference on Lasers and Electro-Optics (CLEO) 2010, Paper JThE56, pp. 1-2, San Jose, CA, USA, May 16-21, 2010
550. J. Yang, C. Yu, L. Cheng, Z. Li, C. Lu, A.P.T. Lau, H.Y. Tam, and P.K.A. Wai, “CD insensitive PMD monitoring by using FBG notch filter in 57-Gbit/s D8PSK and 38-Gbit/s DQPSK systems,” Conference on Lasers and Electro-Optics (CLEO) 2010, Paper CThDD4, pp. 1-2, San Jose, CA, USA, May 16-21, 2010
551. S. Zhang, P. Y. Kam, C. Yu, and J. Chen, “Frequency offset estimation using a Kalman filter in coherent optical phase-shift keying systems,” Conference on Lasers and Electro-Optics (CLEO) 2010, Paper CFC1, pp. 1-2, San Jose, CA, USA, May 16-21, 2010
552. S. Zhang, L. Xu, J. Yu, M.-F. Huang, P. Y. Kam, C. Yu, and T. Wang, “Novel ultra wide-range frequency offset estimation for digital coherent optical receiver,” Conference on Optical Fiber Communication (OFC) 2010 , Paper OMK1, pp. 1-3, San Diego, CA, USA, March 21-25, 2010
553. S. Zhang, L. Xu, J. Yu, P. Y. Kam, C. Yu, and T. Wang, “Experimental demonstration of decision-aided maximum likelihood phase estimation in 8-channel 42.8-Gbit/s DWDM coherent PolMux-QPSK system,” Conference on Optical Fiber Communication (OFC) 2010, Paper OWV3, pp. 1-3, San Diego, CA, USA, March 21-25, 2010
554. J. Yang, K.W.L. Chee, and C. Yu, “CD insensitive PMD monitoring for different modulation formats based on RF tone power measurement using an FBG notch filter,” 7th International Conference on Information, Communications and Signal Processing (ICICS) 2009, Paper P0727, pp. 1-5, Macau, December 8-10, 2009 (Best Student Paper Award)
555. S. Zhang, J. Chen, C. Yu, W. Rong, and P. Y. Kam, “ADC bandwidth optimization in coherent optical polarization multiplexing quadrature phase-shift keying system,” Asia Communications and Photonics Conference and Exhibition (ACP) 2009 , Paper FC3, pp. 1-6, Shanghai, China, November 2-6, 2009
556. J. Hu, Z. Chen, X. Yang, J. Ng, C. Yu, “Long distance fiber Bragg grating sensor system based on Erbium-doped fiber and Raman amplification,” Asia Communications and Photonics Conference and Exhibition (ACP) 2009, Paper TuC5, pp. 1-6, Shanghai, China, November 2-6, 2009 (Best Student Presentation Award Honorable Mention)
557. J. Yang, J. Hu, C. Yu, Y.K. Yeo, and Y. Wang, “Multi-channel 80-GHz pulse train generation based on four-wave mixing in highly nonlinear fiber,” OptoElectronics and Communications Conference (OECC) 2009, Paper TuA5, pp. 1-2, Hong Kong, July 13-17, 2009 (Certificate of Merits)
558. J. Hu, C. Yu, “An improved autocorrelation technique based on the degree-of-polarization measurement,” OptoElectronics and Communications Conference (OECC) 2009, Paper ThM4, pp. 1-2, Hong Kong, July 13-17, 2009
559. J. Yang, J. Hu, C. Yu, Y.K. Yeo, and Y. Wang, “80-GHz multi-channel RZ pulse train generation based on XPM and FWM in a nonlinear optical loop mirror,” 5th International Conference on Materials for Advanced Technologies (ICMAT) 2009, Paper P-S5.03, pp. 1-3, Singapore, June 28-July 3, 2009
560. J. Yang, C. Yu, Z. Chen, J. Ng, and X. Yang, “Polarization insensitivity optic distributed strain sensing system based on stimulated Brillouin scattering,” 5th International Conference on Materials for Advanced Technologies (ICMAT) 2009, P-S10.12, pp. 1-3, Singapore, June 28-July 3, 2009 (Best Paper Award)
561. X. Li, S. Zhang, C. Yu, and P. Y. Kam, “Pilot decision-aided maximum likelihood phase estimation in coherent optical QPSK and 8PSK systems with nonlinear phase noise,” Conference on Lasers and Electro-Optics (CLEO) 2009, Paper CMZ4, pp. 1-2, Baltimore, MD, USA, May 31-June 5, 2009
562. S. Zhang, P. Y. Kam, and C. Yu, “Block length effect of decision-aided maximum likelihood phase estimation in coherent optical communication systems,” Conference on Lasers and Electro-Optics (CLEO) 2009, Paper CMZ3, pp. 1-2, Baltimore, MD, USA, May 31-June 5, 2009
563. S. Zhang, P.Y. Kam, J. Chen, and C. Yu, “A comparison of phase estimation in coherent optical PSK system,” IEEE Photonics Global Conference (PGC) 2008, Paper C3-4A-03, Singapore, December 8-11, 2008
564. G.J. Pendock, W. Shieh, X. Yi, and C. Yu, “Measuring dispersion in WDM links with modulated background ASE,” OptoElectronics and Communications Conference (OECC) 2008, Paper WeK-2, pp. 1-2, Sydney, Australia, July 7-10, 2008
565. S. Zhang, P.Y. Kam, J. Chen, and C. Yu, “Adaptive decision-aided maximum likelihood phase estimation in coherent optical DQPSK system,” OptoElectronics and Communications Conference (OECC) 2008, Paper TuA-4, pp. 1-2, Sydney, Australia, July 7-10, 2008
566. S. Zhang, P.Y. Kam, J. Chen, and C. Yu, “Receiver sensitivity improvement using decision-aided maximum likelihood phase estimation in coherent optical DQPSK system with nonlinear phase noise,” Conference on Lasers and Electro-Optics (CLEO) 2008, Paper CthJJ2, pp. 1-2, San Jose, CA, USA, May 4-9, 2008
567. C. Yu, “Optical short pulse generation and measurement based on fiber polarization effects,” 17th Wireless and Optical Communications Conference (WOCC) 2008, Paper Optical-11, pp. 66, Taichung, Taiwan, April 23-24, 2008 (Invited)
568. J. Yang, C. Yu, Z. Chen, J. Ng, and X. Yang, “Suppression of polarization sensitivity in BOTDA fiber distributed sensing system,” 19th International Conference on Optical Fibre Sensors (OFS) 2008, Proceedings of SPIE, vol. 7004, Paper 700421, pp. 1-4, Perth, Australia, April 14-18, 2008
569. C. Yu, G.J. Pendock, X. Yi, and W. Shieh, “Dispersion measurement through WDM systems with modulated background ASE,” Conference on Optical Fiber Communication (OFC) 2008, Paper JWA29, pp. 1-3, San Diego, CA, USA, February 24-28, 2008
570. C. Yu, J. Yang, Z. Li, and Y. Wang, “Multi-channel 160-GHz pulse generator using a 40-GHz phase modulator and two stages of PM fiber,” 6th International Conference on Information, Communications and Signal Processing (ICICS) 2007, Paper P0848, pp. 1-4, Singapore, December 10-13, 2007
571. C. Yu, Z. Li, J. Yang and Y. Wang, “Multi-channel high-speed optical pulse train generation based on phase modulation at half frequency,” Conference on Lasers and Electro-Optics (CLEO) 2007, Paper CMJJ7, pp. 1-2, Baltimore, MD, USA, May 6-11, 2007
572. Z. Li, Y.J. Wen, C. Yu, W. Rong, Y. Wang, and T.H. Cheng, “Optimizing Raman/EDFA hybrid amplifier based on dual-order stimulated Raman scattering of a single pump,” Conference on Lasers and Electro-Optics (CLEO) 2007, Paper JTuA63, pp. 1-2, Baltimore, MD, USA, May 6-11, 2007
573. Y. Dong, Z. Li, C. Yu, Y.J. Wen, Y. Wang, C. Lu, W. Hu and T.H. Cheng, “Generation of multi-channel short-pulse sources using nonlinear optical loop mirror based on photonic crystal fiber,” Conference on Optical Fiber Communication (OFC) 2007, Paper JWA9, pp. 1-3, Anaheim, CA, USA, March 25-29, 2007
574. C. Yu, “Applications of fiber nonlinearities in high-speed WDM optical communication systems,” 15th Wireless and Optical Communications Conference (WOCC) 2006, Paper PS-4-2, pp. 1, Hangzhou, China, October 12-13, 2006 (Invited)
575. Z. Zhu, A.M.C. Dawes, D. Gauthier, M.D. Stenner, M.A. Neifeld, T. Luo, C. Yu, L. Zhang, and A.E. Willner, “Recent advances in stimulated Brillouin scattering slow light,” OSA Topical Meeting on Slow and Fast Light, Paper TuB1, pp. 1, Washington D.C., USA, July 23-26, 2006 (Invited)
576. Z. Pan, S. Chandel, and C. Yu, “160 GHz optical pulse generation using a 40 GHz phase modulator and two stages of delayed MZ interferometers,” Conference on Lasers and Electro-Optics (CLEO) 2006, Paper CFP2, pp. 1-2, Long Beach, CA, USA, May 21-26, 2006
577. C. Yu, L. Xu, and T. Wang, “>Six-times the transmission distance over standard single-mode fiber for 10-Gb/s directly-modulated system by off-center filtering and electronic equalization,” Conference on Lasers and Electro-Optics (CLEO) 2006, Paper CMNN4, pp. 1-2, Long Beach, CA, USA, May 21-26, 2006
578. T. Luo, L. Zhang, W. Zhang, C. Yu, S. Hu, and A.E. Willner, “Reduction of pattern dependent distortion on data in an SBS-based slow light fiber element by detuning the channel away from the gain peak,” Conference on Lasers and Electro-Optics (CLEO) 2006, Paper CThCC4, pp. 1-2, Long Beach, CA, USA, May 21-26, 2006
579. C. Yu, L. Xu, E. Ip, P.N. Ji, T. Wang, S. Murakami, Y. Yano, and T. Tajima, “Comparison of modulation formats for 40-Gbit/s DWDM optical fiber transmission systems with 50-GHz channel spacing,” IEEE Sarnoff Symposium 2006, Paper S4.5, pp. 1-4, Princeton, NJ, USA, March 27-28, 2006
580. L. Zhang, T. Luo, W. Zhang, C. Yu, Y. Wang, and A.E. Willner, “Optimizing operating conditions to reduce data pattern dependence induced by slow light elements,” Conference on Optical Fiber Communication (OFC) 2006, Paper OFP7, pp. 1-3, Anaheim, CA, USA, March 5-10, 2006
581. A.E. Willner, L. Zhang, T. Luo, C. Yu, W. Zhang, and Y. Wang, “Data bit distortion induced by slow light in optical communication systems,” SPIE Photonics West ‘06, Proceedings of SPIE, vol. 6130, pp. 175-182, San Jose, CA, USA, January 21-26, 2006 (Invited)
582. C. Yu, T. Luo, L. Zhang, and A.E. Willner, “Distortion effects on data pulses in a slow light tunable delay line due to stimulated Brillouin scattering in a highly nonlinear fiber,” Europe Conference on Optical Communication (ECOC) 2005, Paper Mo4.5.2, pp. 1-2, Glasgow, Scotland, September 25-29, 2005
583. T. Luo, C. Yu, L.-S. Yan, S. Kumar, Z. Pan, A.E. Willner, and S. Yao, “Simple autocorrelation technique by tuning a DGD element and measuring a pulse's degree-of-polarization,” Europe Conference on Optical Communication (ECOC) 2005, Paper We2.3.3, pp. 1-2, Glasgow, Scotland, September 2005
584. Y. Wang, C. Yu, L.-S. Yan, A.E. Willner, R. Roussev, C. Langrock, and M.M. Fejer, “Continuously-tunable dispersionless 44-ns all optical delay element using a two-pump PPLN, DCF, and a dispersion compensator,” Europe Conference on Optical Communication (ECOC) 2005, Paper Th1.3.3, pp. 1-2, Glasgow, Scotland, September 25-29, 2005
585. L.-S. Yan, X Yao, L. Lin, Z. Chen, C. Yu, Y. Wang, and A.E. Willner, “<1-ms highly-repeatable polarization-state generator and analyzer for 40-Gb/s system performance monitoring,” Europe Conference on Optical Communication (ECOC) 2005, Paper Th3.2.3, pp. 1-2, Glasgow, Scotland, September 25-29, 2005
586. L. Zhang, T. Luo, L. Yan, Y. Wang, C. Yu, and A.E. Willner, “Periodic dispersion compensation induced by photo-sensitivity for achieving quasi-phase matching in holey fibers,” Conference on Lasers and Electro-Optics (CLEO) 2005, Paper JWB49, pp. 1-2, Baltimore, MD, USA, May 22-27, 2005
587. C. Yu, T. Luo, B. Zhang, Z. Pan, M. Adler, Y. Wang, J.E. McGeehan, and A.E. Willner, “3R regeneration of a 40-Gbit/s optical signal by optical parametric amplification in a highly-nonlinear fiber,” Conference on Optical Fiber Communication (OFC) 2005 , Paper OTuO1, pp. 1-3, Anaheim, CA, USA, March 6-11, 2005
588. C. Yu, Z. Pan, T. Luo, S. Kumar, L.-S. Yan, B. Zhang, L. Zhang, Y. Wang, M. Adler, and A.E. Willner, “160-GHz pulse generator using a 40-GHz phase modulator and PM fiber,” Conference on Optical Fiber Communication (OFC) 2005 , Paper OThR5, pp. 1-3, Anaheim, CA, USA, March 6-11, 2005
589. T. Luo, Z. Pan, C. Yu, L.-S. Yan, S. Kumar, B. Zhang, M. Adler, A.E. Willner, and S. Yao, “Optical-fiber-based autocorrelation technique using a tunable DGD element and highly-nonlinear fiber,” Conference on Optical Fiber Communication (OFC) 2005, Paper OFH6, pp. 1-3, Anaheim, CA, USA, March 6-11, 2005
590. L.-S. Yan, T. Lu, B. Zhang, C. Yu, D. Yevick, and A.E. Willner, “Fiber transmission system application and limitation of multicanonical sampling in PMD emulation,” Conference on Optical Fiber Communication (OFC) 2005, Paper OThT4, pp. 1-3, Anaheim, CA, USA, March 6-11, 2005
591. Z. Pan, A.E. Willner, C. Yu, and Y. Wang, “Applications of highly nonlinear fiber in WDM communications systems,” OSA/SPIE Optics in the Southeast 2004, Paper D2, pp. 1, Charlotte, NC, USA, November 4-5, 2004 (Invited)
592. C. Yu, Z. Pan, T. Luo, Y. Wang, L. Christen, and A.E. Willner, “40-GHz RZ and CS-RZ pulse generation using a phase modulator and PM fiber,” Europe Conference on Optical Communication (ECOC) 2004, Paper We.4.P.125, pp. 1-2, Stockholm, Sweden, September 5-9, 2004
593. L.-S. Yan, Y. Wang, B. Zhang, C. Yu, J. McGeehan, L. Paraschis, and A.E. Willner, “1,400 km transmission using a directly modulated DFB Laser and optical sideband filtering in an 8x10 Gb/s WDM system,” Europe Conference on Optical Communication (ECOC) 2004, Paper Mo4.5.7, pp. 1-2, Stockholm, Sweden, September 5-9, 2004
594. C. Yu, L.-S. Yan, T. Luo, Y. Wang, Z. Pan, and A.E. Willner, “Width-tunable optical pulse generation based on four-wave mixing in highly-nonlinear fiber,” Conference on Lasers and Electro-Optics (CLEO) 2004, Paper CTuN4, pp. 1-2, San Francisco, CA, USA, May 16-21, 2004
595. C. Yu, L. Christen, T. Luo, Y. Wang, Z. Pan, L.-S. Yan, and A.E. Willner, “All-optical XOR gate based on Kerr effect in single highly-nonlinear fiber,” Conference on Lasers and Electro-Optics (CLEO) 2004, Paper CFA4, pp. 1-2, San Francisco, CA, USA, May 16-21, 2004
596. Y. Wang, C. Yu, T. Luo, Z. Pan, L.-S. Yan, and A.E. Willner, “Tunable all-optical wavelength conversion and wavelength multicasting using orthogonally-polarized fiber FWM,” Conference on Lasers and Electro-Optics (CLEO) 2004, Paper CFA6, pp. 1-2, San Francisco, CA, USA, May 16-21, 2004
597. L.-S. Yan, Y. Wang, B. Zhang, C. Yu, J. McGeehan, L. Paraschis, and A.E. Willner, “Reach extension in 10-Gb/s directly modulated systems using narrow-band partial optical filtering,” Conference on Lasers and Electro-Optics (CLEO) 2004, Paper CWA18, pp. 1-2, San Francisco, CA, USA, May 16-21, 2004
598. T. Luo, C. Yu, L.-S. Yan, Z. Pan, Y. Wang, Y.W. Song, and A.E. Willner, “Polarization-insensitive single-pump optical parametric amplifier by depolarization of the pump,” Conference on Optical Fiber Communication (OFC) 2004, Paper TuC1, pp. 1-3, Los Angeles, CA, USA, February 22-27, 2004
599. T. Luo, C. Yu, Z. Pan, Y. Wang, Y. Arieli, and A.E. Willner, “Chromatic-dispersion-insensitive DGD monitoring by adding a frequency-shifted carrier along the orthogonal polarization state,” IEEE LEOS Annual Meeting2003, Paper TuA4, pp. 1-2, Tucson, AZ, USA, October 26-30, 2003
600. C. Yu, Y. Wang, T. Luo, Z. Pan, S.M.R. Motaghian Nezam, A.B. Sahin, and A.E. Willner, “Chromatic-dispersion-insensitive PMD monitoring for NRZ data based on clock power measurement using a narrowband FBG notch filter,” Europe Conference on Optical Communication (ECOC) 2003, Paper Tu4.2.3, pp. 1-2, Rimini, Italy, September 21-25, 2003
601. Y. Wang, Z. Pan, C. Yu, T. Luo, A. Sahin, and A.E. Willner, “A multi-wavelength optical source based on supercontinuum generation using phase and intensity modulation at the line-spacing rate,” Europe Conference on Optical Communication (ECOC) 2003, Paper Th3.2.4, pp. 1-2, Rimini, Italy, September 21-25, 2003
602. C. Yu, Z. Pan, Y. Wang, Y.W. Song, D. Gurkan, M.C. Hauer, D. Starodubov, and A.E. Willner, “Polarization-insensitive four-wave mixing wavelength conversion using a fiber Bragg grating and a Faraday rotator mirror,” Conference on Optical Fiber Communication (OFC) 2003, Paper WG2, pp. 1-3, Atlanta, GA, USA, March 23-28, 2003
603. Y. Wang, Z. Pan, A.B. Sahin, L.-S. Yan, C. Yu, and A.E. Willner, “In-line chromatic dispersion monitoring using optically-added phase-modulated in-band tones For 10 Gb/s system,” Conference on Optical Fiber Communication (OFC) 2003, Paper WP3, pp. 1-3, Atlanta, GA, USA, March 23-28, 2003
604. Z. Pan, Y.W. Song, C. Yu, Y. Wang, J. Popelek, H. Li, Y. Li, and A.E. Willner, “Tunable dispersion compensation in a 4´40-Gb/s system using sampled nonlinearly-chirped fiber Bragg gratings (NG-FBGs),” Europe Conference on Optical Communication (ECOC) 2002, Paper 10.3.2, pp. 1-2, Copenhagen, Denmark, September 8-12, 2002
605. Y.W. Song, Z. Pan, C. Yu, Y. Wang, J. Popelek, H. Li, Y. Li, and A.E. Willner, “Error-free tunable dispersion slope compensation for 40-Gb/s WDM Systems using nonchannelized 3rd-order chirped fiber Bragg gratings,” Europe Conference on Optical Communication (ECOC) 2002, Paper 6.2.1, pp. 1-2, Copenhagen, Denmark, September 8-12, 2002
606. C. Yu, Q. Yu, Z. Pan, A.B. Sahin, and A.E. Willner, “Optical compensation of PMD-induced power fading for single sideband subcarrier-multiplexed Systems,” Conference on Optical Fiber Communication (OFC) 2002, Paper WQ5, pp. 1-3, Anaheim, CA, USA, March 17-22, 2002
607. Z. Pan, Y. Wang, C. Yu, T. Luo, A.B. Sahin, Q. Yu, and A.E. Willner, “Intra-bit polarization diversity modulation for PMD mitigation,” Europe Conference on Optical Communication (ECOC) 2001, Paper We.P.37, pp. 1-2, Amsterdam, Netherlands, September 30-October 4, 2001
608. C. Yu, M.R. Wang, and A.J. Varela, “High-efficiency non-diffracting beam shaping using a diffractive element,” OSA Annual Meeting 1999, Paper TuFF6, pp. 1, San Jose, CA, USA, September 26-October 1, 1999
609. C. Yu, M.R. Wang, and A.J. Varela, “High density non-diffracting beam array for optical interconnection,” OSA Annual Meeting 1999, Paper TuQQ4, pp. 1, San Jose, CA, USA, September 26-October 1, 1999
循光而行 通達(dá)萬(wàn)里
——記香港理工大學(xué)教授余長(zhǎng)源
2023-11-28
從中國(guó)古籍中記載的小孔成像實(shí)驗(yàn),到西方愛因斯坦重新確立光的波粒二象性,人類對(duì)光的追逐與探索從未間斷,且隨著科學(xué)進(jìn)步蓬勃發(fā)展。以至于自1901年以來(lái)的114項(xiàng)諾貝爾物理學(xué)獎(jiǎng)中有47項(xiàng)與光子學(xué)有關(guān)。如今,光子學(xué)研究已經(jīng)涉及從基礎(chǔ)科學(xué)到幾乎所有的工程應(yīng)用,光纖通信便是其中一個(gè)十分活躍的領(lǐng)域,不僅為現(xiàn)代互聯(lián)網(wǎng)的誕生發(fā)展鋪設(shè)了信息高速公路,也衍生出了光纖傳感等應(yīng)用。
▲余長(zhǎng)源
2022年11月8日,美國(guó)光學(xué)學(xué)會(huì)(Optica/OSA)發(fā)布了2023年度新當(dāng)選會(huì)士(Fellow)名單,來(lái)自全球24個(gè)國(guó)家和地區(qū)的109位學(xué)者入選。香港理工大學(xué)教授余長(zhǎng)源榜上有名。作為長(zhǎng)期致力于集成光電器件、光纖傳感、光纖通信系統(tǒng)與網(wǎng)絡(luò)及光電生物醫(yī)療儀器研究的學(xué)者,他的當(dāng)選理由,正是為光纖通信和傳感系統(tǒng)中的信號(hào)處理作出了重大貢獻(xiàn)且積極服務(wù)于光學(xué)界。循光而行,從中國(guó)到美國(guó),從新加坡再回到中國(guó),立足香港,無(wú)論寬闊大道,還是蜿蜒山路,余長(zhǎng)源始終不懈追尋,技術(shù)應(yīng)用因此遍地開花、通達(dá)萬(wàn)里。
恩師指引,踏上追光之路
余長(zhǎng)源是福建人,父母與中小學(xué)老師開明,成長(zhǎng)環(huán)境寬松自由。少年時(shí)期,他考入福州一中就讀,成績(jī)名列前茅,同時(shí)入選數(shù)學(xué)和物理奧林匹克競(jìng)賽福建省集訓(xùn)隊(duì),最終憑借優(yōu)異的表現(xiàn)保送清華大學(xué)現(xiàn)代應(yīng)用物理系,也與幾位志同道合的伙伴成為終身?yè)从选男∮嚅L(zhǎng)源心目中最閃光的英雄就是物理學(xué)家楊振寧和李政道。求知若渴的他在本科學(xué)習(xí)期間還選修了企業(yè)管理的經(jīng)濟(jì)學(xué)雙學(xué)位。他早早認(rèn)識(shí)到科技在社會(huì)經(jīng)濟(jì)生產(chǎn)中的重要作用,堅(jiān)定了要走科研路的決心。“很感謝我的本科畢業(yè)論文導(dǎo)師朱嘉麟教授,在他的指導(dǎo)下,我了解了關(guān)于半導(dǎo)體物理與激光基本理論,完成了關(guān)于‘Ⅱ-Ⅵ半導(dǎo)體量子點(diǎn)中的激子’的論文,并對(duì)此產(chǎn)生了興趣。”提起恩師,余長(zhǎng)源充滿感激。
1997年從清華大學(xué)畢業(yè)后,余長(zhǎng)源赴美留學(xué)。在美國(guó)邁阿密大學(xué)電子與計(jì)算機(jī)工程系,他跟隨麥克·R.王(Michael R. Wang)教授研究光電器件,開始與“光”有了更為深入的接觸。1999年碩士畢業(yè)后,他進(jìn)入南加州大學(xué)電子工程系讀博,師從國(guó)際光纖通信領(lǐng)域的著名專家,美國(guó)工程院院士、光學(xué)學(xué)會(huì)主席艾倫·E.維爾納(Alan E.Willner)教授,于2005年獲得博士學(xué)位。由此,他完成了從半導(dǎo)體與激光基礎(chǔ)理論到光電器件再到光纖通信系統(tǒng)一段完整的光電信息科技的學(xué)習(xí)經(jīng)歷,“光”成為他接下來(lái)生命里一直追逐的目標(biāo)。
在世界光纖通信史上,1966年是一個(gè)重要年份。彼時(shí)的華人科學(xué)家、后來(lái)的諾貝爾獎(jiǎng)得主高錕博士在這年發(fā)表了一篇?jiǎng)潟r(shí)代性的論文,他在文章中提出低損耗的石英玻璃光學(xué)纖維可望作為通信媒質(zhì),從此開創(chuàng)了光纖通信研究領(lǐng)域。此后半個(gè)多世紀(jì),如何讓光更快、更遠(yuǎn)、更準(zhǔn)地傳遞信息的問(wèn)題,引得無(wú)數(shù)科研人員嘔心瀝血,投身于光纖通信技術(shù)躍遷的浩蕩發(fā)展史。隨著摻鉺光纖放大器(EDFA)和波分復(fù)用系統(tǒng)(WDM)的普及,光纖通信容量每10年增長(zhǎng)100倍,以光纖通信為主干網(wǎng)的互聯(lián)網(wǎng)讓信息的傳播無(wú)遠(yuǎn)弗屆,徹底改變世界。余長(zhǎng)源攻讀博士期間,正值光纖通信由單波長(zhǎng)10Gb/s向40Gb/s及更大容量發(fā)展的關(guān)鍵時(shí)期。“維爾納教授所帶領(lǐng)的研究組是當(dāng)時(shí)美國(guó)非常重要也是規(guī)模最大的光纖通信研究組之一,我跟隨教授及師兄師姐學(xué)習(xí)了幾年,做了一系列有關(guān)高速可重構(gòu)波分復(fù)用光纖通信系統(tǒng)中的色散和非線性效應(yīng)研究。”基于這些科研成果,余長(zhǎng)源獲得了2004年度國(guó)際電氣電子工程師協(xié)會(huì)(IEEE)光電學(xué)會(huì)優(yōu)秀博士生獎(jiǎng),成為當(dāng)年的12名獲獎(jiǎng)人之一。
▲在美國(guó)南加州大學(xué)的博士畢業(yè)典禮上,余長(zhǎng)源(左二)與恩師、父母合影
博士畢業(yè)后,余長(zhǎng)源短暫地在日本電氣公司(NEC)美國(guó)研究所任訪問(wèn)研究員,2005年年底,他加入新加坡國(guó)立大學(xué)電子與計(jì)算機(jī)工程系任教,擔(dān)任光電系統(tǒng)研究小組創(chuàng)始負(fù)責(zé)人及博士生導(dǎo)師。新加坡給予年輕導(dǎo)師充足的經(jīng)費(fèi)支持,在這里,余長(zhǎng)源也兼任新加坡科技研究局資訊通信研究院高級(jí)研究員,并于2007年任澳大利亞墨爾本大學(xué)訪問(wèn)教授。10年耕耘,碩果累累,他的團(tuán)隊(duì)先后多次獲得國(guó)際會(huì)議最佳論文獎(jiǎng)。他也積極開展與中國(guó)內(nèi)地的科研合作,并參與了新加坡國(guó)立大學(xué)蘇州研究院的籌建工作。經(jīng)新加坡國(guó)立大學(xué)蘇州研究院推薦,在2014年中國(guó)創(chuàng)新創(chuàng)業(yè)大賽中,他與同事及學(xué)生將研發(fā)與市場(chǎng)相結(jié)合,憑借項(xiàng)目“基于光纖傳感的智能健康監(jiān)測(cè)系統(tǒng)與應(yīng)用”,打敗來(lái)自五湖四海的上萬(wàn)名競(jìng)爭(zhēng)對(duì)手,獲得生物醫(yī)學(xué)領(lǐng)域全國(guó)冠軍,被人民網(wǎng)、《科技日?qǐng)?bào)》和江蘇電視臺(tái)等官方媒體報(bào)道。
2015年,為與移居香港的父母團(tuán)聚,也被香港背靠?jī)?nèi)地、地處科研與產(chǎn)業(yè)雙優(yōu)的大灣區(qū)科創(chuàng)環(huán)境所吸引,余長(zhǎng)源正式加入香港理工大學(xué)電子與資訊工程學(xué)系任教授。“有賴政策支持,我不僅可以申請(qǐng)香港的資金,還可以申請(qǐng)國(guó)家自然科學(xué)基金,科技部、廣東省的基金。香港理工大學(xué)在深圳也設(shè)有研究院,我跟內(nèi)地同行展開了不少合作研究。從國(guó)家層面到地方政府,都給了我堅(jiān)實(shí)的支持。”對(duì)于過(guò)往,余長(zhǎng)源非常感恩——“自進(jìn)入光纖通信研究領(lǐng)域以來(lái),互聯(lián)網(wǎng)信息量成倍地增長(zhǎng),對(duì)通信技術(shù)不斷提出更高的要求,這就需要從業(yè)者持續(xù)學(xué)習(xí),迭代自己的技術(shù)儲(chǔ)備,創(chuàng)新不止。我幸運(yùn)的地方在于,一路都在世界前沿的研究院所工作,有足夠的支持,能夠更清晰地感知潮流變化并投身其中。我招收的研究生,所帶領(lǐng)的團(tuán)隊(duì)成員也很優(yōu)秀,大家可以齊心協(xié)力,快速地向前發(fā)展。”
這些年林林總總下來(lái),余長(zhǎng)源已經(jīng)主持/共同主持50多個(gè)研究項(xiàng)目,從中國(guó)香港、中國(guó)內(nèi)地,新加坡、美國(guó)和澳大利亞獲得超過(guò)1000萬(wàn)美元的資金,并先后指導(dǎo)了20余名博士后研究員和40余名博士生。他撰寫/合著了6個(gè)書籍章節(jié)及600余篇期刊/會(huì)議論文(包括100余篇國(guó)際學(xué)術(shù)會(huì)議的主題/邀請(qǐng)報(bào)告,比如美國(guó)光纖通信會(huì)議OFC)。此外,他還曾服務(wù)于100余個(gè)國(guó)際會(huì)議的組委會(huì)或技術(shù)委員會(huì),以及新加坡政府電信標(biāo)準(zhǔn)咨詢委員會(huì),為光學(xué)界持續(xù)貢獻(xiàn)了創(chuàng)新力量。
共謀發(fā)展,弄潮光纖通信
從幾何光學(xué)角度來(lái)說(shuō),由于全內(nèi)反射的效應(yīng),光可以在光纖內(nèi)往返曲折地向前傳輸成千上萬(wàn)公里。因其帶寬非常寬,可攜帶大量信息,在互聯(lián)網(wǎng)高速發(fā)展的今天,全球光纖正以超音速(每小時(shí)約1600公里)的速度部署。如此大量的信息傳輸,要求極低的誤碼率,如何運(yùn)用數(shù)學(xué)和物理方法,將干擾因素降低,將性能提升,是光纖通信研究要處理的問(wèn)題。
“一段時(shí)間里,光的調(diào)制主要以強(qiáng)度調(diào)制為主。困難在于,如果光探測(cè)器只能測(cè)光的強(qiáng)度,其相位信息就會(huì)全部丟失。若要測(cè)光的相位,還須在接收機(jī)那一端有另外的激光進(jìn)行干涉,把相位信息轉(zhuǎn)成強(qiáng)度信息,這個(gè)就叫相干接收機(jī)。有了相干接收機(jī)后,光通信系統(tǒng)就變成相干光通信系統(tǒng)。”余長(zhǎng)源解釋道。因公認(rèn)具有靈敏度高的優(yōu)勢(shì),各國(guó)相干光通信的理論和實(shí)驗(yàn)早在20世紀(jì)80年代就熱烈展開,但隨后因摻鉺光纖放大器發(fā)展的影響,歸于沉寂。然而當(dāng)時(shí)間來(lái)到2005年,互聯(lián)網(wǎng)普及,信息爆炸式增長(zhǎng),對(duì)作為整個(gè)通信系統(tǒng)基礎(chǔ)的物理層提出了更高的傳輸性能要求。傳統(tǒng)光通信系統(tǒng)頻譜效率有限,如何在現(xiàn)有設(shè)備基礎(chǔ)上提高光通信系統(tǒng)的容量與性能成為產(chǎn)業(yè)界和學(xué)術(shù)界面臨的切實(shí)問(wèn)題。
由此,20多年前曾被寄予厚望的相干光通信技術(shù),再次被人們想起來(lái)。余長(zhǎng)源和他的光電系統(tǒng)研究小組,成為相干光通信這一波研究的弄潮兒。“我們幸運(yùn)的地方在于,率先獲得新加坡科技研究局及教育部在這方面的科研資助,成為這一時(shí)期最早一批的研究者。為了解決在沒(méi)有光學(xué)鎖相環(huán)的情況下進(jìn)行載波恢復(fù)的關(guān)鍵難題,我和團(tuán)隊(duì)成員借用了無(wú)線通信的一些算法,還有成員發(fā)明了相位估計(jì)的新算法。這些成果在學(xué)界引起了廣泛反響,根據(jù)2016年加拿大科學(xué)院理事會(huì)的調(diào)查,我們關(guān)于相干光學(xué)系統(tǒng)數(shù)字載波恢復(fù)的論文引用量為領(lǐng)域內(nèi)的前1%。我指導(dǎo)的博士生中有6人因?yàn)檫@方面的研發(fā)成果獲得了博士學(xué)位。”
當(dāng)下,全球互聯(lián)網(wǎng)用戶規(guī)模已突破80億(超過(guò)人口總數(shù))。以香港為例,人均擁有超過(guò)3部終端電子設(shè)備上網(wǎng)。而根據(jù)研究,未來(lái)10~15年,全球光纖傳輸最大截面流量將達(dá)到1000 Tbps,單纖超過(guò)100 Tbps。用戶數(shù)量和網(wǎng)絡(luò)流量的迅猛增長(zhǎng)對(duì)現(xiàn)有光通信提出新的挑戰(zhàn)。P比特級(jí)(1000 Tbps)光傳輸系統(tǒng)與關(guān)鍵技術(shù)的研究被提上了日程。“美國(guó)、日本及歐洲,均已開始對(duì)基于少模多芯復(fù)用的高譜效率光傳輸系統(tǒng)展開研究,但是針對(duì)P比特傳輸系統(tǒng)的關(guān)鍵問(wèn)題尚未突破。尤其是正交模式關(guān)聯(lián)傳輸?shù)壤碚撋形闯墒臁?rdquo;在此背景下,余長(zhǎng)源帶領(lǐng)團(tuán)隊(duì)依托國(guó)家重點(diǎn)研發(fā)計(jì)劃“寬帶通信和新型網(wǎng)絡(luò)”重點(diǎn)專項(xiàng),針對(duì)關(guān)鍵科學(xué)問(wèn)題——少模多芯信號(hào)的正交關(guān)聯(lián)傳輸問(wèn)題、高譜效率P比特光信號(hào)的調(diào)制解調(diào)問(wèn)題、長(zhǎng)距離傳輸中的多通道信號(hào)損傷與聯(lián)合補(bǔ)償問(wèn)題進(jìn)行研究。預(yù)計(jì)基于DSP的高頻譜效率Nyquist強(qiáng)濾波,實(shí)現(xiàn)超密集載波復(fù)用;通過(guò)對(duì)星座圖的概率整形,提升高階信號(hào)的信噪比;解決單通道高譜效率光信號(hào)的抗噪聲問(wèn)題。
除了通信容量的增加,通信能耗問(wèn)題也日益突出。2020年通信能耗已占全球總能耗的5%,市場(chǎng)渴求更快的處理器和更高的帶寬傳輸。依托深圳自然科學(xué)基金重點(diǎn)基礎(chǔ)研究計(jì)劃,余長(zhǎng)源對(duì)面向數(shù)據(jù)中心的光互連系統(tǒng)及關(guān)鍵技術(shù)展開了研究。針對(duì)如何進(jìn)一步擴(kuò)展容量、如何進(jìn)一步降低成本、如何進(jìn)一步降低功耗的問(wèn)題進(jìn)行探索。目前,他正領(lǐng)導(dǎo)團(tuán)隊(duì)深入研發(fā)系列創(chuàng)新技術(shù),包括基于交錯(cuò)載波的雙偏振KK接收機(jī),實(shí)現(xiàn)雙偏振信息傳輸和接收;采用Kalman濾波器快速獲取偏振跟蹤信息;基于少模多芯光纖的矩陣式多域協(xié)同優(yōu)化光互連傳輸機(jī)理研究等。
在光纖通信領(lǐng)域,余長(zhǎng)源的貢獻(xiàn)還體現(xiàn)在光信號(hào)監(jiān)測(cè)、可見光通信、自由空間光學(xué)(FSO)系統(tǒng)的研究上,發(fā)表了一系列高質(zhì)量論文,被斯坦福大學(xué)評(píng)為全球前2%被引用次數(shù)最多的科學(xué)家,也多次獲得香港理工大學(xué)工程學(xué)院的優(yōu)秀科研學(xué)術(shù)獎(jiǎng)及科研經(jīng)費(fèi)成就獎(jiǎng)。值得一提的是,在自由空間光學(xué)系統(tǒng)上,他還帶領(lǐng)團(tuán)隊(duì)參與了我國(guó)空間站光學(xué)艙巡天望遠(yuǎn)鏡粵港澳大灣區(qū)科學(xué)中心的工作,助力我國(guó)航天事業(yè)的發(fā)展。此外,他積極跟產(chǎn)業(yè)界合作,參與了華為公司的長(zhǎng)距離相干光通信、短距離光互連、空間光無(wú)線通信系統(tǒng)等一系列重要研發(fā)項(xiàng)目,成績(jī)斐然,助力中國(guó)企業(yè)的崛起。
回首20世紀(jì)90年代,雖然已經(jīng)有華為、中興、武漢郵電科學(xué)研究院、北京郵電大學(xué)等這樣的企業(yè)、研究院所和高校在進(jìn)行自主研發(fā),但中國(guó)的光纖通信研究整體上仍然落后。然而“三十年河?xùn)|,三十年河西”,當(dāng)余長(zhǎng)源滿載碩果回到祖國(guó),這些中國(guó)的“追光者”已來(lái)到了技術(shù)追趕的最后階段,如今歷時(shí)近10年,在學(xué)術(shù)界和產(chǎn)業(yè)界的一道努力下,中國(guó)的光纖通信研究尤其是系統(tǒng)集成領(lǐng)域終于邁進(jìn)了與國(guó)際水平并行乃至引領(lǐng)的新紀(jì)元。余長(zhǎng)源十分慶幸親歷并見證了這段滔滔浪潮,不僅在其中貢獻(xiàn)了科研力量,也實(shí)現(xiàn)了自我的積淀與突破。
創(chuàng)新創(chuàng)業(yè),投身傳感與成像
學(xué)術(shù)研究外,余長(zhǎng)源也鼓勵(lì)他的學(xué)生在畢業(yè)后抓住時(shí)代機(jī)遇、創(chuàng)新創(chuàng)業(yè)。
當(dāng)光在光纖中傳播時(shí),在外界溫度、壓力、位移等因素作用下,光波的振幅、相位、偏振態(tài)等參量會(huì)直接或間接地發(fā)生變化,因而可將光纖作為敏感元件來(lái)探測(cè)各種物理量,催生了光纖傳感的發(fā)展。如何利用信號(hào)處理的方法,將光纖傳感性能做進(jìn)一步提升,是余長(zhǎng)源在光纖通信的研究之外嘗試的另一項(xiàng)重要研究工作。而且,對(duì)比光纖通信,光纖傳感對(duì)設(shè)備與資金投入的要求較小,是更適合初創(chuàng)公司的領(lǐng)域。
因?yàn)殡娊^緣、耐高溫、不受電磁干擾(EMI)影響、靈敏度高,集信息感知與傳輸功能于一體,光纖傳感器系統(tǒng)起初被用于高電壓、易燃易爆、高危特種行業(yè)安全生產(chǎn)監(jiān)測(cè)。早在新加坡工作期間,余長(zhǎng)源與資訊通信研究院的同事就開始嘗試光纖傳感在生物醫(yī)療領(lǐng)域的應(yīng)用,包括研發(fā)非侵入式的智能光纖健康監(jiān)測(cè)系統(tǒng):系統(tǒng)可實(shí)時(shí)監(jiān)測(cè)呼吸、心跳等多種生命體征,然后將信號(hào)傳輸?shù)街悄苁謾C(jī)和互聯(lián)網(wǎng),獲取用戶的坐姿、睡姿、睡眠階段和健康狀況等信息,最終構(gòu)建基于大數(shù)據(jù)的健康監(jiān)測(cè)平臺(tái)。基于光纖微彎損耗傳感技術(shù),余長(zhǎng)源的博士生胡俊浩在畢業(yè)后建立了硅谷初創(chuàng)公司(Darma.co),開發(fā)光纖傳感健康監(jiān)測(cè)的系統(tǒng)與平臺(tái)。谷歌創(chuàng)始人拉里·佩奇(Larry Page)在路演期間測(cè)試了產(chǎn)品原型,被美國(guó)廣播公司(ABC)等20多家美國(guó)媒體報(bào)道。
“香港理工大學(xué)的設(shè)備可以用于多種新型光纖的制造,在這里我繼續(xù)進(jìn)行光纖傳感的研究。”基于學(xué)校的硬件優(yōu)勢(shì)及多年光纖傳感技術(shù)的積淀,余長(zhǎng)源帶領(lǐng)團(tuán)隊(duì)制作了雙芯光纖干涉?zhèn)鞲猩w征監(jiān)測(cè)儀,從光的強(qiáng)度測(cè)量過(guò)渡到相位測(cè)量,得到更精準(zhǔn)的測(cè)量結(jié)果,并在《光電進(jìn)展》(Opto-Electronic Advances)發(fā)表了綜述文章。團(tuán)隊(duì)跟香港的慈善機(jī)構(gòu)合作,將這款監(jiān)測(cè)儀用于阿爾茨海默病及相關(guān)癡呆癥遠(yuǎn)程活動(dòng)監(jiān)測(cè)系統(tǒng),便利了醫(yī)護(hù)人員的工作。學(xué)生團(tuán)隊(duì)又將相關(guān)技術(shù)用于汽車駕駛領(lǐng)域,“基于光纖干涉儀的汽車駕駛員智能健康監(jiān)測(cè)系統(tǒng)”項(xiàng)目在2020年第六屆全國(guó)大學(xué)生3S杯物聯(lián)網(wǎng)技術(shù)與應(yīng)用“三創(chuàng)”競(jìng)賽中,打敗600多個(gè)競(jìng)爭(zhēng)對(duì)手,獲得一等獎(jiǎng);之后又在廣東省“眾創(chuàng)杯”創(chuàng)業(yè)創(chuàng)新大賽中,與1916名競(jìng)爭(zhēng)對(duì)手同臺(tái)競(jìng)技,斬獲銀獎(jiǎng);研究論文《基于多芯光纖干涉儀的無(wú)創(chuàng)智能監(jiān)測(cè)系統(tǒng)》在2018年中國(guó)杭州舉辦的亞洲通信與光子學(xué)會(huì)議(ACP,在中國(guó)舉辦的光通信領(lǐng)域頂級(jí)會(huì)議)上脫穎而出,獲得最佳海報(bào)獎(jiǎng)。
“我的另一名學(xué)生王碧煒,在沙特阿拉伯大學(xué)交換學(xué)習(xí)時(shí),跟當(dāng)?shù)氐氖凸竞献鳎霉鈺r(shí)域反射和分布式傳感的原理,將光纖傳感技術(shù)用于油氣領(lǐng)域的井下監(jiān)測(cè)、油氣管道監(jiān)測(cè)等方面。”畢業(yè)后,王碧煒博士和毛淵博士共同創(chuàng)立了艾克森光電科技(中山)公司,主要產(chǎn)品便是分布式光纖聲波傳感器,致力于在石油/天然氣、周界安全、軌道交通、智慧農(nóng)業(yè)等領(lǐng)域的應(yīng)用,與國(guó)際上的同類傳感器相比,可測(cè)信號(hào)更精細(xì),測(cè)量結(jié)果更穩(wěn)定。
光電信息技術(shù)的另一個(gè)重要應(yīng)用是成像。超表面是指一種亞波長(zhǎng)的二維人造材料,可實(shí)現(xiàn)對(duì)電磁波偏振、振幅、相位等特性的靈活有效調(diào)控。它顛覆傳統(tǒng)光學(xué)原理(反射/折射定律),尺寸小、易集成,光學(xué)設(shè)計(jì)自由度高。依據(jù)超表面材料制作的超透鏡,被《科學(xué)》(Science)期刊評(píng)為2016年十大科技突破之一,相比傳統(tǒng)鏡頭的笨重,它微型化、易集成,應(yīng)用市場(chǎng)廣闊,可望掀起成像系統(tǒng)的革命。余長(zhǎng)源的團(tuán)隊(duì)開展了超表面光纖器件的前沿研究,取得不少成果。他的博士生郝成龍、譚鳳澤等畢業(yè)后創(chuàng)建了深圳邁塔蘭斯科技有限公司,對(duì)超透鏡的量產(chǎn)和透過(guò)率難題進(jìn)行了攻關(guān),致力于將平面超透鏡技術(shù)廣泛應(yīng)用于消費(fèi)電子類、安防監(jiān)控、汽車電子、光通信及AR/VR等領(lǐng)域,引領(lǐng)相關(guān)光學(xué)產(chǎn)業(yè)技術(shù)的變革。2020年以來(lái),此公司已獲得各類創(chuàng)新創(chuàng)業(yè)大賽榮譽(yù)8項(xiàng),融資近2億元人民幣,技術(shù)成果和應(yīng)用成效備受好評(píng)。
2022年年底,亞洲通信與光子學(xué)會(huì)議在深圳舉辦,余長(zhǎng)源團(tuán)隊(duì)李玉建等學(xué)生的論文《基于游標(biāo)效應(yīng)的雙芯單孔光纖同時(shí)測(cè)量軸向應(yīng)變和溫度》獲得厲鼎毅最佳論文獎(jiǎng)。此獎(jiǎng)項(xiàng)的設(shè)立是為了緬懷繼高錕之后的光纖通信領(lǐng)域泰斗、波分復(fù)用系統(tǒng)之父厲鼎毅博士。他也是維爾納教授在貝爾實(shí)驗(yàn)室做博士后研究時(shí)的華人導(dǎo)師。在余長(zhǎng)源眼里,包括他的導(dǎo)師、他自己,以及他的學(xué)生在內(nèi),至少三代人,都曾受到這位大師的引領(lǐng)與指導(dǎo)。如今大師雖已駕鶴西去,但光纖領(lǐng)域的中華力量仍在繼續(xù)活躍,中國(guó)光纖研究正在世界舞臺(tái)大放光彩。“我們團(tuán)隊(duì)的最新論文獲厲鼎毅獎(jiǎng),就是對(duì)大師最好的紀(jì)念。過(guò)去20多年間,我有幸在光電信息領(lǐng)域持續(xù)工作,親歷了歷史:朋輩成長(zhǎng)為海內(nèi)外光通信的中堅(jiān)力量,中國(guó)在本領(lǐng)域研發(fā)從相對(duì)落后到開始領(lǐng)先;中國(guó)通信市場(chǎng)從七國(guó)八制、外國(guó)通信公司在華利潤(rùn)超過(guò)鴉片,到華為等中國(guó)公司崛起、極大降低國(guó)人通信費(fèi)用并參與國(guó)際競(jìng)爭(zhēng);我留美初期越洋電話每分鐘幾美元,到現(xiàn)在低成本網(wǎng)絡(luò)連接世界各個(gè)角落。這翻天覆地的變化,是師、友、學(xué)生幾代人扎扎實(shí)實(shí)干出來(lái)的。作為光纖通信傳感領(lǐng)域的后輩,我們也將在高錕先生、厲鼎毅先生開創(chuàng)的道路上繼續(xù)努力奮斗下去!”
專家簡(jiǎn)介:
余長(zhǎng)源,香港理工大學(xué)電子及資訊工程學(xué)系教授、博士生導(dǎo)師,美國(guó)光學(xué)學(xué)會(huì)會(huì)士。1997年獲清華大學(xué)應(yīng)用物理和企業(yè)管理雙學(xué)士學(xué)位,1999年獲美國(guó)邁阿密大學(xué)電子與計(jì)算機(jī)工程碩士學(xué)位,2005年獲美國(guó)南加州大學(xué)電子工程博士學(xué)位。2005年至2015年在新加坡國(guó)立大學(xué)電子與計(jì)算機(jī)工程系任教,創(chuàng)立光電系統(tǒng)研究小組,并兼任新加坡科技研究局資訊通信研究院高級(jí)研究員,2015年12月加入香港理工大學(xué)。主持/共同主持50多個(gè)研究項(xiàng)目,先后指導(dǎo)了20余名博士后研究員和40余名博士生。其團(tuán)隊(duì)曾獲10次國(guó)際會(huì)議最佳論文獎(jiǎng),以及2014年第三屆中國(guó)創(chuàng)新創(chuàng)業(yè)大賽全國(guó)總決賽生物醫(yī)藥行業(yè)團(tuán)隊(duì)組冠軍。他撰寫/合著了6個(gè)書籍章節(jié)及600余篇期刊/會(huì)議論文(100余篇主題/特邀報(bào)告,包括全球光通信領(lǐng)域以規(guī)格高、專業(yè)性強(qiáng)著稱的美國(guó)光纖通信會(huì)議OFC)。此外,他還曾擔(dān)任100余個(gè)國(guó)際學(xué)術(shù)會(huì)議的組委會(huì)/技術(shù)委員會(huì)的主席或成員,以及新加坡政府資訊通信發(fā)展管理局技術(shù)顧問(wèn)委員會(huì)委員。
來(lái)源:科學(xué)中國(guó)人 2023年11期
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