PUBLICATIONS (with over 1400 citations, H-index=20 till 12/12/2014, Good Scholar: http://scholar.google.com.sg/citations?user=w0UGtSoAAAAJ)
(US PATENT)
1. U.S. Pat. # 6,646,774 (Co-inventors: Z. Pan, Y. Wang, T. Luo, A.B. Sahin, Q. Yu, and A.E. Willner), “Intra-bit polarization diversity modulation,” Issued on November 11, 2003
(BOOK CHAPTERS)
2. 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)
3. 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)
4. 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
5. 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
6. 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
7. 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
(JOURNALS)
8. 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
9. 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
10. 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
11. 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
12. 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
13. 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
14. 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
15. 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
16. 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
17. 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
18. 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
19. 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
20. 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
21. 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
22. 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
23. 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
24. 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
25. 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
26. Y. Hong, J. Chen, Z. Wong, and C. Yu, “Performance of precoding MIMO system for decentralized multi-user indoor visible light communications,” IEEE Photonics Journal, vol. 5, no. 4, pp. 7800211.1-12, August 2013
27. 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
28. 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
29. 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
30. 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
31. 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
32. 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
33. 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
34. 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
35. 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
36. 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
37. 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
38. 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
39. 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
40. 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)
41. 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
42. 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
43. 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
44. 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
45. 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
46. 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
47. 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
48. 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
49. 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
50. 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
51. 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
52. 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
53. 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
54. 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
55. 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
56. 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
57. 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
58. 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)
59. 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
60. 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
61. 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
62. 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
63. 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
64. 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
65. 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
66. 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
67. 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
68. 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
69. 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
70. 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
71. 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
72. 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
73. 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
74. 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
75. 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
76. 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
77. 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
78. 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
79. 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
80. 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
81. 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
82. 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
83. 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
84. 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
85. 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
86. 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
87. 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
88. 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
89. 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
90. 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
91. X.H. Guang, 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
(CONFERENCE PROCEEDINGS, 39 invited, including OFC2012)
92. 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)
93. C. Yu, “Carrier recovery for digital coherent transmission,” Asia Communications and Photonics Conference and Exhibition (ACP) 2014, pp. 1, Shanghai, China, November 11-14, 2014 (Invited Talk in Workshop “What Else Is Needed for Coherent Transmission”)
94. Y. Fan, J. Chen, P. Cao, and C. Yu, “Performance of Digital 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)
95. 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)
96. 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)
97. 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
98. 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)
99. 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
100. 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
101. 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
102. 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)
103. 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
104. 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
105. 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
106. 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
107. 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)
108. 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
109. 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
110. 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
111. 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
112. J. Chen, Y. Hong, Z. Wang, and C. Yu, “Precoded visible light communications,” Paper. P0273, 9th International Conference on Information, Communications and Signal Processing (ICICS) 2013, pp. 1-4, Tainan, Taiwan, December 10-13, 2013 (Invited)
113. 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
114. 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)
115. 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)
116. 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
117. 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)
118. 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)
119. 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
120. 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
121. 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
122. 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)
123. Z. Chen, J. Hu, and C. Yu, “Fiber senor 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)
124. 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)
125. 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
126. 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
127. 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)
128. 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
129. 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
130. 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
131. 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
132. 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
133. 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)
134. 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)
135. 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
136. 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)
137. 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)
138. 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
139. 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
140. 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
141. 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)
142. 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)
143. 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)
144. 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
145. 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
146. 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)
147. 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)
148. 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)
149. 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
150. 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
151. 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
152. 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
153. 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)
154. 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
155. 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
156. 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
157. 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)
158. 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
159. 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
160. 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
161. 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
162. 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
163. 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
164. 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)
165. 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
166. 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
167. 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)
168. 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
169. 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
170. 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
171. 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)
172. 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
173. 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)
174. 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
175. 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
176. 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
177. 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
178. 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
179. 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
180. 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)
181. 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
182. 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
183. 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
184. 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
185. 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
186. 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
187. 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
188. 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
189. 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
190. 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
191. 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
192. 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
193. 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
194. 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
195. 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
196. 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
197. 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
198. 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
199. C. Yu, “Optical short pulse generation and measurement based on fiber polarization effects,” 16th Wireless and Optical Communications Conference (WOCC) 2008, Paper Optical-11, pp. 66, Taichung, Taiwan, April 23-24, 2008 (Invited)
200. 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
201. 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
202. 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
203. 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
204. 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
205. 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
206. 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)
207. 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)
208. 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
209. 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
210. 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
211. 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
212. 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
213. 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)
214. 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
215. 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
216. 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
217. 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
218. 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
219. 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
220. 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
221. 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
222. 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
223. 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)
224. 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
225. 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
226. 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
227. 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
228. 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
229. 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
230. 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
231. 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
232. 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
233. 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
234. 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
235. 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
236. 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
237. 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
238. 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
239. 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
240. 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
241. 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