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CHANGYUAN YU
National University of Singapore, 4 Engineering Drive 3, Singapore 117583
Tel: 65-6515-3590 Fax: 65-6779-1103
E-mail: eleyc@nus.edu.sg Web:
https://www.ece.nus.edu.sg/stfpage/eleyc
KEY QUALIFICATIONS:
· 15 years of research on photonics, including: diffractive optical devices, integrated micro/nano optical devices, optical interconnects, fiber-optical devices and subsystems, optical sensors, and high-speed WDM optical communication systems and networks
EDUCATION:
· Ph.D. in Electrical Engineering, Univ. of Southern California, USA, 2005
Dissertation: “Dispersive and Nonlinear Effects in High-Speed Reconfigurable WDM Optical Fiber Communication Systems” (Advisor: Dr. Alan E. Willner)
· Master of Science in Electrical & Computer Engineering, Univ. of Miami, USA, 1999
Thesis: “Flat-Top and Non-Diffracting Beam Shaping Using Phase-Only Diffractive Optical Elements”
· Bachelor of Science in Applied Physics and Bachelor of Economics in Enterprise Management, Tsinghua Univ., China, 1997
Thesis: “Excitons in Quantum Dot of II-VI Semiconductor”
PROFESSIONAL EXPERIENCE:
· Dept. of Electrical and Computer Engineering, National University of Singapore (Assistant professor, 12/2005-present)
· A*STAR Institute for Infocomm Research (25% Joint Staff, 12/2005-present)
· National University of Singapore Suzhou Research Institute (Investigator, 07/2011-present)
· National University of Singapore Graduate School for Integrative Sciences and Engineering (Ph.D. supervisor, 07/2011-present)
· NEC Labs America (Visiting researcher, 9/2005-12/2005)
· Optical Communications Lab, Dept. of Electrical Engineering, University of Southern California (Research and teaching assistant, 8/2000-8/2005)
· Electro-Optics & Micro-Devices Lab, Dept. of Electrical & Computer Engineering, University of Miami (Research and teaching assistant, 8/1997-5/2000)
RECENT RESEARCH PROJECTS (2006-present, with supporting fund over 2.5 million Singapore dollars; 1 Singapore dollar=0.8 US dollar)
· Application of photonic integrated circuits in optical communication networks (PI, NUS Research Institute at Suzhou R-2012-N-009, 2012~2014)
· OPM for Smart Optical Networks based on RF Analysis with Optical Filtering (PI, MOE AcRF R-263-000-631-112, 2011~2014)
· The applications of digital signal processing in 100-Gbit/s coherent optical communication systems (PI, A*STAR SERC PSF 092 101 0054, 2009~2012)
· General research on fiber optics and optical communications (PI, Gift Donation from NEC Labs America R-263-000-565-720, 2009)
· Autocorrelator for optical pulses based on measurement of polarization effects (PI, MOE AcRF R-263-000-424-112, 2007~2010)
· Multi-channel wavelength-tunable short pulses generation in ultra high-speed optical systems (PI , MOE AcRF R-263-000-354-112/133, 2006~2009)
· Synthetic aperture radar on a nano-satellite swarm platform (Co-PI, MOE AcRF R-263-000-A51-112, 2013~2016)
· Microwave photonics in biomedical applications (Co-PI, International Program Development Fund of University of Sydney, 2012~2013)
· Visible light communications (Co-PI, A*STAR SERC HOME2015 092 115 0111, 2010~2012)
· Small-footprint semiconductor optical transmitter for RZ transmission systems (Co-PI, MOE AcRF R-263-000-500-112, 2008~2011)
· Fabrication and testing of fiber optic hydrophones and arrays (Collaborator, A*STAR, 2007~2009)
· Distributed temperature and strain sensor (Collaborator, A*STAR, 2006~2007)
PREVIOUS RESEARCH PROJECTS (1997-2005):
· High-special-efficiency DWDM optical fiber transmission systems (2005)
· Tunable delay line based on slow light in fiber (2004~2005)
· Realization and application of high speed all-optical logic gates, all-optical wavelength conversion and optical parametric amplification by fiber nonlinear effects (2002~2005)
· High speed short pulse train generation using phase modulator and PM fiber (2004~2005)
· Supercontinuum generation and multicasting in optical WDM networks (2004)
· Extending the transmission distance of directly modulated DFB laser system (2004)
· Monitoring and compensation of chromatic dispersion and polarization-mode dispersion (PMD) in high speed WDM optical fiber transmission systems (2000~2003)
· Development of Labview-based beam profiler (1999~2000)
· Fabrication of holographic devices on ion-exchanged photo-chromic glass for optical interconnects and optical storage (1999~2000)
· High density nondiffracting beam array for optical interconnection (1997~1999)
· Fabrication of waveguide on HEBS glass by laser-writing assisted etching technique for chip-to-chip optical interconnects (1997~1999)
· Flat-top beam shaper fabricated by a non-lithographic technique (1997~1998)
TEACHING EXPERIENCE:
· Lecture:
Ø EE6136 “Advanced Optical Communications” (2012~present)
Ø EE4114 “Optical Communications” (2010~present)
Ø EE3407 “Analog Electronics” (2007~present)
Ø ESP1104 “Introduction to Electronic Systems” (2007~2009)
· Tutorial:
Ø EE2009 “Signals” (2006~2009)
· Lab supervision:
Ø EE2009 “Signals” (2006~2007)
Ø EE3208 “Embedded Computer Systems Design” (2006)
· Thesis and oral examination committees:
Ø Ph.D. students: Chava Vijaya Saradhi, WANG Peijie, YUAN Haifeng, Zaineb Al-Qaswini
Ø M.Sc. students: Alok Pathak, Raksha Srinivas, Soumya Hegde
· Research students supervised:
Ø Currently supervising 5 Ph.D. students (CAO Shengjiao, XU Zhuoran, YU Yi, ZHOU Jingjing, ZHENG Huanhuan), and some M.Sc., FYP and visiting students
Ø Graduated Ph.D. students:
ZHANG Hongyu, “Study on advanced modulation formats in coherent optical communication systems,” 08/2012
HU Junhao, “Advances measurement techniques in optical fiber sensor and communication systems,” 08/2011
ZHANG Shaoliang, “Coherent phase-modulated optical fiber communications with linear and nonlinear phase noise,” 01/2011
YANG Jing, “Fiber physical efforts in high-speed optical communication networks and fiber sensor systems,” 08/2010
Ø Graduated M.Sc. students:
Prasanna Caliaperoumal, “Optical performance monitoring in high-speed reconfigurable optical networks,” 05/2012
Raju Gottumukkala, “Dispersion monitoring based on RF spectrum analysis with optical filtering in high-speed optical communication systems,” 12/2010
YU Yi, “Filtering effects in high-speed differential phase-shift keying optical communication systems,” 12/2009
HAN Xue, “Comparison of modulation formats in 42.8-Gbit/s WDM fiber-optic communication systems,” 05/2009
LI Xiaojing, “Pilot-aided maximum likehood phase estimation in optical M-ary phase-shift keying system,” 12/2008
Ø Graduated FYP students:
LI Zhaoshuai, “Reach extension in directly modulated laser systems,” 05/2012
LIU Jia, “High speed driver of white-LED for visible light communications,” 05/2012
LIANG Lemin, “Optical performance monitoring in high-speed optical fiber networks,” 05/2012
Muhamad Khairul Bin Mohd Isa, “High speed optical receiver for visible light communications,” 05/2012
Soe San, “Optical performance monitoring in high-speed optical fiber networks,” 05/2012
YAP Yongbin, “High speed optical receiver for visible light communications,” 05/2012
ZOU Meixia, “Reach extension in directly modulated laser systems,” 05/2012
REN Shirui, “Receiver design of white LED wireless communication system,” 05/2011
TAN Hou Hock, “White LED lighting and visible light communication transmitter,” 05/2011
LIM Yu Ting, “A visible light communication system enabled by power line modem,” 05/2011
LI Yuanfeng, “Visible light communication transmitter based on white LED,” 05/2011
LU Huan Xun, “A visible light communication system using LED with power line modem,” 05/2011
XU Fang, “Optical performance monitoring in high-speed fiber communication systems,” 05/2011
YANG Kai, “Investigation of transmission distance improvement over standard single-mode fiber for 10-Gb/s chirped directly-modulated system,” 05/2011
He Minghui, “Chromatic Dispersion Monitoring In High-Speed Optical Communication Systems,” 05/2010
CHEE Kang Wei, “PMD monitoring for high-speed optical communication systems based on power measurement of RF tone,” 05/2009
V. M. Ramkumar, “Investigation of polymer optical fiber for high data rate and short range communication,” 05/2008
XING Rui, “Quantum-dots based biosensor project – development of a graphic interface as part of the software package for the urine analysis device,” 05/2008
ACTIVITIES:
· Member, IEEE Photonics Society (IEEE/PS)
· Member, Optical Society of America (OSA)
· Student activity chair and committee member, IEEE Singapore Section (2011~2012)
· Chair, IEEE/PS Singapore Chapter (2010, won Best Chapter Award from IEEE Singapore Session, and Largest Membership Increase Chapter Award from IEEE/PS)
· Supervisor, the Student Branch of IEEE/PS Singapore Chapter (2009~present)
· Committee member, IEEE/PS Singapore Chapter (2007~present)
· Founding secretary and committee member, OSA Singapore Chapter (2010~present)
· Chair/Co-chair, Working Group 1 (WG1) of Telecommunications Standards Technical Committee (TSTC) for Infocomm Development Authority (IDA) of Singapore: to define the standards of the physical layer for the next generation broadband network in Singapore (2009~present)
· Technical program committee member, International Conference on Photonics, Optics and Laser Technology (PHOTOPTICS) 2014
· Technical program committee member, 9th International Conference on Information, Communications and Signal Processing (ICICS) 2013
· Track co-chair on biomedical instrumentation, International Conference in Biomedical Engineering (ICBME) 2013
· Technical program committee member, Asia Communications and Photonics Conference and Exhibition (ACP) 2013
· Technical program committee member, 6th International Conference on Advanced Infocomm Technology (ICAIT) 2013
· Technical program committee member, 11th International Conference on Optical Internet (COIN) 2013
· Technical program committee member, 22nd Wireless and Optical Communication Conference (WOCC) 2013
· Technical program committee member, the 19th Asia-Pacific Conference on Communications (APCC) 2013
· Technical program committee member, International Conference on Photonics, Optics and Laser Technology (PHOTOPTICS) 2013
· Financial chair and symposium chair on Advanced Optical Communications, IEEE Photonics Global Conference (PGC) 2012
· Technical program committee member, 11th International Conference on Optical Communications and Networks (ICOCN) 2012
· Technical program committee member, the IEEE TENCON 2012
· Technical program committee member, 13th IEEE International Conference on Communication Systems (ICCS) 2012
· Technical program committee member, Asia Communications and Photonics Conference and Exhibition (ACP) 2012
· Conference Chair, Semiconductor Lasers and Applications V, Photonics Asia 2012
· Technical program committee member, 9th IEEE VTS Asia Pacific Wireless Communications Symposium (APWCS) 2012
· Technical program committee member, International Conference on Optical Communication Systems (OPTICS) 2012
· Judge, ECE Graduate Student Symposium, National University of Singapore, 2012
· Technical program committee member, 10th International Conference on Optical Communications and Networks (ICOCN) 2011
· Technical program committee member, 8th International Conference on Information, Communications and Signal Processing (ICICS) 2011
· Technical program committee member, Asia Communications and Photonics Conference and Exhibition (ACP) 2011
· Technical program committee member, IEEE SENSORS Conference 2011
· Technical program committee member, International Conference on Optical Instrument and Technology (OIT) 2011
· Technical program co-chair, International Conference on Information Photonics & Optical Communications (IPOC) 2011
· Publicity chair and technical program member, IEEE Topical Meeting on Microwave Photonics (MWP) 2011
· Invited speaker on “High Speed Optical Fiber Communications”, Discover Optics 2011, an educational event for students from junior colleges, jointly organized by OSA Singapore Chapter and IEEE/PS Chapter
· Local arrangement chair and symposium co-chair on optical communication and networks, IEEE Photonics Global Conference (PGC) 2010
· Honorary conference chair, 1st Postgraduate Student Conference (PGSC) 2010
· Technical program co-chair, 12th IEEE International Conference on Communication Systems (ICCS) 2010
· Technical program committee member, Asia Communications and Photonics Conference and Exhibition (ACP) 2010
· Conference co-chair on optical transmission, 9th International Conference on Optical Communications and Networks (ICOCN) 2010
· Judge, Junior Talent Development Program, Singapore, 2010
· Technical program committee member, International Conference on Optical Communication Systems (OPTICS) 2010
· Technical program committee member, 7th IEEE VTS Asia Pacific Wireless Communications Symposium (APWCS) 2010
· Honorary conference chair, 1st IEEE/PS Singapore chapter Best Student Paper Award Competition (BSPA) 2009
· Technical program committee member, Asia Communications and Photonics Conference and Exhibition (ACP) 2009
· Technical program committee member, 8th International Conference on Optical Communications and Networks (ICOCN) 2009
· Co-chair of Symposium P (Fiber Optical Devices and Applications), 5th International Conference on Materials for Advanced Technologies (ICMAT) 2009
· Technical program committee member and section chair, Opto-Electronics and Communications Conference (OECC) 2009
· Technical program committee member, 11th IEEE International Conference on Communication Systems (ICCS) 2008
· Organizing committee member and technical program committee member, 7th International Conference on Optical Communications and Networks (ICOCN) 2008
· Organizing committee member and technical program committee member, IEEE Photonics Global Conference (PGC) 2008
· Technical program committee member and section chair, Opto-Electronics and Communications Conference (OECC) 2008
· Section chair, 6th International Conference on Information, Communications and Signal Processing (ICICS) 2007
· Technical program committee member and section chair, 10th IEEE International Conference on Communication Systems (ICCS) 2006
· Vice president, Friendship Club of China in University of Miami, 1997-1999
· Reviewer for IEEE Photonics Technology Letters, IEEE/OSA Journal of Lightwave Technology, IEEE Transaction on Communications, IEEE Journal of Selected Topics in Quantum Electronics, Optics Letters, Optics Express, Optics Communications, Optics Engineering, IEE Electronics Letters, Journal of Computer Communications, and a few international conferences
HONORS:
· Shengjiao Cao (Ph.D. student), Best Student Paper Award (for the paper “Mitigation of nonlinearity based on optimized percentage of dispersion pre-compensation in coherent optical PDM-OFDM systems,” co-authored by S. Cao, C. Yu, and P.Y. Kam), IEEE Photonics Global Conference (PGC) 2012, Singapore, December 13-16, 2012
· Shaoliang Zhang (Ph.D. student), IEEE Photonics Society Graduate Student Fellowship Award 2010 (10 winners from all over the world), which is a top honor for the graduate students in IEEE Photonics Society, reported in the IEEE Photonics Society website and also the IEEE Photonics Society newsletters
· Jing Yang (Ph.D. student), Best Student Paper Award (for the paper “CD insensitive PMD monitoring for different modulation formats based on RF tone power measurement using an FBG notch filter” co-authored by J. Yang, K.W.L. Chee, and C. Yu), 7th International Conference on Information, Communications and Signal Processing (ICICS) 2009, Macau, December 8-10, 2009
· Junhao Hu (Ph.D. student), Best Student Presentation Award Honorable Mention (for the paper “Long distance fiber Bragg grating sensor system based on Erbium-doped fiber and Raman amplification” co-authored by J. Hu, Z. Chen, X. Yang, J. Ng, and C. Yu), Asia Communications and Photonics Conference and Exhibition (ACP) 2009, Shanghai, November 2-6, 2009
· Jing Yang (Ph.D. student), Certificate of Merits (for the paper “Multi-channel 80-GHz pulse train generation based on four-wave mixing in highly nonlinear fiber” co-authored by J. Yang, J. Hu, C. Yu, Y.K. Yeo, and Y. Wang), OptoElectronics and Communications Conference (OECC) 2009, Hong Kong, July 13-17, 2009
· Best Paper Award (for the paper “Polarization Insensitivity Optic Distributed Strain Sensing System Based on Stimulated Brillouin Scattering” co-authored by J. Yang, C. Yu, Z. Chen, J. Ng, and X. Yang), Symposium P (Fiber Optical Devices and Applications), the 5th International Conference on Materials for Advanced Technologies (ICMAT) 2009, Singapore, June 28-July 3, 2009
· Marquis “Who’s Who in the world”, 2009
· Academic Achievement Award, Univ. of Southern California, 2005
· IEEE/LEOS (now IEEE Photonics Society) Graduate Student Fellowship Award, 2004 (12 winners from all over the world)
· Teaching and Research Assistant Scholarship, Univ. of Southern California, 2000- 2005
· Award of Academic Merit, Graduate School of Univ. of Miami, 1999
· “Who’s Who Among Students in American Universities and Colleges”, 1999
· Teaching and Research Assistant Scholarship, Univ. of Miami, 1997- 2000
· Outstanding Student Scholarship, Tsinghua Univ., 1992-1996
US PATENT:
· 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 for PMD mitigation,” Issued on November 11, 2003
PUBLICATIONS (with over 600 citations, H-index=15):
(BOOK CHAPTERS)
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
(JOURNALS)
7. H. Zhang, P.Y. Kam, and C. Yu, “Symbol-error rate performance of 4-point constellations with phase estimation error,” accepted by IEEE Photonics Technology Letters
8. 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
9. 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 four-wave mixing in highly non-linear fiber,” IEEE Photonics Technology Letters, vol. 25, no. 4, pp. 327-330, February 2013
10. 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
11. 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
12. 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
13. 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
14. 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
15. 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
16. 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
17. 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
18. 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
19. 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
20. 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
21. 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
22. 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
23. 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
24. 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
25. 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
26. 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
27. 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
28. 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
29. 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
30. 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
31. 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
32. S. Zhang, P. Y. Kam, C. Yu, and J. Chen, “Bit-error rate performance of coherent optical M-ary PSK and 16-QAM using decision-aided maximum likelihood phase estimation,” Optics Express, vol. 18, no. 12, pp. 12088 – 12103, May 2010
33. 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
34. 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
35. J. Yang, J. Hu, C. Yu, Y.K. Yeo, and Y. Wang, “Multi-channel 80-GHz pulse train generation based on optical parametric process,” Optics Communications, vol. 283, no. 6, pp. 939-945, March 2010
36. 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
37. 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
38. 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
39. 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
40. 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
41. 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
42. 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
43. 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
44. 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
45. 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
46. 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
47. 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 a two pump configuration, DCF, and a dispersion compensator,” IEEE Photonics Technology Letters, vol. 19, no. 11, pp. 861-863, June 2007
48. 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
49. 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
50. 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-Gbit/s RZ system by optical parametric amplification in fiber,” IEEE Photonics Technology Letters, vol. 18, no. 24, pp. 2569-2571, December 2006
51. 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
52. 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
53. 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
54. 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
55. 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
56. 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
57. 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
58. L.-S. Yan, C. Yu, Y. Wang, T. Luo, L. Paraschis, and A.E. Willner, “40-Gbit/s transmission over 25-km of negative-dispersion fiber using narrowband filtering of a commercial directly modulated DFB laser,” IEEE Photonics Technology Letters, vol. 17, no. 6, pp. 1322-1324, June 2005
59. 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
60. 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
61. 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
62. 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
63. 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 optical clock regeneration techniques,” IEEE/OSA Journal of Lightwave Technology, vol. 22, no. 4, pp. 1086 - 1093, April 2004
64. 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
65. 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
66. 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
67. 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
68. M.R. Wang, C. Yu, and A.J. Varela, “Efficient pseudo-non-diffracting beam shaping using a quasi-continuous phase diffractive element,” Optical Engineering, vol. 40, no. 4, pp. 517-524, April 2001
69. 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
70. 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)
71. C. Yu, Z. Chen, and J. Hu, “Fiber senor for long-range and biomedical measurements,” 11th International Conference on Optical Communications and Networks (ICOCN) 2013, pp. 1-4, Chengdu, China, July 26-28, 2013 (Invited)
72. Z. Xu, S. 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, Los Angeles, CA, USA, March 17-21, 2013
73. 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, Los Angeles, CA, USA, March 17-21, 2013
74. 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
75. Y. Yu, J. Yang, 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
76. 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
77. C. Yu, J. Yang, and Y. Yu, “Dispersion and OSNR Monitoring in High-speed Optical Fiber Communication Systems,” 11th International Conference on Optical Communications and Networks (ICOCN) 2012, Paper FRI-18, pp. 1-4, Pattaya, Thailand, November 28-30, 2012 (Invited)
78. 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)
79. 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
80. C. Yu, Pooi-Yuen Kam, and Shengjiao 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)
81. 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)
82. 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
83. 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
84. 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)
85. 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)
86. 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)
87. 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
88. 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
89. 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)
90. 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)
91. 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)
92. 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
93. 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
94. 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
95. 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
96. 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)
97. 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
98. 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
99. 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
100. 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)
101. 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
102. 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
103. 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
104. 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
105. 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
106. 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
107. 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)
108. 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
109. 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
110. 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)
111. 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
112. 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
113. 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
114. 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)
115. 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
116. 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)
117. 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
118. 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
119. 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
120. 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
121. 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
122. 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
123. 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)
124. 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
125. 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
126. 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
127. 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
128. 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
129. 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
130. S. Zhang, J. Chen, C. Yu, W. Rong, and P. Y. Kam, “ADC bandwidth optimization for coherent optical detection in phase-modulated systems,” Asia Communications and Photonics Conference and Exhibition (ACP) 2009 , Paper FC3, pp. 1-6, Shanghai, China, November 2-6, 2009
131. 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
132. 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
133. 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
134. 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
135. 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
136. 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
137. 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
138. 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
139. 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
140. 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
141. 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
142. 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)
143. 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
144. 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
145. 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
146. 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
147. 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
148. 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
149. 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)
150. 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)
151. 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
152. 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
153. 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
154. 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
155. 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
156. 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)
157. 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
158. 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-polarisation,” Europe Conference on Optical Communication (ECOC) 2005, Paper We2.3.3, pp. 1-2, Glasgow, Scotland, September 2005
159. 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
160. 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
161. 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
162. 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
163. 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
164. 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
165. 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
166. 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)
167. 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
168. 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
169. 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
170. 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
171. 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
172. 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
173. 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
174. 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
175. 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
176. 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
177. 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
178. 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
179. 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
180. 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
181. 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
182. 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
183. 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
184. 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