PUBLICATION (Lian-Kuan Chen)
(by category; some papers may appear in
multiple categories)
Optical Wireless Communication
1. L.Liu, R. Deng, J. Shi, J. He, L.K. Chen, “Beyond 100-kbit/s Transmission over
Rolling Shutter Camera-based VLC Enabled by Color and Spatial Multiplexing,“ Optical Fiber Communication Conference, M1J. 4, 2020.
2. J.Shi, Y. Hong, R. Deng, J. He, L.K. Chen, “Real-Time Software-Reconfigurable
Hybrid In-House Access with OFDM-NOMA,“ IEEE Photonics Technology Letters, vol.
32, no. 7, pp. 379-382, Apr. 2020.
3. L.Liu, R. Deng, L.K. Chen, “Spatial and Time Dispersions Compensation with
Double-Equalization for Optical Camera Communications,” IEEE Photonics
Technology Letters, vol. 31, no. 21, pp. 1753 – 1756, Nov. 2019.
4. L.K.Chen, Y. Shao, R. Deng, “Robust UOWC systems against bubble-induced
impairments via transmit/receive diversities [Invited],” Chin. Opt. Lett.,
vol. 17, no. 10, pp. 100006 – , Nov. 2019.
5. L.Liu, R. Deng, L.K. Chen, “47-kbit/s RGB-LED-based optical camera
communication based on 2D-CNN and XOR-based data loss compensation,”
Optics Express, vol. 27, no. 23, pp. 33840 – 33846, Nov. 2019.
6. Y.Shao, R. Deng, J. He, K. Wu L.K. Chen, “Digital 4K video transmission over
real-time water-air OWC-OFDM system with low-complexity transmitter-side
DSP,” European Conference on Optical Communications (ECOC) , Paper
Tu.3.C.1, Dublin, Ireland, Sep. 2019.
7. J.Shi, Y. Hong, R. Deng, J. He, L.K. Chen, G.K. Chang, “Demonstration of
Real-Time Software Reconfigurable Dynamic Power-and-subcarrier Allocation
Scheme for OFDM-NOMA based Multi-User Visible Light Communications,” IEEE
OSA Journal of Lightwave Technology, vol. 37, no. 17, pp. 4401 – 4409, Sep.
2019.
8. J.Shi, J. He, Y. Hong, J. He, L.K. Chen, “Performance-enhanced NOMA-VLC
using subcarrier pairwise coding,” Optics Communications, vol. 450, no. 1,
pp. 141 – 146, Nov. 2019.
9. Y.Hong, L.K. Chen, J. Zhao, “Performance-enhanced gigabit/s MIMO-OFDM
visible light communications using CSI-free/dependent precoding
techniques,” Optics Express, vol. 27, no. 9, pp. 12806 – 12816 , Apr.
2019.
10. J.Shi, Y. Hong, R. Deng, J. He, L.K. Chen, G.K. Chang, “Real-time
Demonstration of Software Reconfigurable Dynamic Power-and-subcarrier
Allocation Scheme for OFDM-NOMA based Multi-user Visible Light
Communications,” IEEE/OSA Optical Fiber Communication Conference (OFC) ,
Paper Th3I.5, San Diego, USA, Mar. 2019.
11. Y.Shao, Y. Hong, Z.Y. Hu, L.K. Chen, “Capacity Maximization of OWC Systems
via Joint Precoding and Probabilistic Shaping,” IEEE Photonics Technology
Letters, vol. 31, no. 13, pp. 1031 – 1016, Jul. 2019.
12. L.Liu, R. Deng, L.K. Chen, “Spatial/Temporal Dispersion Compensation by
Double Equalizations in Optical Camera Communications,” Opto-Electronics
Communication Conference/International Conference on Photonics in Switching
(OECC/PS), Paper ThE2-3, Fukuoka, Japan, Jul. 2019.
13. Y.Shao, Y. Hong, R. Deng, L.K. Chen, “Performance Enhancement by Spatial
Diversity for Robust VLC systems with Fast-moving Terminals,”
Opto-Electronics Communication Conference/International Conference on Photonics
in Switching (OECC/PS) , Paper ThE2-1, Fukuoka, Japan, Jul. 2019.
14. Y.Shao, Y. Hong, S. Gao, L.K. Chen, “Faster-than-Nyquist DFT-S-OFDM over
Visible Light Communications,” Opto-Electronics and Communications
Conference (OECC), Paper 6A2-1, Jeju, Korea, Jul. 2018.
15. Y.Hong, T. Song, Y. Shao, L.K. Chen, C. Lim, K.L. Lee, “On the Performance
of Probabilistically-Shaped CAP over Optical Wireless Communications,”
Opto-Electronics and Communications Conference (OECC) , Paper 4A4-4, Jeju,
Korea, Jul. 2018.
16. Z.Y.Hu, S. Gao, Y. Shao, L.K. Chen, C.K. Chan, ” A Robust Channel Processor
for Faster-than-Nyquist Non-Orthogonal FDM Visible Light Communication
Systems,” European Conference on Optical Communications (ECOC) , Paper
Th2.18, Rome, Italy, Sep. 2018.
17. Y.Fu, Y. Hong, L.K. Chen, C.W. Sung, “Enhanced Power Allocation for Sum Rate
Maximization in OFDM-NOMA VLC Systems,” IEEE Photonics Technology Letters,
vol. 30, no. 13, pp. 1218 – 1221, Jul. 2018.
18. H.M. Lu, Y. Hong, L.K. Chen, J. P. Wang, “On the study of the relation
between linear/nonlinear PAPR reduction and transmission performance for
OFDM-based VLC systems,” Optics Express, vol. 26, no. 11, pp. 13891 –
13901, May. 2018.
19. Y.Hong, S. Gao, L.K. Chen, J. Zhao, “SNR-threshold based Adaptive Loading
for PAM-Fast-OFDM over Optical Wireless Communications,” IEEE/OSA Optical
Fiber Communication Conference (OFC) , Paper M2K.4, San Diego, California, USA,
Mar. 2018.
20. Y.Shao, Y. Hong, L.K. Chen, “On CSI-free Linear Equalization for Optical Fast-OFDM
over Visible Light Communications,” IEEE/OSA Optical Fiber Communication
Conference (OFC) , Paper M3K.5, San Diego, California, USA, Mar. 2018.
21. J.Shi, Y. Hong, J. He, R. Deng, L.K. Chen, “Experimental Demonstration of
OQAM-OFDM based MIMO-NOMA over Visible Light Communications,” IEEE/OSA
Optical Fiber Communication Conference (OFC) , Paper M2K.3, San Diego,
California, USA, Mar. 2018.
22. H.M. Lu, Y. Hong, L.K. Chen, J. P. Wang, “Experimental Investigation on
Impacts of PAPR Reduction Schemes in OFDM-based VLC Systems,” Conference
on Lasers and Electro-Optics Pacific Rim, OptoElectronics and Communications
Conference, and Photonics Global Conference 2017 (CLEO-PR, OECC and PGC 2017) ,
Paper P3-006, Singapore, Aug. 2017.
23. L.K.Chen, Y. Hong, “Channel-independent Signal Processing for High-speed VLC
Systems,” Conference on Lasers and Electro-Optics Pacific Rim,
OptoElectronics and Communications Conference, and Photonics Global Conference
2017 (CLEO-PR, OECC and PGC 2017) , Paper 3-3L-3 (Invited Paper), Singapore,
Aug. 2017.
24. Y.Hong, L.K. Chen, “Multi-band Orthogonal Circulant Matrix Transform
Precoding over Visible Light Communications,” Conference on Lasers and
Electro-Optics Pacific Rim, OptoElectronics and Communications Conference, and
Photonics Global Conference 2017 (CLEO-PR, OECC and PGC 2017) , Paper 3-1L-3,
Singapore, Aug. 2017.
25. Y.Hong, J. Xu, L.K. Chen, “Experimental investigation of multi-band OCT
precoding for OFDM-based visible light communications,” Optics Express,
vol. 25, no. 11, pp. 12908 – 12914, May. 2017.
26. Y.Hong, L.K. Chen, X. Guan, “Adaptive Physical-layer Network Coding over
Visible Light Communications,” IEEE/OSA Optical Fiber Communication
Conference (OFC), Paper Th1E.4, Los Angeles, California, USA, Mar. 2017.
27. Y.Hong, L.K. Chen, J. Zhao, “Experimental Demonstration of
Performance-enhanced MIMO-OFDM Visible Light Communications,” IEEE/OSA
Optical Fiber Communication Conference (OFC) , Paper Th1E.2, Los Angeles,
California, USA, Mar. 2017.
28. Y.Hong, L.K. Chen, “Toward user mobility for OFDM-based visible light
communications,” OSA Optics Letters, vol. 41, no. 16, pp. 3763 – 3766,
Aug. 2016.
29. Y.Hong, L.K. Chen, “Performance Investigation of OCT Precoding for MIMO-OFDM
Based Indoor Visible Light Communications,” International Conference on
Transparent Optical Networks (ICTON) , Paper Mo.D 2.4, Trento, Italy, Jul. 2016.
30. Y.Hong, L.K. Chen, “OCT Precoding for OFDM-based Indoor Visible Light
Communications,” Opto-Electronics Communication Conference/International
Conference on Photonics in Switching (OECC/PS) , Paper TuD3-3, Niigata, Japan,
Jul. 2016.
31. Y.Hong, X. Guan, L.K. Chen, J. Zhao, “Experimental Demonstration of an
OCT-based Precoding Scheme for Visible Light Communications,” IEEE/OSA
Optical Fiber Communication Conference (OFC) , Paper M3A.6, Anaheim,
California, USA, Mar. 2016.
32. Y.Hong, T. Wu, L.K. Chen, “On the Performance of Adaptive MIMO-OFDM Indoor
Visible Light Communications,” IEEE Photonics Technology Letters, vol. 28,
no. 8, pp. 907-910, Apr. 2016.
Optical Access Networks
1. J.Xu, M. Li, L.K. Chen, “Rayleigh Noise Reduction in 10-Gb/s
Carrier-Distributed WDM-PONs using In-band Optical Filtering,” IEEE OSA
Journal of Lightwave Technology, vol. 29, no. 24, pp.3632-3639, Dec. 2011.
2. P.L.Li, J. Xu, L.K. Chen, “A Novel Time-interleaved Phase Remodulation Scheme
in WDM-PON with Enhanced Tolerance to Rayleigh Backscattering ,”
Opto-Electronics and Communications Conference, OECC 2011, Paper 5A4-3,
Kaohsiung, Taiwan, 2011.
3. J.Xu, Z.X. Liu, L.K. Chen, C.K. Chan, “Time-Interleaved Phase Remodulation
to Enable Broadcast Transmission in Bidirectional WDM-PONs without Additional
Light Sources,” IEEE/OSA Optical Fiber Communication Conference / National
Fiber Optic Engineers Conference, OFC/NFOEC 2011, Paper OThK4, Los Angeles,
California, USA, 2011.
4. J.Xu, L.K. Chen, C.K. Chan, “Phase Modulation Based Loopback Scheme for
Rayleigh Noise Suppression in 10-Gb/s Carrier-Distributed WDM-PONs,” IEEE
Photonics Technology Letters, vol. 22, no. 18, pp. 1343-1345, Sep. 2010.
5. J.Xu, Y. Zhang, L.K. Chen, C.K. Chan, “A Delay-based Multicast Overlay
Scheme for WDM Passive Optical Networks with 10-Gb/s Symmetric Two-way
Traffic,” IEEE OSA Journal of Lightwave Technology, vol. 28, no. 18,
pp.2660-2666, Sep. 2010.
6. J.Xu, L.K. Chen, C.K. Chan, “High Extinction Ratio Phase Re-modulation for
10-Gb/s WDM-PON with Enhanced Tolerance to Rayleigh Noise,” International
Conference on Optical Internet, COIN 2010, Paper P1061, Korea, Jeju, Jul. 2010.
7. J.Xu, L.K. Chen, C.K. Chan, “Enhancement of Wavelength Offset Tolerance for
Downstream DPSK Signals Demodulation in 10-Gb/s WDM-PONs,”
Opto-Electronics and Communications Conference, OECC 2010, Paper 6A1-4,
Sapporo, Hokkaido, Japan, Jul. 2010.
8. J.Xu, L.K. Chen, “A New Remodulation Scheme for WDM-PONs with Enhanced
Tolerance to Chromatic Dispersion and Remodulation Misalignment,” IEEE
Photonics Technology Letters, vol. 22, no. 7, pp. 456 – 458, 2010.
9. J.Xu, L.K. Chen, “Optical Phase Remodulation for 10-Gb/s WDM-PON with
Enhanced Tolerance to Rayleigh Noise ,” IEEE/OSA Optical Fiber
Communication Conference / National Fiber Optic Engineers Conference, OFC/NFOEC
2010, Paper OThG3, San Diego, California, USA, 2010.
10. J.Xu, Y. Zhang, L.K. Chen, C.K. Chan, “A WDM-PON with 10-Gb/s Symmetric
Bit-Rates and Multicast Overlay with Delay-Based Multicast Control,”
IEEE/OSA Optical Fiber Communication Conference / National Fiber Optic
Engineers Conference , OFC/NFOEC 2009, Paper NME5, San Diego, USA, Mar. 2009.
11. J.Zhao, L.K. Chen, “Electronic equalization of 10Gbit/s upstream signals for
asynchronous-modulation and chromatic-dispersion compensation in a high-speed
centralized supercontinuum broadband-light-source WDM-PON,” Journal of
Optical Communications and Networking, vol. 6, no. 9, pp. 1105 – , 2007.
12. Y.T.Tse, G.W. Lu, L.K. Chen, C.K. Chan, “Upstream OOK Remodulation Scheme
using Injection-locked FP Laser with Downstream Inverse-RZ Data in WDM Passive
Optical Network,” Asia Pacific Optical Communications Communication
Conference, APOC 2007, Paper 6784-69, Wuhan, PRC, Nov. 2007.
13. J.Zhao, L.K. Chen, C.K. Chan, “A Novel Re-Modulation Scheme to Achieve
Colorless High-Speed WDM-PON with Enhanced Tolerance to Chromatic Dispersion
and Re-Modulation Misalignment,” IEEE/OSA Optical Fiber Communication
Conference / National Fiber Optic Engineers Conference, OFC/NFOEC 2007, Paper
OWD2, Anaheim, California, USA, Mar. 2007.
14. J.Zhao, L.K. Chen, C.K. Chan, “Electronic Equalization for Unsynchronized
Modulation and Chromatic Dispersion Compensation in Supercontinuum-Based
WDM-PON,” European Conference on Optical Communications, ECOC 2006, Paper
We3.P.159, Cannes, France, Sep. 2006.
15. G.W.Lu, N. Deng, C.K. Chan, L.K. Chen, “Use of Downstream Inverse-RZ Signal
for Upstream Data Re-modulation in a WDM Passive Optical Network,”
IEEE/OSA Optical Fiber Communication Conference, OFC 2005, Paper OFI8, Anaheim,
California, USA, Mar. 2005.
16. L.K.Chen, H.K. Tsang, C.K. Chan, C.T. Shu, “Novel Devices for Wavelength
Routing and Optical Access Networks,” HKIE Transactions, vol. 11, no. 2,
pp.21-33, June 2004.
17. C.L.Lin, C.K. Chan, L.K. Chen, “Fiber-to-the-Premise (FTTP) over Cable TV’s
Hybrid Fibre/Coax (HFC) Networks,” European Conference on Optical
Communications, (Invited Paper), Paper Mo4.1.3, Rimini, Italy, Sept. 2003.
18. T.J.Chan, C.K. Chan, L.K. Chen, F. Tong, “A Self-Protected Architecture for
Wavelength Division Multiplexed Passive Optical Networks,” IEEE Photonics
Technology Letters, vol. 15, no. 11, pp. 1660-1662, Nov. 2003.
19. W.Hung, C.K. Chan, L.K. Chen, F. Tong, “An Optical Network Unit for WDM
Access Networks with Downstream DPSK and Upstream Re-modulated OOK Data Using
Injection-Locked FP Laser,” IEEE Photonics Technology Letters, vol. 15,
no. 10, pp. 1476-1478, Oct. 2003.
20. W.Hung, C.K. Chan, L.K. Chen, C.L. Lin, “System Characterization of a Robust
Re-modulation Scheme with DPSK Downstream Traffic in a WDM Access
Network,” European Conference on Optical Communications ECOC, Paper
We3.4.5, Rimini, Italy, Sept. 2003.
21. T.J.Chan, Y.C. Ku, C.K. Chan, L.K. Chen, F. Tong, “A Novel Bidirectional
Wavelength Division Multiplexed Passive Optical Network with 1:1
Protection,” IEEE/OSA Optical Fiber Communication Conference, OFC’03,
Paper FQ6, Atlanta, Georgia, USA, Mar. 2003.
22. W.Hung, C.K. Chan, L.K. Chen, F. Tong, “Optical Network Unit for WDM Access
Networks with Downstream DPSK and Upstream Re-modulated OOK Data Using
Injection-Locked FP Laser,” IEEE/OSA Optical Fiber Communication
Conference, OFC’03, Paper TuR2, Atlanta, Georgia, USA, Mar. 2003.
23. T.J.Chan, C.K. Chan, Kit Chan, W. Hung, L.K. Chen, “A Novel WDM Passive Optical
Network with Bi-directional Protection,” Asia-Pacific Optical and Wireless
Communications Conference, APOC’ 02, no. 4909-23, Shanghai, PRC, Oct. 2002.
24. L.Y.Chan, C.K. Chan, D. T. K. Tong, F. Tong, L.K. Chen, “Upstream Traffic
Transmitter Using Injection-Locked Fabry-Perot Laser Diode as Modulator for WDM
Access Networks,” IEE Electronics Letters, vol. 38, no. 1, pp. 43-45, Jan.
2002.
25. S.Y. Cheung, L.Y. Chan, C.K. Chan, D. T. K. Tong, F. Tong, L.K. Chen,
“Demonstration of an ONU for WDM Access Network with Downstream BPSK and
Upstream Remodulated OOK Data Using Injection-Locked
FP Laser,” European Conference on Optical Communications, ECOC ’01, Paper
We.B.3.2, Amsterdam, the Netherlands, Sep. 2001
26. L.Y.Chan, C.K. Chan, D. Tong, S.Y. Cheung, F. Tong, L.K. Chen, “Demonstration
of Data Remodulation for Upstream Traffic in WDM Access Networks using
Injection-Locked FP Laser as Modulator,” IEEE/ OSA Optical Fiber
Communications Conference, OFC ’01, Paper WU5, Anaheim, CA, USA, 17 – 22 March
2001.
27. C.Su, L.K. Chen, K.W. Cheung, “Theory of Burst-Mode Receiver and Its
Application in Optical Multiaccess Network,” IEEE Journal of Lightwave
Technology, April 1997, Vol. 15, No. 4, pp. 590 – 606
28. C.Su, L.K. Chen, K.W. Cheung, Y. Ota, “BER and Power Penalty Measurement of Burst-Mode
Receiver for All-Optical Multiaccess Networks,” International Conference
on Integrated Optics and Optical Fibre Communication, IOOC ’95, Hong Kong, 26 –
30 June 1995, Vol. 4, pp 84 – 85
29. C.Su, L.K. Chen, K.W. Cheung, “BER Penalty of Burst-Mode Receiver in Optical
Multiaccess Network,” IEEE Lasers and Electro-Optics Society Annual
Meeting, LEOS ’94, Boston, MA, USA, 31 Oct – 3 Nov 1994, pp. 198 – 199
30. C.Su, L.K. Chen, K.W. Cheung, “Inherent Transmission Capacity Penalty of
Burst-mode Receiver for Optical Multiaccess Networks,” IEEE Photonics
Technology Letters, May 1994, Vol. 6, No. 5, pp. 664 – 667
31. C.Su, L.K. Chen, K.W. Cheung, “System Degradations for Clock and Phase
Recovery of Digital Burst-Mode Optical Receiver,” IEEE International
Symposium on Communications, Hsinchu, Taiwan, Dec 1993, Vol. 2, pp. 29 – 36
Optical Performance Monitoring
1. L.K.Chen, H.T. Luk, “Proactive Performance Monitoring in Software Defined
Networking,” Asia Communications and Photonics Conference and Exhibition
(ACP), Paper ASu3H.1 (Invited), Hong Kong, Nov. 2015.
2. H.T.Luk, L.K. Chen, “Active Probing assisted Monitoring for Software Defined
Networks,” IEEE/OSA Optical Fiber Conference (OFC), Paper W4J.2, Los
Angeles, California, USA, 2015.
3. H.T.Luk, L.K. Chen, “Time caliper method with enhanced accuracy using an
arbitrary waveform generator and time demultiplexer with fine clock
offset,” OSA Optics Letters, vol. 39, no. 20, 2014.
4. H.T.Luk, L.K. Chen, “Measurement method of the relative propagation delay of
two signals based on modified caliper ruler,” OSA Optics Letters, vol. 38,
no. 22, pp. 4659 – 4662, 2013.
5. H.T.Luk, L.K. Chen, “Monitors Placement for All-Optical Networks with
Linearly-Accumulated Impairments,” Opto-Electronics and Communications
Conference, OECC 2012, Paper 5A4-2, Korea, Busan, 2012.
6. J.Xu, K.M. Chong, L.K. Chen, “Delay-interferometer based timing alignment
monitoring for data and clock signal in optical RZ-DPSK and RZ-OOK
systems,” Optical Fiber Technology, vol. 16, no. 4, pp. 236 – 239, 2010.
7. L.K.Chen, C.K. Chan, G.W. Lu, Y.C. Ku, C.L. Lin, “Optical Performance
Monitoring and Network Diagnosis in Reconfigurable Optical Networks,” Asia
Pacific Optical Communications Communication Conference, APOC 2007, Paper
6784-54 (Invited Paper), Wuhan, PRC, Nov. 2007.
8. G.W.Lu, L.K. Chen, “Enhancing the Monitoring Sensitivity of DOP-based OSNR
Monitors in High OSNR Region Using Off-center Narrow-band Optical
Filtering,” Optics Express, vol. 15, no.3, pp. 823-828, Feb. 2007.
9. G.W.Lu, K.T. Tsai, Winston I. May, L.K. Chen, “Experimental Demonstration of
Resolution-Enhanced Residual Chromatic-Dispersion Monitoring Using Half-bit
Delay-interferometer Filtering for RZ-OOK System,” European Conference on
Optical Communications, ECOC 2006, Paper We3.P.67, Cannes, France, Sep. 2006.
10. K.T.Tsai, G.W. Lu, L.K. Chen, Winston I. Way, “Alignment Monitoring Technique
for Pulse Carver and Data Modulator in RZ-DPSK Systems Using an Optical
Frequency Discriminator,” IEEE Photonics Technology Letters, vol. 18, no.
10, pp. 1119-1121, May. 2006.
11. G.W.Lu, M.H. Cheung, L.K. Chen, C.K. Chan, “Simple PMD-Insensitive OSNR
Monitoring Scheme Assisted by Transmitter-side Polarization Scrambling,”
Optics Express, vol. 14, pp. 58 – 62, Feb. 2006.
12. G.W.Lu, M.H. Cheung, L.K. Chen, C.K. Chan, “Simultaneous PMD and OSNR
Monitoring by Enhanced RF Spectral Dip Analysis Assisted with a Local Large-DGD
Element,” IEEE Photonics Technology Letters, vol. 17, no. 12, pp.
2790-2792, Dec. 2005.
13. G.W.Lu, M.H. Cheung, L.K. Chen, C.K. Chan, “PMD-insensitive DOP-Based OSNR
Monitoring Assisted by Transmitter-Side Polarization Scrambling,” European
Conference on Optical Communications, ECOC 2005, Paper We4.P.120, Glasgow,
United Kingdom, Sep. 2005.
14. S.T.Ho, L.K. Chen, C.K. Chan, “On Requirements of Number and Placement of
Optical Monitoring Modules in All-Optical Networks,” Opto-Electronics and
Communications Conference, OECC 2005, Paper 7A2-2, Seoul, Korea, Jul. 2005.
15. L.K.Chen, M.H. Cheung, C.K. Chan, “From Optical Performance Monitoring to
Optical Network Management: Research Progress and Challenges,”
International Conference on Optical Communications and Networks, ICOCN 2004,
(Invited Paper), Hong Kong, Nov. 2004.
16. M.H.Cheung, L.K. Chen, C.K. Chan, “PMD-Insensitive OSNR Monitoring based on
Polarization-Nulling with Off-Center Narrowband Filtering,” IEEE Photonics
Technology Letters, vol. 16, no. 11, pp. 2562-2564, Nov. 2004.
17. G.W.Lu, M.H. Cheung, L.K. Chen, C.K. Chan, “Simultaneous PMD and OSNR
Monitoring by Enhanced RF Spectral Dip Analysis Assisted with a Local Large-DGD
Element,” European Conference on Optical Communications (ECOC), Paper
We4.P.092, Stockholm, Sweden, Sep. 2004.
18. G.W.Lu, C. Xie, Y.C. Ku, L.K. Chen, C.K. Chan, “Enhanced PMD Monitoring with
Frequency-Resolved SOP Rotation by Self-phase Modulation,” IEEE Photonics
Technology Letters, vol. 16, no. 9, pp. 2180-2182, Sep. 2004.
19. M.H.Cheung, L.K. Chen, C.K. Chan, “PMD-insensitive OSNR Monitoring Scheme
based on Polarization-nulling with Off-center Narrowband Filtering,”
IEEE/OSA Optical Fiber Communication Conference, OFC 2004, Paper FF2, Los
Angeles, USA, Feb. 2004.
20. M.H.Cheung, L.K. Chen, C.K. Chan, “On Robustness of In-band
Polarization-Assisted OSNR Monitoring Schemes Against PMD,” IEEE Pacific
Rim Conference on Lasers and Electro-Optics, CLEO Pacific Rim 2003, Paper
W1J-(13)-5, Taipei, Taiwan, Dec 2003.
21. L.K.Chen, M.H. Cheung, C.K. Chan, F. Tong, “Performance Monitoring in
Transparent Reconfigurable WDM Networks,” OptoElectronics and
Communications Conference, OECC, (Invited Paper), Paper 14D1.1, Shanghai, PRC,
Oct. 2003.
22. Kit
Chan, C.K. Chan, F. Tong, L.K. Chen, “Performance Supervision For Multiple
Optical Amplifiers in WDM Transmission System Using Spectral Analysis,”
IEEE Photonics Technology Letters, vol. 14, no. 5, pp.705-707, May 2002
23. L.Y.Chan, S. L. Fung, S. H. Wong, Y. K. Chan, F. Tong, L.K. Chen, S. Y. Cheung,
“Demonstration of Multi-Wavelength Monitoring in WDM Systems Using
Injection-Locked Fabry-Perot Laser Diode,” IEEE CLEO/Pacific Rim ’01,
Paper ThB2-3, Chiba, Japan, Jul. 2001
24. Kit
Chan, C.K. Chan, F. Tong, L.K. Chen, “A Novel FFT-based EDFA Supervisory
Scheme for WDM Transmission Systems,” European Conference on Optical
Communications, ECOC ’01, Paper We.P47, Amsterdam, the Netherlands, Sep. 2001
25. F.Tong, C.K. Chan, L.K. Chen, D. Lam, “Surveillance for WDM Systems Using
Fiber Bragg Gratings,” Fifth Optoelectronics and Communications
Conference, OECC ’00, paper 14A3, pp. 460 – 461, Chiba Japan, 10 – 14 July
2000.
26. K.P.Ho, H. Yu, L.K. Chen, F. Tong, “High-Resolution Measurement and Spectral
Overlap of Cross-Phase Modulation Induced Spectral Broadening,” IEEE
Photonics Technology Letters, Nov 2000, Vol. 12, No. 11, pp. 1534 – 1536
27. K.P.Ho, L.K. Chen, F. Tong, “Modeling of Waveform Distortion Due to Optical
Filtering,” IEEE/OSA Journal of Selected Topics on Quantum Electronics,
March/April 2000, Vol. 6, No. 2, pp. 223 – 226
28. K.P.Ho, Eddie T.P. Kong, L.Y. Chan, L.K. Chen, F. Tong, “Analysis and
Measurement of Root-Mean-Squared Bandwidth of Cross-Phase-Modulation-Induced
Spectral Broadening,” IEEE Photonics Technology Letters, vol. 11, no. 9,
pp. 1126 – 1128, 1999.
29. P.W
Sun, L.K. Chen, F. Tong, C.K Chan, D. Lam, “Demonstration of a Scalable
Fault Surveillance Scheme for WDM Transmission Links,” IEEE CLEO/Pacific
Rim ’99, Seoul, Korea, 30 Aug – 3 Sep 1999, paper ThT4, pp. 779 – 780
30. F.Tong, C.K. Chan, L.K. Chen, D. Lam, “Fault Surveillance Schemes for
Optical Components and Systems Using Fiber Bragg Gratings and Optical
Amplifiers as Monitoring Sources,” OSA Trends in Optics and Photonics,
Vol. 20, Optical Networks and Their Applications, Sep 1998, pp. 84 – 90
31. K.P.Ho, C.K. Chan, F. Tong, L.K. Chen, “Exact Analysis of Homodyne Crosstalk
Induced Penalty in WDM Networks,” IEEE Photonics Technology Letters, March
1998, Vol. 10, No. 3, pp. 457 – 458
32. K.P.Ho, C.K. Chan, F. Tong, L.K. Chen, “Exact Analysis of Homodyne Crosstalk
Induced Penalty in Optical Networks,” SPIE Photonics Taiwan, July 1998,
pp. 72 – 77
Optical Networks
1. Y.Hong, L.K. Chen, X. Guan, “Adaptive Physical-layer Network Coding over
Visible Light Communications,” IEEE/OSA Optical Fiber Communication
Conference (OFC), Paper Th1E.4, Los Angeles, California, USA, Mar. 2017.
2. L.K.Chen, H.T. Luk, “Proactive Performance Monitoring in Software Defined
Networking,” Asia Communications and Photonics Conference and Exhibition
(ACP), Paper ASu3H.1 (Invited), Hong Kong, Nov. 2015.
3. L.K.Chen, M. Li, S.C. Liew, “Optical Physical-Layer Network Coding, Recent
Developments, and Challenges,” IEEE Photonics Journal, (Invited) vol. 7,
no. 3, Jun. 2015.
4. H.T.Luk, L.K. Chen, “Active Probing assisted Monitoring for Software Defined
Networks,” IEEE/OSA Optical Fiber Conference (OFC), Paper W4J.2, Los
Angeles, California, USA, 2015.
5. L.K.Chen, M. Li, S. C. Liew, “Optical physical-layer network coding, another
dimension to increase network capacity?” IEEE Photonics Conference (IPC),
Paper (invited) 2014, Oct. 2014.
6. M.Li, Y. Wu, L.K. Chen, S.C. Liew, “Common-Channel Optical Physical-Layer
Network Coding,” IEEE Photonics Technology Letters, vol. 26, no. 13, pp.
1340-1343, July 1, 2014
7. P.H.Yuen, L.K. Chen, “Optimization of Microring-Based
Interconnection by Leveraging the Asymmetric Behaviors of Switching
Elements,” IEEE OSA Journal of Lightwave Technology, vol. 31, no. 10, pp.
1585 – 1592, 2013.
8. Z.C.Xie, L.K. Chen, “Resource Optimization of Consolidating Two Coexisting
Networks With Interconnections,” Journal of Optical Communications and
Networking, vol. 4, no. 11, pp. 936 – 946, 2012.
9. Q.K.Wang, K.H. Tse, L.K. Chen, S.-C. Liew, “Physical-Layer Network Coding for
VPN in TDM-PON,” IEEE Photonics Technology Letters, vol. 24, no. 23, pp.
2166 – 2168, 2012.
10. Z.C.Xie, L.K. Chen, “Consolidation of Optical Networks with 1:1
Protection,” Opto-Electronics and Communications Conference, OECC 2009,
Hong Kong, Jul. 2009.
11. S.T. Ho, L.K. Chen, “Monitoring of Linearly Accumulated Optical Impairments
in All-Optical Networks,” Journal of Optical Communications and
Networking, vol. 1, no. 1, pp. 125 – 141, Jun. 2009.
12. R.H.M.
Leung, Z.C. Xie, L.K. Chen, “Optimization of Operational Fiber Links and
Interconnections for the Merger of Two Networks,” Optical Fiber
Technology, vol. 15, no. 1, pp. 57 – 64, Jan. 2009.
13. Z.C.Xie, R.H.M. Leung, L.K. Chen, C.K. Chan, “Optimal Location Analysis of Two
Interconnections for the Consolidation of Two Networks,” IEEE/OSA Optical
Fiber Communication Conference / National Fiber Optic Engineers Conference ,
OFC/NFOEC 2008, Paper JThA85, San Diego, USA, Feb. 2008.
14. Z.C.Xie, L.K. Chen, R.H.M. Leung, C.K. Chan, “An Algorithm for Resource
Optimization of Consolidating Two Coexisting Networks,” Opto-Electronics
and Communications Conference, OECC 2007, Paper 13A2-6, Yokohama, Japan, Jul.
2007.
15. R.H.M.
Leung, L.K. Chen, “Resources Optimization of Integration Separate Optical
Networks,” IEEE/OSA Optical Fiber Communication Conference / National
Fiber Optic Engineers Conference, OFC/NFOEC 2006, Paper NThE5, Anaheim,
California, USA, Mar. 2006.
16. H.L.Lai, Y.B. Lee, L.K. Chen, “A Monotonic-Decreasing Rate Scheduler for
Variable-Bit-Rate Video Streaming,” IEEE Transactions on Circuits and
Systems for Video Technology, Vol.15, No.2, 2005.
17. W.Hung, C.K. Chan, L.K. Chen, “An Optical Packet Routing Loop Mitigation
Scheme using Periodically Phase-modulated Time-to-live (TTL) Field,”
IEEE/OSA Optical Fiber Communication Conference, OFC 2004, Paper TuQ4, Los
Angeles, USA, Feb. 2004.
18. W.Hung, C.K. Chan, L.K. Chen, F. Tong, “A Novel Optical Packet Labeling
Scheme Using Interleaved Low-Speed DPSK Labels,” IEEE Photonics Technology
Letters, vol. 16, no. 2, pp. 698-700, Feb 2004.
19. W.Hung, C.K. Chan, L.K. Chen, F. Tong, “A Bit-Serial Optical Packet Label
Swapping Scheme using DPSK Encoded Labels,” IEEE Photonics Technology
Letters, vol. 15, no. 11, pp. 1630-1632, Nov. 2003.
20. W.Hung, C.K. Chan, L.K. Chen, F. Tong, “A Novel Phase Encoding Scheme for
Optical Packet Label Processing,” European Conference on Optical
Communications ECOC, Paper Tu4.4.4, Rimini, Italy, Sept. 2003.
21. Y.Zhang, L.K. Chen, C.K. Chan, “A Multi-Domain Two-Layer Labelling Scheme
for Optical Packet Switched Networks with Label-Swapping-Free Forwarding,”
European Conference on Optical Communications ECOC, Paper Mo3.4.5, Rimini,
Italy, Sept. 2003.
22. W.Hung, C.K. Chan, L.K. Chen, F. Tong, “Demonstration of an Optical Packet
Label Swapping Scheme Using DPSK Encoded Bit-Serial Labels,” IEEE
CLEO/Pacific Rim, Paper W2A-(13)-3, Taipei, Taiwan, Dec. 2003.
23. Y.T.Tse, L.K. Chen, C.K. Chan, “A Distributed Collision Avoidance Protocol
using Pilot Tone-based Carrier Sense Mechanism for Passive Optical
Networks,” IEEE/OSA Optical Fiber Communication Conference, OFC’03, Paper
TuR4, Atlanta, Georgia, USA, Mar. 2003.
24. W.Hung, M.H. Cheung, S.T. Ho, L.K. Chen, C.K. Chan, “Optical Sampled
Subcarrier Multiplexing Scheme for Nonlinear Distortion Reduction in Lightwave
CATV Networks,” IEE Electronics Letters, vol. 38, no. 25, pp. 1702-1705,
Dec. 2002.
25. Y.Zhang, L.K. Chen, C.K. Chan, “Performance Analysis of Multi-Dimensional
Optical Routing Networks,” Asia-Pacific Optical and Wireless
Communications Conference, APOC ’02, no. 4910-05, Shanghai, PRC, Oct. 2002.
26. W.Hung, Kit Chan, L.K. Chen, C.K. Chan, F. Tong, “A Routing Loop Control
Scheme in Optical Layer for Optical Packet Networks,” IEEE/OSA Optical
Fiber Communication Conference, OFC ’02, Paper ThGG111, Anaheim, California,
USA, Mar. 2002
27. Kit
Chan, F. Tong, C.K. Chan, L.K. Chen, W. Hung, “An All-Optical Packet
Header Recognition Scheme for Self-Routing Packet Networks,” IEEE/OSA
Optical Fiber Communication Conference, OFC ’02, Paper WO4, Anaheim,
California, USA, Mar. 2002
28. Y.G.Wen, Y. Zhang, L.K. Chen, “On Architecture and Limitation of Optical
Multi-Protocol Label Switching (MPLS) Networks Using Optical-Orthogonal-Code
(OOC)/Wavelength Label,” Optical Fiber Technology, (Invited paper), vol.
8, pp.43-70, 2002
29. Y.Zhang, L.K. Chen, “Performance Improvement by Code Conversion in a
Reconfigurable Optical Code/Wavelength Routing Network,” Asian-Pacific
Optical and Wireless Communication Conference, APOC ’01, vol. 4584, no. 26, pp.
186-193, Beijing, China, Nov. 2001
30. Y.G.Wen, L.K. Chen, F. Tong, “Fundamental Limitation and Optimization on
Optical Code Conversion for WDM Packet Switching Networks,” IEEE/OSA
Optical Fiber Communications Conference, OFC ’01, Paper TuV3, Anaheim, CA, USA,
17 – 22 March 2001
31. Y.G.Wen, L.K. Chen, K.P. Ho, F. Tong, “An All-Optical Code Converter Scheme
for OCDM Routing Networks,” European Conference on Optical Communication,
ECOC 2000, Munich Germany, 2 – 7 Sep 2000, paper P4.5, pp. 241 – 242
32. Kit
Chan, F. Tong, L.K. Chen, K.P. Ho, “Dynamic Routing in the Crosstalk
Reduced Optical Add/Drop Multiplexer,” Optical Fiber Communications
Conference, OFC ’00, Baltimore, MD, USA, 5 – 10 March 2000, paper WM36, pp. 317
– 319
33. W.Hung, L.K. Chen, F. Tong, K.P. Ho, L.Y. Chan, T. Shimizu, H. Yokoyama,
“Demonstration of a 10Gb/s Channel-Tunable Mode-Locked Laser Transmitter
for OTDM Networks,” IEEE Lasers and Electro-Optics Society Annual Meeting,
LEOS ’99, San Francisco, California, 8 -11 Nov 1999, paper WR3, pp. 539 – 540
34. S.K.Liaw, K.P. Ho, L.K. Chen, F. Tong, S. Chi, “High-Dynamic-Range Optical
Cross-Connect Device Using Fiber Bragg Gratings,” IEEE Photonics
Technology Letters, Aug 1999, Vol. 11, No. 8, pp. 1054 – 1056
35. J.G.Zhang, L.K. Chen, W.C. Kwong, K.W Cheung, A.B. Sharma, “Experiments on
High-Speed All-Optical Code-Division Multiplexing Systems Using All-Serial
Encoders and Decoders for 2n Prime Code,” IEEE Journal on Selected Topics
in Quantum Electronics, March/April 1999, Vol. 5, No. 2 , pp. 368 – 375
36. J.G. Zhang, L.K. Chen, K.W. Cheung, W.C. Kwong, A.B. Sharma, “Very High
Speed All Optical Code-division Multiplexing Systems Using a 2n Prime
Code,” Journal of Applied Optics, 1999, Vol. 38, No. 34, pp. 1751 – 1753
37. J.G.Zhang, L.K. Chen, W.C. Kwong, K.W. Cheung, A.B. Sharma, “Experiments on
High-Speed All-Optical Code-Division Multiplexing (CDM) Systems Using a 2n
Prime Code,” International Conference on Communications, ICC ’98, Atlanta,
GA, USA, 7 – 11 June 1998, Vol. 3, pp. 1294 – 1298
38. J.G.Zhang, W.C. Kwong, L.K. Chen, K.W. Cheung, “Synchronous All-Optical
Code-Division Multiple-Access Networks,” European Transactions on
Telecommunications, ETT, 1997, Vol. 8, No. 2, pp. 179 – 190
39. Y.H.Wang, L.K. Chen, K.W. Cheung, “Performance Study of ACTA as an Efficient
High Speed Multi-Channel Integrated Services Network,” IEEE International
Conference on Communications, ICC ’97, Montreal, Que., Canada, 8 – 12 June 1997,
pp. 1699 – 1703
40. L.K.Chen, K.W. Cheung, C.K. Chan, “Technology for 100 Gbits/s
Optical Networks,” Opto News & Letters, No.
6, National Science Foundation, Taiwan, Aug 1996, pp.13 – 17
41. Y.H.Wang, L.K. Chen, K.W. Cheung, “Performance Improvement with Slot Reuse on
a High Speed Multiaccess Network,” International Conference on
Communications Technology, ICCT ’96, Beijing, China, May 1996, paper 19.04, pp.
623 – 626
42. J.G.Zhang, Wing C. Kwong, L.K. Chen, K.W. Cheung, “A Feasible Architecture for
High-speed Synchronous CDMA Distribution Network Using Optical
Processing,” IEEE GLOBECOM’95, Singapore, 13 – 17 Nov 1995, pp. 1794 –
1798
43. Y.H
Wang, L.K. Chen, K.W. Cheung, “Performance of Integrated Services on a
High Speed Multimedia Network,” IEEE GLOBECOM’95, Singapore, 13 – 17 Nov
1995, pp. 780 – 784
44. K.W.Cheung, L.K. Chen, C. Su, C.T. Yeung, P.T. To, “Tunable-Channel
Multi-Access (TCMA) Networks: A New Class Of High-Speed Networks Suitable For
Multimedia Integrated Networking,” SPIE-Multigigabit Fiber Communication
System, San Diego, CA, USA, July 1993, Vol. 2024, pp. 122 – 133
Digital/Optical Signal Processing
1. L.Liu, Y. Hong, L.K. Chen, “A Frame Averaging based Signal Tracing (FAST)
Algorithm for Optical Camera Communications,” Asia Communications and
Photonics Conference and Exhibition (ACP) , Paper 359,
Hangzhou, China, Oct. 2018.
2. Y.Shao, Y. Hong, S. Gao, L.K. Chen, “Faster-than-Nyquist DFT-S-OFDM over
Visible Light Communications,” Opto-Electronics and Communications
Conference (OECC), Paper 6A2-1, Jeju, Korea, Jul. 2018.
3. Y.Hong, T. Song, Y. Shao, L.K. Chen, C. Lim, K.L. Lee, “On the Performance
of Probabilistically-Shaped CAP over Optical Wireless Communications,”
Opto-Electronics and Communications Conference (OECC) , Paper 4A4-4, Jeju,
Korea, Jul. 2018.
4. Z.Y.Hu, S. Gao, Y. Shao, L.K. Chen, C.K. Chan, ” A Robust Channel Processor
for Faster-than-Nyquist Non-Orthogonal FDM Visible Light Communication
Systems,” European Conference on Optical Communications (ECOC) , Paper
Th2.18, Rome, Italy, Sep. 2018.
5. Y.Fu, Y. Hong, L.K. Chen, C.W. Sung, “Enhanced Power Allocation for Sum Rate
Maximization in OFDM-NOMA VLC Systems,” IEEE Photonics Technology Letters,
vol. 30, no. 13, pp. 1218 – 1221, Jul. 2018.
6. H.M. Lu, Y. Hong, L.K. Chen, J. P. Wang, “On the study of the relation
between linear/nonlinear PAPR reduction and transmission performance for
OFDM-based VLC systems,” Optics Express, vol. 26, no. 11, pp. 13891 –
13901, May. 2018.
7. Z.Y.Hu, J. Zhao, Y. Hong, S. Gao, C.K. Chan, L.K. Chen, “Set-Partitioned QAM
Fast-OFDM with Real-Valued Orthogonal Circulant Matrix Transform
Pre-Coding,” IEEE Conference on Lasers and Electro-Optics (CLEO) , San
Jose, California, USA, May. 2018.
8. Y.Hong, S. Gao, L.K. Chen, J. Zhao, “SNR-threshold based Adaptive Loading
for PAM-Fast-OFDM over Optical Wireless Communications,” IEEE/OSA Optical
Fiber Communication Conference (OFC) , Paper M2K.4, San Diego, California, USA,
Mar. 2018.
9. Y.Shao, Y. Hong, L.K. Chen, “On CSI-free Linear Equalization for Optical
Fast-OFDM over Visible Light Communications,” IEEE/OSA Optical Fiber
Communication Conference (OFC) , Paper M3K.5, San Diego, California, USA, Mar.
2018.
10. X.Wu, Y. Hong, Y. Tong, L. Chang, W. Zhou, L.K. Chen, “Monolithic
Dual-polarization Silicon Modulator for 180 Gb/s DMT Signal Transmission,”
IEEE/OSA Optical Fiber Communication Conference (OFC) , Paper W4D.3, San Diego,
California, USA, Mar. 2018.
11. J.Shi, Y. Hong, J. He, R. Deng, L.K. Chen, “Experimental Demonstration of
OQAM-OFDM based MIMO-NOMA over Visible Light Communications,” IEEE/OSA
Optical Fiber Communication Conference (OFC) , Paper M2K.3, San Diego,
California, USA, Mar. 2018.
12. J.Tang, L.K. Chen, J. Zhao, “Dynamic Property Investigation of Optical Burst
Injection Locking Lasers,” Conference on Lasers and Electro-Optics Pacific
Rim, OptoElectronics and Communications Conference, and Photonics Global
Conference 2017 (CLEO-PR, OECC and PGC 2017) , Paper P3-152, Singapore, Aug.
2017.
13. H.M. Lu, Y. Hong, L.K. Chen, J. P. Wang, “Experimental Investigation on
Impacts of PAPR Reduction Schemes in OFDM-based VLC Systems,” Conference
on Lasers and Electro-Optics Pacific Rim, OptoElectronics and Communications
Conference, and Photonics Global Conference 2017 (CLEO-PR, OECC and PGC 2017) ,
Paper P3-006, Singapore, Aug. 2017.
14. L.K.Chen, Y. Hong, “Channel-independent Signal Processing for High-speed VLC
Systems,” Conference on Lasers and Electro-Optics Pacific Rim,
OptoElectronics and Communications Conference, and Photonics Global Conference
2017 (CLEO-PR, OECC and PGC 2017) , Paper 3-3L-3 (Invited Paper), Singapore,
Aug. 2017.
15. Y.Hong, L.K. Chen, “Multi-band Orthogonal Circulant Matrix Transform
Precoding over Visible Light Communications,” Conference on Lasers and
Electro-Optics Pacific Rim, OptoElectronics and Communications Conference, and
Photonics Global Conference 2017 (CLEO-PR, OECC and PGC 2017) , Paper 3-1L-3,
Singapore, Aug. 2017.
16. Y.Hong, J. Xu, L.K. Chen, “Experimental investigation of multi-band OCT
precoding for OFDM-based visible light communications,” Optics Express,
vol. 25, no. 11, pp. 12908 – 12914, May. 2017.
17. J.Zhao, L.K. Chen, “Adaptively loaded IM/DD optical OFDM based on
set-partitioned QAM formats,” Optics Express, vol. 25, no. 8, pp. 9368 –
9377, Apr. 2017.
18. J.Zhao, L.K. Chen, “First Investigation of Set-Partition Format based IM/DD
OFDM for Fiber Communications,” IEEE Conference on Lasers and
Electro-Optics (CLEO) , Paper STh1O.4, San Jose, California, USA, May. 2017.
19. Y.Hong, L.K. Chen, J. Zhao, “Experimental Demonstration of
Performance-enhanced MIMO-OFDM Visible Light Communications,” IEEE/OSA
Optical Fiber Communication Conference (OFC) , Paper Th1E.2, Los Angeles,
California, USA, Mar. 2017.
20. T.Wu, L.K. Chen, Y. Hong, “A vision-based indoor positioning method with
high accuracy and efficiency based on self-optimized-ordered visual
vocabulary,” IEEE/ION Position, Location and Navigation Symposium (PLANS),
Savannah, United States, Jan. 2016.
21. Y.Hong, L.K. Chen, “Performance Investigation of OCT Precoding for MIMO-OFDM
Based Indoor Visible Light Communications,” International Conference on
Transparent Optical Networks (ICTON), Paper Mo.D 2.4,
Trento, Italy, Jul. 2016.
22. Y.Hong, L.K. Chen, “OCT Precoding for OFDM-based Indoor Visible Light
Communications,” Opto-Electronics Communication Conference/International
Conference on Photonics in Switching (OECC/PS) , Paper TuD3-3, Niigata, Japan,
Jul. 2016.
23. Y.Hong, X. Guan, L.K. Chen, J. Zhao, “Experimental Demonstration of an
OCT-based Precoding Scheme for Visible Light Communications,” IEEE/OSA
Optical Fiber Communication Conference (OFC) , Paper M3A.6, Anaheim,
California, USA, Mar. 2016.
24. Y.Hong, T. Wu, L.K. Chen, “On the Performance of Adaptive MIMO-OFDM Indoor
Visible Light Communications,” IEEE Photonics Technology Letters, vol. 28,
no. 8, pp. 907-910, Apr. 2016.
25. J.Zhao, L.K. Chen, “Improved Offset-QAM OFDM Scheme with Enhanced Dispersion
Tolerance,” Asia Communications and Photonics Conference and Exhibition
(ACP), Paper ASu1F.3, Hong Kong, Nov. 2015.
26. M.Li, J. Zhao, L.K. Chen, “Multi-symbol QPSK partitioning for improved
frequency offset estimation of 16-QAM signals,” IEEE Photonics Technology
Letters, vol. 27, no.1, pp. 18-21, 2015.
27. M.Li, J. Zhao, L.K. Chen, “Least-squares carrier frequency offset estimation
for coherent optical QPSK receivers ,” “Least-squares carrier
frequency offset estimation for coherent optical QPSK receivers,” 9th
International Symposium on Communication Systems, Networks & Digital Signal
Processing (CSNDSP2014), Manchester, UK, 2014.
28. M.Li, Y. Wu, L.K. Chen, S.C. Liew, “Common-Channel Optical Physical-Layer
Network Coding,” IEEE Photonics Technology Letters, vol. 26, no. 13, pp.
1340-1343, July 1, 2014
29. J.Zhao, M. Li, L.K. Chen, “Joint Symbol Synchronization and Dispersion
Estimation in 16QAM Optical Fast OFDM,” Opto-Electronics and
Communications Conference held jointly with 2013 International Conference on
Photonics in Switching (OECC/PS), Paper WR-3-1, Kyoto, Japan, July 2013.
(Invited)
30. M.Li, J. Zhao, L.K. Chen, “Blind Maximum-likelihood Frequency Offset
Estimation for Coherent Fast OFDM Receivers,” Opto-Electronics and
Communications Conference held jointly with 2013 International Conference on
Photonics in Switching (OECC/PS), Paper TuPR-11, Kyoto, Japan, July 2013.
31. L.K.Chen, M. Li, “Feedforward Equalization with Diverse Optical
Filtering,” IEEE International Conference on Advanced Infocomm
Technology, ICAIT 2013, Paper (Invited), Hsinchu, Taiwan, 2013.
32. M.Li, L.K. Chen, “Blind Carrier Frequency Offset Estimation Based on Eighth-Order
Statistics for Coherent Optical QAM Systems,” IEEE Photonics Technology
Letters, vol. 23, no. 21, pp. 1612 – 1614, 2011.
33. J.Xu, Z.X. Liu, W. Jia, L.K. Chen, “A Novel Chirp-free Optical Manchester
Signal Transmitter with Enhanced Dispersion Tolerance,” Asia
Communications and Photonics Conference and Exhibition (ACP) 2010, Paper SA 2,
Shanghai, China, Dec. 2010.
34. L.Wu, M. Li, F. Zhang, Z.Y. Chen, L.K. Chen, A.S. Xu, “Fibre Nonlinearity
Mitigation of OOK Signals with MLSE Utilising MZ
Filter for Diverse VSB Filtering,” IEE Electronics Letters, vol. 46, no.
11, pp. 780 – 781, May 2010.
35. J.Zhao, L.K. Chen, “Dispersion Compensation of DQPSK Signal Using Multi-Chip
Joint Maximum-Likelihood Sequence Estimation,” Opto-Electronics and
Communications Conference, OECC 2009, Hong Kong, Jul. 2009.
36. K.M.Chong, J. Xu, L.K. Chen, “4-wavelength 2R Regeneration Based on Self-phase
Modulation and Inter-channel Walk-off Control in Bidirectional Fiber
Configuration,” , (ACP) 2009, Paper Proc. of SPIE-OSA-IEEE Asia Communications
and Photonics, SPIE Vol. 7632, 763203, Shanghai, China, 2009.
37. J.Zhao, L.K. Chen, “Dispersion Compensation Using Decision-Feedback MLSE for
Spectrally-Efficient Optical Transmission,” European Conference on Optical
Communications, ECOC 2009, Vienna, Austria, Sep. 2009.
38. Kin-Man
Chong, L.K. Chen, “Optical 3R Regeneration for 10 Synchronous Channels
Using Self-Phase Modulation in a Bidirectional Fiber Configuration,”
Opto-Electronics and Communications Conference, OECC 2009, Hong Kong, Jul. 2009.
39. Kenneth
K. Y. Wong, Bill P. P. Kuo, G.W. Lu, P. C. Chui, L.K.
Chen, “Reduction of Nonlinear Crosstalk in Fiber OPAs,” IEEE/LEOS
Winter Topical Meeting Series, 2008, 2008.
40. S.T.Ho, G.W. Lu, L.K. Chen, C.K. Chan, “Reduction of Optical Beat Noise in
Optical Sampled Subcarrier Multiplexing Systems Using Polarization
Interleaved-OTDM Technology,” International Conference on Optical
Communications and Networks, ICOCN 2008, Paper C3-3A-05, Singapore, Dec. 2008.
41. J.Zhao, L.K. Chen, “Three-chip differential phase-shift keying maximum
likelihood sequence estimation for chromatic-dispersion and polarization mode-dispersion
compensation,” OSA Optics Letters, vol. 32, no. 12, pp. 1746 – 1748, 2007.
42. J.Zhao, L.K. Chen, “Electronic equalization of 10Gbit/s upstream signals for
asynchronous-modulation and chromatic-dispersion compensation in a high-speed
centralized supercontinuum broadband-light-source WDM-PON,” Journal of
Optical Communications and Networking, vol. 6, no. 9, pp. 1105 – , 2007.
43. J.Zhao, L.K. Chen, C.K. Chan, “Impairment Mitigation by Maximum Likelihood
Sequence Estimation in Advanced Modulation Format,” Opto-Electronics and
Communications Conference, OECC 2007, Paper 13B2-1 (Invited), Yokohama, Japan,
Jul. 2007.
44. J.Zhao, L.K. Chen, C.K. Chan, “Maximum Likelihood Sequence Estimation for
Chromatic Dispersion Compensation in 4-ASK Modulation Format,”
Opto-Electronics and Communications Conference, OECC 2007, Paper 13B2-2,
Yokohama, Japan, July 2007
45. K.K.Y.
Wong, G.W. Lu, L.K. Chen, “Polarization-Interleaved WDM Signals in a Fiber
Optical Parametric Amplifier with Orthogonal Pumps,” Optics Express, vol.
15, no.1, pp.56-61, Jan. 2007
46. K.K.Y.
Wong, G.W. Lu, K.C. Lau, P.K.A. Wai, L.K. Chen, “All-Optical Wavelength
Conversion and Multicasting by Cross-Gain Modulation in a Single-Stage Fiber
Optical Parametric Amplifier,” IEEE/OSA Optical Fiber Communication
Conference / National Fiber Optic Engineers Conference , OFC/NFOEC 2007, Paper
OTuI4, Anaheim, California, USA, Mar. 2007.
47. J.Zhao, L.K. Chen, C.K. Chan, “Joint Maximum Likelihood Sequence Estimation
for Chromatic Dispersion Compensation in ASK-DPSK Modulation Format,” IEEE
Photonics Technology Letters, vol. 19, no. 2, pp. 73-75, Jan. 2007.
48. J.Zhao, L.K. Chen, C.K. Chan, “Maximum Likelihood Sequence Estimation for Chromatic
Dispersion and Polarization Mode Dispersion Compensation in 3-Chip DPSK
Modulation Format,” IEEE/OSA Optical Fiber Communication Conference /
National Fiber Optic Engineers Conference, OFC/NFOEC 2007, Paper OMG3, Anaheim,
California, USA, Mar. 2007.
49. K.K.Y.
Wong, G.W. Lu, L.K. Chen, “Simultaneous All-optical Inverted and
Non-inverted Wavelength Conversion Using a Single-stage Fiber Optical
Parametric Amplifier,” IEEE Photonics Technology Letters, vol. 18, no. 13,
pp. 1442-1444, Jul. 2006.
50. J.Zhao, L.K. Chen, C.K. Chan, “Tolerance of Misalignment between ASK and
DQPSK Modulation in ASK/DQPSK Orthogonal Modulation Systems,”
Opto-Electronics and Communications Conference, OECC 2006, Paper 5F3-3,
Kaohsiung, Taiwan, Jul. 2006.
51. K.K.Y.
Wong, G.W. Lu,, L.K. Chen, “Simultaneous All-Optical Inverted and
Non-Inverted Wavelength Conversion Using a Single-Stage Fiber Optical
Parametric Amplifier,” IEEE/OSA Optical Fiber Communication Conference /
National Fiber Optic Engineers Conference , OFC/NFOEC 2006, Paper OWI39,
Anaheim, California, United States, Mar. 2006.
52. G.W.Lu, L.K. Chen, C.K. Chan, “Novel NRZ-to-RZ Format Conversion with Tunable Pulsewidth Using Phase Modulator and Interleaver ,”
IEEE/OSA Optical Fiber Communication Conference / National Fiber Optic Engineers
Conference , OFC/NFOEC 2006, Paper JThB32, Anaheim, California, United States,
Mar. 2006.
53. J.Zhao, L. Huo, C.K. Chan, L.K. Chen, C.L. Lin,
“Analytical Investigation of Optimization, Performance Bound, and
Chromatic Dispersion Tolerance of 4-Amplitude-Shifted-Keying Format ,”
IEEE/OSA Optical Fiber Communication Conference / National Fiber Optic
Engineers Conference , OFC/NFOEC 2006, Paper JThB15, Anaheim, California,
United States, Mar. 2006.
54. K.K.Y.
Wong, G.W. Lu, L.K. Chen, M.E. Marhic,
“Experimental Reduction of WDM Signal Crosstalk in Fibre Optical
Parametric Amplifiers by Using Orthogonal Pumps,” European Conference on
Optical Communications, ECOC 2005, Paper We4.P.136, Glasgow, United Kingdom,
Sep. 2005.
55. G.W.Lu, L.K. Chen, C.K. Chan, “A Simple AMI-RZ Transmitter Based on Single-Arm
Intensity Modulator and Optical Delay Interferometer,” Optics
Communications, Vol 255/1-3 pp 35-40, 2005
56. J.Zhao, L.K. Chen, C.K. Chan, “Mitigation of Timing Misalignment Induced
Distortion Using Electronic Equalizer in RZ/CSRZ Systems,” IEEE Photonics
Technology Letters, vol. 17, no. 5, pp. 1106-1108, May 2005.
57. J.Zhao, L.K. Chen, C.K. Chan, C.L. Lin, “Performance Sensitivity to System
Parameters in Multi-Wavelength Super-Continuum Sources,” IEEE Journal of
Quantum Electronics, vol. 41, no. 5, pp. 709-716, May 2005.
58. G.W.Lu, L.K. Chen, C.K. Chan, C.L. Lin, “All-Optical Tunable Wavelength
Conversion based on Cross-Polarization Modulation in Nonlinear Photonics
Crystal Fiber,” IEE Electronics Letters, vol. 41, no. 4, pp. 55-56, Feb.
2005.
59. G.W.Lu, Y.C. Ku, L.K. Chen, C.K. Chan, “A Novel Technique for Pulse-Carver and
Data Alignment Monitoring in RZ-DPSK Systems Using Off-Center Optical
Filtering,” IEEE Photonics Technology Letters, vol. 17, no. 3, pp.
711-713, Mar. 2005.
60. G.W.Lu, L.K. Chen, C.K. Chan, “A Simple Polarization-Insensitive Optical
Parametric Amplifier Scheme Using Phase Modulator,” International
Conference on Optical Communications and Networks, ICOCN 2004, Hong Kong, Nov.
2004.
61. G.W.Lu, L.K. Chen, C.K. Chan, “Investigation of Polarization Misalignment
Induced Crosstalk in Polarization Division Multiplexing Systems with Different
Data Formats,” Opto-Electronics and Communications Conference, OECC 2004,
Paper 15C3-7, Jul. 2004.
62. W.Hung, N. Deng, C.K. Chan, L.K. Chen, “A Novel Wavelength Shift Keying
Transmitter based on Optical Phase Modulation,” IEEE Photonics Technology
Letters, vol. 16, no. 7, pp. 1739-1741, Jul. 2004.
63. G.W.Lu, Kit Chan, L.K. Chen, C.K. Chan, “Robustness of DPSK-WDM Systems against
Nonlinear Polarization Fluctuation,” IEEE Photonics Technology Letters,
vol. 16, no. 3, pp. 927-929, Mar. 2004.
64. J.Zhao, L.K. Chen, C.K. Chan, C.L. Lin, “Analysis of Performance
Optimization in Super-continuum Sources,” OSA Optics Letters, vol. 29, no.
5, pp. 489-491, Mar. 2004.
65. W.Hung, C.K. Chan, L.K. Chen, F. Tong, “A Novel Phase Encoding Scheme for
Optical Packet Label Processing,” European Conference on Optical
Communications ECOC, Paper Tu4.4.4, Rimini, Italy, Sept. 2003.
66. Kit
Chan, C.K. Chan, L.K. Chen, F. Tong, “Mitigation of Pattern-induced
Degradation in SOA-Based All-Optical OTDM Demultiplexers by using RZ-DPSK
Modulation Format,” European Conference on Optical Communications ECOC,
Paper Mo4.3.5, Rimini, Italy, Sept 2003.
67. G.W.Lu, Kit Chan, L.K. Chen, C.K. Chan, “Performance of DPSK-WDM Systems
Against Nonlinear Polarization Fluctuation,” IEEE CLEO/Pacific Rim, Paper
W4A-(13)-2, Taipei, Taiwan, Dec. 2003.
68. Kit
Chan, C.K. Chan, L.K. Chen, F. Tong, “Polarization Insensitive Waveform
Restoration and Channel Crosstalk Reduction in Semiconductor Optical Amplifier
Gates Using Polarimetric Filtering,” IEEE/OSA Optical Fiber Communication
Conference, OFC’03, Paper MF98, Atlanta, Georgia, USA, Mar. 2003.
69. W.Hung, M.H. Cheung, S.T. Ho, L.K. Chen, C.K. Chan, “An Optical Sampled
Subcarrier Multiplexing Scheme for Nonlinear Distortion Reduction in Lightwave
CATV Networks,” IEEE Conference on Global Communications, GLOBECOM ’02,
Paper OPNT-05-4,Taipei, Taiwan, Nov. 2002.
70. Kit
Chan, C.K. Chan, F. Tong, L.K. Chen, W. Hung, “Suppression of Pattern
Distortion in Semiconductor Optical Amplifier by Using Fiber Loop Mirror,”
IEEE Conference on Lasers and Electro-Optics, CLEO ’02, Paper CThAA2, Long
Beach, California, USA, May 2002
71. L.Y.Chan, C.K. Chan, D. T. K. Tong, F. Tong, L.K. Chen, “Upstream Traffic
Transmitter Using Injection-Locked Fabry-Perot Laser Diode as Modulator for WDM
Access Networks,” IEE Electronics Letters, vol. 38, no. 1, pp. 43-45, Jan.
2002
72. Kit
Chan, C.K. Chan, W. Hung, F. Tong, L.K. Chen, “Waveform Restoration in
Semiconductor Optical Amplifier Using Fiber Loop Mirror,” IEEE Photonics
Technology Letters, vol. 14, no. 7, pp. 995-997, Jul. 2002
73. Kit
Chan, F. Tong and L.K. Chen, “Cross Gain Modulation Suppression in SOA
Using Polarization Diversified Loop,” IEEE CLEO/Pacific Rim ’01, Paper
TuA1-4, Chiba, Japan, Jul. 2001
74. F.Tong, L.Y. Chan, C.K. Chan, L.K. Chen, “Applications of Injection Locked
FP Lasers in WDM Networks,” Optoelectronics and Communications Conference
and International Conference on Integrated Optics and Optical Fiber
Communications, OECC/IOOC ’01, (Invited paper), Paper 14A3, Sydney, Australia,
Jul. 2001
75. L.Y.Chan, F. Tong, L.K. Chen, K.P. Ho, “An Optically Controlled Wavelength
Selective Switch Using a Fabry-Perot Laser Diode,” European Conference on
Optical Communication, ECOC 2000, Munich Germany, 3 – 7 Sep 2000, paper 9.2.5,
pp. 271 – 272
76. Y.G.Wen, L.K. Chen, K.P. Ho, F. Tong, W.S. Chan, “Performance Verification of
a Variable Bit Rate Limiter for On-Off-Keying (OOK) Optical Systems,”
IEEE/OSA Journal of Lightwave Technology, 2000, Vol. 18, No. 6, pp. 779 – 786
77. W.Hung, L.K. Chen, F. Tong, K.P. Ho, L.Y. Chan, T. Shimizu, H. Yokoyama,
“Demonstration of a 10Gb/s Channel-Tunable Mode-Locked Laser Transmitter
for OTDM Networks,” IEEE Lasers and Electro-Optics Society Annual Meeting,
LEOS ’99, San Francisco, California, 8 -11 Nov 1999, paper WR3, pp. 539 – 540
78. S.K.Liaw, K.P. Ho, L.K. Chen, F. Tong, S. Chi, “High-Dynamic-Range Optical
Cross-Connect Device Using Fiber Bragg Gratings,” IEEE Photonics Technology
Letters, Aug 1999, Vol. 11, No. 8, pp. 1054 – 1056
79. J.G.Zhang, L.K. Chen, W.C. Kwong, K.W Cheung, A.B. Sharma, “Experiments on
High-Speed All-Optical Code-Division Multiplexing Systems Using All-Serial
Encoders and Decoders for 2n Prime Code,” IEEE Journal on Selected Topics
in Quantum Electronics, March/April 1999, Vol. 5, No. 2 , pp. 368 – 375
80. S.K.Liaw, K.P. Ho, L.K. Chen, F. Tong, S. Chi, “Fiber Bragg Gratings Based
Multiwavelength Cross-Connect with High Dynamic Range,” IEEE/OSA Optical
Fiber Communications Conference and the International Conference on Integrated
Optics & Optical Fiber Communication, OFC/IOOC ’99, San Diego, California,
21 – 26 Feb 1999, paper WM42, pp. 319 – 321
81. W.S.Chan, F. Tong, L.K. Chen, C.K. Chan, D. Lam, “Novel variable bit-rate
bandwidth limiter for optical transmission system,” OFC 1998, 1998.
82. W.S.Chan, F. Tong, L.K. Chen, C.K. Chan, D. Lam, “Variable Bit Rate Limiter
for On-Off-Keying Optical Links,” IEE Electronics Letters, 8 Jan 1998,
Vol.34, No.1, pp. 108 -110
83. J.Song, C.K. Chan, L.K. Chen, F. Tong, K.W. Cheung, “Sensitivity Improvement
for NRZ Optical Systems using NALM and Narrow-Band Filter,” IEEE Laser and
Electro-Optics Society Annual Meeting, LEOS ’96, WO2, Boston, USA, 1996, pp.
111 – 112
84. J.Song, C.K. Chan, F. Tong, L.K. Chen, “Extinction Ratio Induced Crosstalk
System Penalty in WDM Networks,” IEE Electronics Letters, 7 Nov 1996, Vol.
32, No. 23, pp. 2112 – 2114
Transmission Systems
1. L.K.Chen, Y. Shao, R. Deng, “Robust UOWC systems against bubble-induced impairments
via transmit/receive diversities [Invited],” Chin. Opt. Lett., vol. 17,
no. 10, pp. 100006 – , Nov. 2019.
2. Z.Y.Hu, J. Zhao, Y. Hong, S. Gao, C.K. Chan, L.K. Chen, “Set-Partitioned QAM
Fast-OFDM with Real-Valued Orthogonal Circulant Matrix Transform
Pre-Coding,” IEEE Conference on Lasers and Electro-Optics (CLEO) , San
Jose, California, USA, May. 2018.
3. X.Wu, Y. Hong, Y. Tong, L. Chang, W. Zhou, L.K. Chen, “Monolithic
Dual-polarization Silicon Modulator for 180 Gb/s DMT Signal Transmission,”
IEEE/OSA Optical Fiber Communication Conference (OFC) , Paper W4D.3, San Diego,
California, USA, Mar. 2018.
4. J.Tang, L.K. Chen, J. Zhao, “Dynamic Property Investigation of Optical Burst
Injection Locking Lasers,” Conference on Lasers and Electro-Optics Pacific
Rim, OptoElectronics and Communications Conference, and Photonics Global
Conference 2017 (CLEO-PR, OECC and PGC 2017) , Paper P3-152, Singapore, Aug.
2017.
5. J.Zhao, L.K. Chen, “Adaptively loaded IM/DD optical OFDM based on
set-partitioned QAM formats,” Optics Express, vol. 25, no. 8, pp. 9368 –
9377, Apr. 2017.
6. J.Zhao, L.K. Chen, “First Investigation of Set-Partition Format based IM/DD
OFDM for Fiber Communications,” IEEE Conference on Lasers and
Electro-Optics (CLEO) , Paper STh1O.4, San Jose, California, USA, May. 2017.
7. Y.Hong, L.K. Chen, “Toward user mobility for OFDM-based visible light
communications,” OSA Optics Letters, vol. 41, no. 16, pp. 3763 – 3766,
Aug. 2016.
8. J.Zhao, L.K. Chen, “Improved Offset-QAM OFDM Scheme with Enhanced Dispersion
Tolerance,” Asia Communications and Photonics Conference and Exhibition
(ACP), Paper ASu1F.3, Hong Kong, Nov. 2015.
9. L.K.Chen, M. Li, S.C. Liew, “Optical Physical-Layer Network Coding, Recent
Developments, and Challenges,” IEEE Photonics Journal, (Invited) vol. 7,
no. 3, Jun. 2015.
10. M.Li, J. Zhao, L.K. Chen, “Multi-symbol QPSK partitioning for improved
frequency offset estimation of 16-QAM signals,” IEEE Photonics Technology
Letters, vol. 27, no.1, pp. 18-21, 2015.
11. G.W.Lu, L.K. Chen, C.K. Chan, “Performance Comparison of DPSK and OOK Signals
with OOK-modulated Adjacent Channel in WDM Systems,” Opto-Electronics and
Communications Conference, OECC 2005, Paper 7B3-5, Seoul, Korea, Jul. 2005.
12. J.Zhao, L.K. Chen, C.K. Chan, “Performance Degradation Induced by Pulse
Carver/Data Modulator Misalignment in RZ-DPSK Systems,” IEEE Conference on
Lasers and Electro-Optics, CLEO 2005, Paper JThE62, Baltimore, Maryland, USA,
May. 2005.
13. C.Su, L.K. Chen, “Analysis of Fundamental Nonlinear Distortions in Optical
Source and the Effect on SCM Optical Networks,” International Conference
on Communication Technology, ICCT ’94, Shanghai, China, 8 – 10 June 1994, pp.
1326 – 1329
14. C.Su, L.K. Chen, C.K. Chan, “Comparison of Different Types Optical Receivers
in AM-VSB Optical SCM Systems,” International Conference on Communication
Technology, ICCT ’94, Shanghai, China, 8 – 10 June 1994, pp. 222 – 223
15. L.K.Chen, K.Y. Lau, D.R. Huber, “Fundamental Distortion Characteristics of the
erbium Fiber Amplifier,” IEEE/OSA Optical Fiber Communications Conference,
OFC ’91, San Diego, U.S.A, 18 – 22 Feb 1991, pp. 112
16. L.K.Chen, K.Y. Lau, Y. Trisno, “Frequency Planning For Non-Linear Distortion
Reduction in Wideband Transmission,” IEE Electronics Letters, 4 July 1991,
Vol. 27, No. 14, pp. 1293 – 1295
17. Yudhi
S. Trisno, L.K. Chen, David R. Huber, “Linearized external modulator for
analog applications,” High-Frequency Analog Fiber Optic Systems, 1990,
USA, San Jose, 1990.
Bio-Photonics
1. Y.T.Tse, L.K. Chen, “Fast imaging of high-resolution two-dimensional effective
attenuation profile from diffuse reflectance,” SPIE Journal of Biomedical
Optics, vol. 17, no. 4, 2012.
2. Y.T.Tse, L.K. Chen, “Spatially resolved 2-D attenuation image of a
semi-infinite nonhomogeneous tissue from diffuse reflectance,” Proc. SPIE
7573, Biomedical Applications of Light Scattering IV, 757313, Feb. 26, 2010.
3. Y.Luo, Y.T. Tse, C.L. Lin, L.K. Chen, A. Burd, L. Huang, “A Non-invasive
Dual-Channel Oximeter based on Near-Infrared Spectroscopy (NIRS),”
IEEE/LEOS Summer Topical Meetings, 2007.