Guo-Wei Lu, Takahide Sakamoto, and Tetsuya Kawanishi, “Flexible High-order QAM Transmitters for Elastic Optical Networks,” Springer Photonic Network Communications, 2015,10.1007/s11107-015-0548-5.

Guo-Wei Lu, José Manuel Delgado Mendinueta, Takahide Sakamoto, Naoya Wada, and Tetsuya Kawanishi, “Optical 8QAM and 8PSK synthesis by cascading arbitrary 2QAM with squared QPSK,” Opt. Express 23, 21366-21374 (2015).

Jun Qin, Yuefeng Ji, Hongxiang Wang, Danshi Wang, Min Zhang, and Guo-Wei Lu, “Multichannel Wavelength Multicasting for Two QPSK Signals based on Four-wave Mixing in Semiconductor Optical Amplifier,” Chinese Optics Letters, vol.13, no.1, 2015.

Jun Qin, Guo-Wei Lu, Takahide Sakamoto, Kouichi Akahane, Naokatsu Yamamoto, Danshi Wang, Cheng Wang, Hongxiang Wang, Min Zhang, Tetsuya Kawanishi, and Yuefeng Ji, "Simultaneous multichannel wavelength multicasting and XOR logic gate multicasting for three DPSK signals based on four-wave mixing in quantum-dot semiconductor optical amplifier," Optics Express, vol. 22, no. 24, 29413-29423, December, 2014.

Jun Qin, Hongxiang Wang, Danshi Wang, Min Zhang, Yuefeng Ji, and Guo-Wei Lu, “QPSK wavelength multicasting based on four-wave mixing in semiconductor optical amplifier,” Chinese Optics Letters, vol. 12, no. 11, 2014.

Danshi Wang, Min Zhang, Jun Qin, Guo-Wei Lu, Hongxiang Wang, and Shanguo Huang, "Multifunctional switching unit for add/drop, wavelength conversion, format conversion, and WDM multicast based on bidirectional LCoS and SOA-loop architecture," Optics Express, vol. 22, no. 18, 21847-21858, September, 2014.

Toshiaki Kuri, Takahide Sakamoto, Guo-Wei Lu, Tetsuya Kawanishi, “Laser-Phase-Fluctuation-Insensitive Optical Coherent Detection Scheme for Radio-over-Fiber System,” to appear in IEEE/OSA Journal of Lightwave Technology, 2014.

Guo-Wei Lu, Andre Albuquerque, Benjamin J. Puttnam, Takahide Sakamoto, Miguel Drummond, Rogerio Nogueira, Atsushi Kanno, Satoshi Shinada, Naoya Wada, and Tetsuya Kawanishi, "Pump-linewidth-tolerant optical wavelength conversion for high-order QAM signals using coherent pumps," Opt. Express 22, 5067-5075 (2014)

Guo-Wei Lu, Takahide Sakamoto, and Tetsuya Kawanishi, "Wavelength conversion of optical 64QAM through FWM in HNLF and its performance optimization by constellation monitoring," Opt. Express 22, 15-22 (2014)

Takahide Sakamoto, Guo-Wei Lu, and Tetsuya Kawanishi, "Multi-tone parallel coherent matched detection for demultiplexing of superchannels," Opt. Express 21, 18602-18610 (2013)

Guo-Wei Lu, Takahide Sakamoto, and Tetsuya Kawanishi, "Flexible high-order QAM transmitter using tandem IQ modulators for generating 16/32/36/64-QAM with balanced complexity in electronics and optics," Opt. Express 21, 6213-6223 (2013)

Guo-Wei Lu, Takahide Sakamoto, Tetsuya Kawanishi, "Rectangular QPSK for generation of optical eight-ary phase-shift keying," Opt. Express 19, 18479-18485 (2011)

Guo-Wei Lu, Ekawit Tipsuwannakul, Tetsuya Miyazaki, Carl Lundstrom, Magnus Karlsson, and Peter A. Andrekson, “Format conversion of optical multi-level signals using FWM-based optical phase erasure,” IEEE/OSA Journal of Lightwave Technology, vol. 29, no.16, 2460-2466, 2011.

Guo-Wei Lu, Takahide Sakamoto, Akito Chiba, Tetsuya Kawanishi, Tetsuya Miyazaki, Kaoru Higuma, Masaaki Sudo, and Junichiro Ichikawa, "Reconfigurable multilevel transmitter using monolithically integrated quad Mach-Zehnder IQ modulator for optical 16-QAM and 8-PSK generation," Opt. Express 19, 5596-5601 (2011)

M. Sjodin, E. Agrell, P. Johannisson, G.-W. Lu, P. Andrekson, M. Karlsson, "Filter Optimization for Self-Homodyne Coherent WDM Systems using Interleaved Polarization Division Multiplexing," J. Lightwave Technol. 29, 1219-1226 (2011)

Guo-Wei Lu, Mats Skold, Pontus Johannisson, Jian Zhao, Martin Sjodin, Henrik Sunnerud, Mathias Westlund, Andrew Ellis, and Peter A. Andrekson, "40-Gbaud 16-QAM transmitter using tandem IQ modulators with binary driving electronic signals," Opt. Express 18, 23062-23069 (2010)

Guo-Wei Lu, Ekawit Tipsuwannakul, Carl Lundstrom, Magnus Karlsson, and Peter A. Andrekson, “Format conversion from 120-Gb/s RZ-D8PSK to 80-Gb/s RZ-DQPSK through FWM-based Optical Phase Erasure,” IEEE Photonics Technology Letters, vol. 22, no. 24, pp. 1817-1879, 2010.

Guo-Wei Lu, Michel Marhic, Tetsuya Miyazaki, "Burst-mode Amplification of Dynamic Optical Packets using Fiber Optical Parametric Amplifier in Optical Packet Networks," Electronics Letters, Volume 46, Issue 11, p.778-780, 2010.

Guo-Wei Lu, Satoshi Shinada, Hideaki Furukawa, Naoya Wada, Tetsuya Miyazaki, and Hiromasa Ito, "160-Gb/s all-optical phase-transparent wavelength conversion through cascaded SFG-DFG in a broadband linear-chirped PPLN waveguide," Optics Express 18, 6064-6070 (2010)

Guo-Wei Lu, Tetsuya Miyazaki, ”Optical phase erasure based on FWM in HNLF enabling format conversion from 320-Gb/s RZ-DQPSK to 160-Gb/s RZ-DPSK”, Optics Express, vol.17, no. 16, pp. 13346-13353, 2009.

Guo-Wei Lu, Takahide Sakamoto, Akito Chiba, Tetsuya Kawanishi, Tetsuya Miyazaki, Kaoru Higuma and Junichiro Ichikawa, “Optical minimum-shift-keying transmitter based on a monolithically integrated quad Mach-Zehnder in-phase and quadrature modulator,” Optics Letters, vol.34, no.14, pp. 2144-2146, 2009

Guo-Wei Lu, Tetsuya Miyazaki, “Optical Phase Noise Extraction and Amplification Technique through Four-Wave Mixing and its Application to Optical Phase Noise Monitoring in (D)PSK systems,” IEEE Photonics Technology Letters, vol. 21, issue 13, pp. 881-883, 2009.

Guo-Wei Lu, K.S. Abedin, T. Miyazaki, M.E. Marhic, “RZ-DPSK OTDM Demultiplexing using Fiber Optical Parametric Amplifier with a Clock-Modulated Pump”, Electronics Letters, vol. 45, no. 4, pp. 221-222, Feb. 2009.

Guo-Wei Lu, Kazi S. Abedin, Tetsuya Miyazaki, “Experimental Demonstrations of All-optical Phase-Multiplexing using FWM-based Phase Interleaving in Silica and Bismuth-Oxide HNLFs,” IEEE/OSA Journal of Lightwave Technology, vol. 27, issue 4, pp. 409-416, 2009.

Guo-Wei Lu, Tetsuya Miyazaki, “Optical Phase Add-Drop for Format Conversion between DQPSK and DPSK and its Application in Optical Label Switching Systems”, IEEE Photonics Technology Letters, vol. 21, no. 5, pp.322-324, 2009.

Guo-Wei Lu, Tetsuya Miyazaki, “Experimental Demonstration of RZ-8-APSK Generation Through Optical Amplitude and Phase Multiplexing,” IEEE Photonics Technology Letters, vol.20, no. 23, pp. 1995-1997, 2008.

Guo-Wei Lu, Kazi S. Abedin, Tetsuya Miyazaki, “Simultaneous tunable wavelength conversion and power amplification using a pump-modulated wide- band fiber optical parametric amplifier”, E91-B(11):3712-3714, IEICE Transaction on Communications, 2008.

Guo-Wei Lu, K.S. Abedin, T. Miyazaki, “DPSK Multicast using Multiple-Pump FWM in Bismuths Highly Nonlinear Fiber with High Multicast Efficiency, ” OSA Optics Express, vol. 16, no. 26, pp. 21964-21970, Dec. 2008.

K. S. Abedin, G. -W. Lu, T. Miyazaki, R. Akimoto, and H. Ishikawa, "High-speed all-optical modulation using an InGaAs/AlAsSb quantum well waveguide," Optics Express 16, 9684-9690 (2008)

Guo-Wei Lu, Kazi S. Abedin, Tetsuya Miyazaki, “All-optical phase multiplexing from pi/2-shifted DPSK-WDM to DQPSK using four-wave mixing in highly-nonlinear fiber,” IEICE Transaction on Electronics, vol.E91-C, no. 7, pp. 1121-1128, 2008.

Guo-Wei Lu, Tetsuya Miyazaki, “A spectrum-efficient 80 Gbit/s differential phase-shift keying transmitter using phase interleaving technology without optical-time or polarization-division multiplexing,” vol. 47, no. 5, pp. 050501-1~050501-3, Optical Engineering, 2008.

Guo-Wei Lu, Tetsuya Miyazaki, “An 80-GHz chirp-free carrier-suppressed optical pulse generator using cascaded 20-GHz clock-driven Mach-Zehnder modulators,” Vol. 5, no. 1, pp. 1-5, IEICE Electronics Express, 2008.

Kazi S. Abedin, Guo-Wei Lu, Tetsuya Miyazaki, “Slow light generation in single mode Er-doped Tellurite fibre,” IEE Electronics Letters, vol.44, no. 1, pp. 16-17, 2008.

Z. Qian, G. -W. Lu, and S. -Y. R. Li, "Improved optical-path supervisory scheme for optical cross connects based on different time-delay recognition," OSA Journal of Optical Networking 7 (1), 80-87 (2008)

Moriya Nakamura, Yukiyoshi Kamio, Guo-Wei Lu and Tetsuya Miyazaki, "Ultimately phase-noise tolerant QPSK homodyne using a spectrum-sliced ASE light source," IEICE Electronics Express, Vol. 4 (2007), No. 13, p.406-410.

Guo-Wei Lu, Kazi S. Abedin, Tetsuya Miyazaki, “All-Optical RZ-DPSK WDM to RZ-DQPSK Phase Multiplexing using Four-Wave Mixing in Highly-Nonlinear Fiber,” IEEE Photonics Technology Letters, Vol. 19, no. 21, p.1699-1701, 2007.

Guo-Wei Lu, Moriya Nakamura, Yukiyoshi Kamio, Tetsuya Miyazaki, “40-Gb/s QPSK and 20-Gb/s PSK with inserted pilot symbols using self-homodyne detection”, Optics Express, vol.15, no.12, pp. 7660-7667, 2007.

Guo-Wei Lu, Lian-Kuan 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, 2007.

K.K.Y. Wong, G.W. Lu, L.K. Chen, "Polarization-interleaved WDM signals in fiber optical parametric amplifier by orthogonal pumps,” Optics Express, vol. 15, no. 1, pp. 56-61, 2007.

K.K.Y. Wong, G.W. Lu, L.K. Chen, “Experimental studies of the WDM signal crosstalk in two-pump fiber optical parametric amplifiers,” Optics Communications, 270(2), pp.429-432, Feb. 2007.

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, 2006

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. 7, pp.1119-1121, Mar. 2006.

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.

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, 255(1-3), pp.35-40, Nov., 2005.

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.

G.W. Lu, K. 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.

G.W. Lu, C. Xie, Y. C. Ku, L. K. Chen, and 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.

G.W. Lu, Y. C. Ku, L. K. Chen, and 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.

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.

Guo-Wei Lu, “Optical Signal Processing for High-order Quadrature-amplitude Modulation Formats” Chapter in Book “Applications of Digital Signal Processing through Practical Approach” (ISBN 978-953-51-4281-2), INTECH, 2015.

Guo-Wei Lu, Gazi Sharif, Jun Qin, Hongxiang Wang, Yuefeng Ji, Shigeru Yamaguchi, “Reconfigurable Optical XOR Logic Gate of Phase-Modulated Signals with Multicast Functionality through FWM in Single SOA,” paper AM1J. 5, in Proc. Asia Communications and Photonics Conference, Nov., 2015.

Takahide Sakamoto; Guo-Wei Lu; Tetsuya Kawanishi,” Oppositely-Biased Dual-polarization IQ Modulators for Nonlinearity-Tolerant Polarization-Multiplexed Phase-Conjugated Twin-Signals Generation,” paper Th.1.4.6, in Proc. European Conference and Exhibition on Optical Communication (ECOC), 2015.

Guo-Wei Lu, “Flexible High-order QAM Transmitters for Elastic Optical Networks,” (Invited Paper), in Proc. IEEE OptoElectronics Globe Conference (OGC) 2015, paper PS-30_S2-b.03, 2015.

A. Albuquerque, B. J. Puttnam, M. V. Drummond, G. Lu, Á. Szabó, S. Shinada, N. Wada, and R. N. Nogueira,”PPLN-based All-optical Signal Processing and Phase-Sensitive Amplification,” (Invited Paper), paper MF3.2, in Proc. IEEE Photonics Society Summer Topicals Meeting 2015, Nassau, Bahamas, 2015.

Guo-Wei Lu, Takahide Sakamoto, Tetsuya Kawanishi, “Pump-Phase-Noise-Free Multichannel Wavelength Multicasting for QAM Signals using Coherent Multi-Carrier Pump,” paper CI-P.11, in Proc. CLEO/Europe-IQEC, June 2015.

Takahide Sakamoto; Guo-Wei Lu; Tetsuya Kawanishi, “Fiber Nonlinearity Tolerance of Traceback Equalization for Non-Uniformly Distorted QAM Signals,” paper JTh2A.49, in Proc. Conference on Lasers and Electro-Optics (CLEO), May, 2015.

Guo-Wei Lu, Takahide Sakamoto, Tetsuya Kawanishi, “Multichannel Wavelength Multicasting for QAM Signals Free of Pump-Phase-Noise using Flexible Coherent Multi-Carrier Pump,” paper SM1M.3, in Proc. Conference on Lasers and Electro-Optics (CLEO), May 2015.

Takahide Sakamoto, Guo-Wei Lu, Tetsuya Kawanishi, “Loop-Assisted Multi-Input-Multi-Output Coherent Matched Detector for Ultra High-Bandwidth Parallel Optical Time-Frequency Domain Sampling,” paper M2E.6, in Proc. Optical Fiber Communication Conference and Exposition (OFC), March, 2015.

Danshi Wang, Ming Zhang, Guo-Wei Lu, Jun Qin, Takahide Sakamoto, Kouichi Akahane, Naokatsu Yamamoto, Tetsuya Kawanishi, “Multifunctional All-optical Signal Processing Scheme for Simultaneous Multichannel WDM Multicast and XOR Logic Gates Based on FWM in QD-SOA,” paper Th2A.5, in Proc. Optical Fiber Communication Conference and Exposition (OFC), March, 2015.

Guo-Wei Lu, Takahide Sakamoto, Tetsuya Kawanishi, “Pump-Phase-Noise-Tolerant Wavelength Multicasting for QAM Signals using Flexible Coherent Multi-Carrier Pump,” paper M2E.2, in Proc. Optical Fiber Communication Conference and Exposition (OFC), March, 2015.

Guo-Wei Lu, Takahide Sakamoto, Tetsuya Kawanishi, “Wavelength Conversion of High-Order QAM Signals for Future Transparent All-Optical Networks” (Invited Paper), paper S32.4, in Proc. 13th International Conference on Optical Communications and Networks (ICOCN), November, 2014.

Guo-Wei Lu, Takahide Sakamoto, Tetsuya Kawanishi, “Flexible High-Order QAM Transmitters for Elastic Optical Networks,” (Invited Paper), paper M12.2, in Proc. 13th International Conference on Optical Communications and Networks (ICOCN), November, 2014.

Guo-Wei Lu, Takahide Sakamoto, Tetsuya Kawanishi, “Data Overlay in Optical Networks through Level-Scalable Flexible Modulation and its Application in Multicast Overlay for WDM-PON,” in Proc. of IEEE Photonics Conference (IPC) 2014, paper MD2.4, San Diego, California USA, October, 2014.

Takahide Sakamoto, Guo-Wei Lu, Tetsuya Kawanishi, “Phase-Conjugated Twin Signals Generation with Oppositely-Biased Paired IQ Modulators,” in Proc. of IEEE Photonics Conference (IPC) 2014, paper TuG1.4, San Diego, CA, USA, October, 2014.

Takahide Sakamoto, Guo-Wei Lu, Tetsuya Kawanishi, “Electo-Optic Dual-Channel Coherent Signal Emulator,” in Proc. of IEEE Photonics Conference (IPC) 2014, paper TuG2.2, San Diego, California USA, October, 2014.

Takahide Sakamoto, Guo-Wei Lu, Tetsuya Kawanishi, “Conjugated-Paired Radio-on-Fiber Transmission Scheme Highly Tolerant against Optical Fiber Nonlinearity,” pp. 399-402, in Proc. of International Topical Meeting on Microwave Photonics/Asia-Pacific Microwave Photonics Conference (MWP/APMP), October, 2014.

Guo-Wei Lu, “Pump-linewidth tolerant wavelength conversion for high-order QAM signals,” (Invited paper) in Optoelectronic Devices and Integration (OEDI) (Optical Society of America, Washington, DC, 2014), paper OTh3B.2, Wuhan, China, 2014.

Guo-Wei Lu, Takahide Sakamoto, Tetsuya Kawanishi, “Coherently-Pumped FWM in HNLF for 16QAM Wavelength Conversion Free of Phase Noise from Pumps,” paper p.1.16, in Proc. of European Conference and Exhibition on Optical Communication (ECOC), September, 2014.

Guo-Wei Lu, André Albuquerque, Benjamin J. Puttnam, Takahide Sakamoto, Miguel Drummond, Rogério Nogueira, Atsushi Kanno, Satoshi Shinada, Naoya Wada, and Tetsuya Kawanishi,“Pump-Linewidth-Tolerant Optical Data Exchange between 16QAM and QPSK with 50-GHz Channel-Spacing using Coherent DFB Pump,” in Proc. of European Conference and Exhibition on Optical Communication (ECOC), paper P.2.18, 2014.

Guo-Wei Lu, Andre Albuquerque, Benjamin J. Puttnam, Takahide Sakamoto, Miguel Drummond, Rogerio Nogueira, Atsushi Kanno, Satoshi Shinada, Naoya Wada, and Tetsuya Kawanishi, "Coherently-Pumped 20Gbaud 16QAM Optical Wavelength Shifting Free of Phase Noise from Pumps,” in OptoElectronics and Communications Conference (OECC), Australia, 2014.

Guo-Wei Lu, Andre Albuquerque, Benjamin J. Puttnam, Takahide Sakamoto, Miguel Drummond, Rogerio Nogueira, Atsushi Kanno, Satoshi Shinada, Naoya Wada, and Tetsuya Kawanishi, "Pump-Linewidth-Tolerant Wavelength Conversion with Coherent Pumps," paper SW3J.1, in Proc. Conference on Lasers and Electro-Optics (CLEO) 2014.

Guo-Wei Lu, Takahide Sakamoto, Tetsuya Kawanishi, “Experimental Investigation of Sampling Phase Sensitivity in Baud-Rate Sampled Coherent Receiver for Nyquist Pulse-Shaped High-Order QAM Signals,” paper SW1J.2, in Proc. Conference on Lasers and Electro-Optics (CLEO) 2014.

Takahide Sakamoto, Guo-Wei Lu, Tetsuya Kawanishi, “Time-Interleaved Carrier-Suppressed Return-to-Zero QPSK for Filter-less Dual-Carrier Transmission,” paper Th2A.63, in Proc. Optical Fiber Communication Conference and Exposition (OFC), March, 2014.

Toshiaki Kuri, Takahide Sakamoto, Guo-Wei Lu, Tetsuya Kawanishi, “Error-Free and Laser-Phase-Noise-Insensitive Optical Coherent Transmission of Uplink Radio-over-Fiber signal,” paper M3D.8, in Proc. Optical Fiber Communication Conference and Exposition (OFC), March, 2014.

Toshiaki Kuri, Takahide Sakamoto, Guo-Wei Lu, Tetsuya Kawanishi, “Phase-noise-insensitive optical coherent detection with two-tone local light and digital signal processing technique for uplink radio-over-fiber signal transmission,” paper Th3-4, in Proc. IEEE Topical Meeting on Microwave Photonics (MWP 2013), in Alexandria, VA, USA, Oct 28-31, 2013.

Guo-Wei Lu, Takahide Sakamoto, Tetsuya Kawanishi, “Experimental Demonstration of Wavelength Conversions of Optical 36QAM and 64QAM through FWM in HNLF,” paper ThG1.4, in Proc. IEEE Photonics Conference 2013, Bellevue, Washington, USA, 8-12 September, 2013.

Toshiaki Kuri, Takahide Sakamoto, Guo-Wei Lu, Tetsuya Kawanishi, “Digital-signal-processing-assisted optical coherent detection of uplink radio-over-fiber signal and its phase noise cancellation effect,” paper TuC2.3, in Proc. IEEE Photonics Conference 2013, Bellevue, Washington, USA, 8-12 September, 2013.

Guo-Wei Lu, Takahide Sakamoto, Tetsuya Kawanishi, “Wavelength Conversion of Optical 64QAM and its Performance Optimization by Constellation Monitoring,” paper We.2.A.4, in Proc. of European Conference and Exhibition on Optical Communication (ECOC), September 25, 2013.

Guo-Wei Lu, Takahide Sakamoto, Tetsuya Kawanishi, “Generation of Optical 32QAM using Two Tandem IQ Modulators with Simplified Electronics,” paper CM1G.1, in Proc. Conference on Lasers and Electro-Optics (CLEO 2013), San Jose, US, 2013.

Takahide Sakamoto, Guo-Wei Lu, Tetsuya Kawanishi, “Traceback Equalization against Modulation Non-Uniformity in QAM Transmitters,” paper MR1-5, in Proc. the 10th Conference on Lasers and Electro-Optics Pacific Rim, and the 18th OptoElectronics and Communications Conference / Photonics in Switching (CLEO-PR&OECC/PS 2013), July, 2013.

Guo-Wei Lu, Takahide Sakamoto, Tetsuya Kawanishi, “Wavelength Conversion of 36QAM through Four-Wave Mixing in HNLF,” paper MO1-2, in Proc. the 10th Conference on Lasers and Electro-Optics Pacific Rim, and the 18th OptoElectronics and Communications Conference / Photonics in Switching (CLEO-PR&OECC/PS 2013), July, 2013.

Guo-Wei Lu, Takahide Sakamoto, Tetsuya Kawanishi, “Optical 36QAM Transmitter based on Two Tandem IQ Modulators with Simplified Driving Electronics,” paper CI-1.3, in Proc. CLEO/Europe-IQEC, May, 2013.

Takahide Sakamoto, Guo-Wei Lu, Tetsuya Kawanishi, “Traceback Equalization for Non-Uniformly Synthesized Optical QAM Signals,” paper CI-1.4, in Proc. CLEO/Europe-IQEC, May, 2013.

Guo-Wei Lu, Takahide Sakamoto, Tetsuya Kawanishi, “ Optical 64QAM Transmitter using Tandem IQ Modulators with Balanced Complexity in Electronics and Optics,” in Proc. Optical Fiber Communication Conference and Exposition (OFC), paper OM3C.2, March, 2013.

Guo-Wei Lu, Yukiyoshi Kamio, Tetsuya Kawanishi, “PS-QPSK with Duobinary-Shaping and MLSD Reception for Constructing Power- and Spectrum-Efficient Superchannel,” in Proc. Optical Fiber Communication Conference and Exposition (OFC), paper OTu3B.5, March, 2013.

Takahide Sakamoto, Guo-Wei Lu, Tetsuya Kawanishi, “Filter-less Multi-Tone Coherent Orthogonal Detection for Multi-Channel Reception of Super-Channel/OFDM signals,” in Proc. Optical Fiber Communication Conference and Exposition (OFC), paper JTh2A.47, March, 2013.

Guo-Wei Lu, Takahide Sakamoto, Tetsuya Kawanishi, “Experiment Investigation of Nonlinear Distortion in QAM Constellation due to Imbalance in Intradyne Coherent Receiver,” in Proc. 17th OptoElectronics and Communications Conference (OECC 2012), paper SC2_1079, July 2-6, 2012.

Guo-Wei Lu, Takahide Sakamoto, Tetsuya Kawanishi, “Reconfigurable Optical 8-ary Transmitter based on Arbitrary 2-QAM for Generating 8PSK and 8QAM,” in Proc. OFC 2012, paper JTh2A.22, 2012.

Takahide Sakamoto, Atsushi Kanno, Guo-Wei Lu, Tetsuya Kawanishi, “Advanced optical modulation and demodulation techniques for digital and analogue applications,” (Invited paper), paper 2-4A-1, in Proc. International Conference on Advanced Infocomm Technology (ICAIT) 2011, Wuhan, China.

Guo-Wei Lu, Takahide Sakamoto, Tetsuya Kawanishi, “Two Optical-8PSK Transmitter Schemes Based on Tandem IQ Modulators,” in Proc. IQEC / CLEO Pacific Rim 2011, paper 762.00, Australia, 2011.

Guo-Wei Lu, Takahide Sakamoto, Tetsuya Kawanishi, “Generation of Optical 8PSK using Cascaded IQ Modulators and Binary Electronics,” in Proc. OptoElectronics Communications Conference (OECC) 2011, paper 7B4_5, Taiwan, 2011.

Guo-Wei Lu, Takahide Sakamoto, Tetsuya Kawanishi, “Optical 8PSK Transmitter using Tandem IQ Modulators with Binary Driving Electrical Signals,” in Proc. CLEO 2011, paper CThH5, 2011

Ben Puttnam, Guo-Wei Lu, Daniel Mazroa, Naoya Wada, "Evaluation of a Fiber-Optic Parametric Amplifier with Optical Feedback in Multi-Channel Dynamic Networks," in Proc. OFC 2011, paper OWL2, 2011.

Guo-Wei Lu, Sugang Xu, Hideki Otsuki, Hiroaki Harai, Naoya Wada,"Nine-Way Optical Wavelength Multicasting and Field Trail Transmission over Optical Network Test-bed (JGN2Plus)", in Proc. OFC 2011, paper OMW4, 2011.

Guo-Wei Lu, Takahide Sakamoto, Akito Chiba, Tetsuya Kawanishi, Tetsuya Miyazaki, Kaoru Higuma, Masaaki Sudo, and Junichiro Ichikawa, “ Monolithically Integrated Quad Mach-Zehnder IQ Modulator for Generation of Advanced Optical Modulation Formats” (Invited paper), in Proc. 9th International Conference on Optical Communications and Networks, Nanjing, China, 2010.

Tetsuya Miyazaki, Guo-Wei Lu, “Advanced modulation formats and its application in optical label switching systems,” (Invited paper), paper ThH1, in Proc. Asia Communications and Photonics Conference and Exhibition (ACP 2010), Shanghai, China, 2010.

Martin Sjodin, Erik Agrell, Guo-Wei Lu, Pontus Johannisson,Magnus Karlsson, Peter Andrekson, "Interleaved polarization divistion multiplexing in self-homodyne coherent WDM systems," paper Mo.1.C.3, in Proc. European Conference and Exhibition on Optical Communication (ECOC) 2010, Italy, 2010.

E. Tipsuwannakul, M. Galili, M. Bougioukos, M. Spyropoulou, J. Seoane, B. Zsigri, C. Peucheret, C. Lundstrom, G-W. Lu, P-O. Hedekvist, Ch. Kouloumentas, H.Avramopoulos, C. Ware, D. Erasme, and P. Andrekson, "0.87 Tbit/s 160 Gbaud Dual-Polarization D8PSK OTDM Transmission over 110 km," paper We.6.C.4, in Proc. European Conference and Exhibition on Optical Communication (ECOC) 2010, Italy, 2010.

Guo-Wei Lu, Takahide Sakamoto, Akito Chiba, Tetsuya Kawanishi, Tetsuya Miyazaki,Kaoru Higuma, Masaaki Sudo, and Junichiro Ichikawa, "16-QAM Transmitter using Monolithically integrated Quad Mach-Zehnder IQ Modulator," paper Mo.1.F.3, in Proc. European Conference and Exhibition on Optical Communication (ECOC) 2010, Italy, 2010.

Guo-Wei Lu, "Optical signal processing for advanced optical modulation format," paper WC2.1 (invited paper), in Proc. IEEE Photonics Society Summer Topicals Meeting on Nonlinear Fiber Optics, July, 2010.

Guo-Wei LU, Takahide Sakamoto, Akito Chiba, Tetsuya Kawanishi, Tetsuya Miyazaki, Kaoru Higuma, Masaaki Sudo, Junichiro Ichikawa, "Monolithically Integrated Quad Mach-Zehnder IQ Modulator for optical 16-QAM Generation," post-deadline paper CPDA7, in Proc. CLEO/QELS 2010 , 2010.

Guo-Wei Lu, Satoshi Shinada, Hideaki Furukawa, Naoya Wada, Tetsuya Miyazaki, Hiromasa Ito, “160-Gb/s Tunable All-Optical Phase-Transparent Wavelength Conversion through Cascaded SFG-DFG in a Linear-Chirped PPLN Waveguide,” paper OWP3, in Proc. Optical Fiber Communication Conference and Exposition (OFC), 2010.

Guo-Wei Lu, Takahide Sakamoto, Akito Chiba, Tetsuya Kawanishi, Tetsuya Miyazaki, Kaoru Higuma, Junichiro Ichikawa, “80-Gb/s Optical MSK Generation Using a Monolithically Integrated Quad-Mach-Zehnder IQ Modulator,” paper OWN5, in Proc. Optical Fiber Communication Conference and Exposition (OFC), 2010.

Takahide Sakamoto, Guo-Wei Lu, Akito Chiba, Tetsuya Kawanishi, Tetsuya Miyazaki, “Coherent Demodulation of 10-Gb/s Optical Minimum-Shift Keying”, paper JThA2, in Proc. Optical Fiber Communication Conference and Exposition (OFC), 2010.

Takahide Sakamoto, Guo-Wei Lu, Akito Chiba, Tetsuya Kawanishi, “Digital Optical Phase Locked Loop for Real-Time Coherent Demodulation of Multilevel PSK/QAM,” paper OMS5, in Proc. Optical Fiber Communication Conference and Exposition (OFC), 2010.

Sugang Xu, Guo-Wei Lu, Hideki Otsuki, Hiroaki Harai, Naoya Wada, and Tetsuya Miyazaki, “A Field-Trial of On-Demand Integration of Gird and Innovative Wavelength Multicasting Service over WSON for Emerging Frontier Applications” paper 7-3, in Proc. IEEE 14th Conference on Optical Network Design and Modeling (ONDM), 2010

Guo-Wei Lu, “Optical Phase Transmultiplexing to Support Traffic Grooming in Transparent Optical Networks,” (Invited paper), paper FOCS-18, in Proc. 2nd Photonics and OptoElectronics Meetings (POEM), Wuhan, China, 2009.

Guo-Wei Lu, Tetsuya Miyazaki, “FWM-based All-Optical Phase Drop for Format Conversion from 320-Gb/s RZ-DQPSK to 160-Gb/s RZ-DPSK,” in Proc. ECOC 2009, paper 9.1.4, 2009.

Guo-Wei Lu, Takahide Sakamoto, Akito Chiba, Tetsuya Kawanishi, Tetsuya Miyazaki, Kaoru Higuma and Junichiro Ichikawa, ”Optical MSK Transmitter using a Monolithically Integrated Quad Mach-Zehnder IQ Modulator,” in Proc. ECOC 2009, paper 5.2.1, 2009.

Guo-Wei Lu, Tetsuya Miyazaki, "Simultaneous Generation of Two RZ-8-APSKs through FWM-based All-Optical Amplitude and Phase Multiplexing," paper TuP11-16, in Proc. CLEO/PR, 2009.

Guo-Wei Lu, Takahide Sakamoto, Akito Chiba, Tetsuya Kawanishi, Tetsuya Miyazaki, "Generation of Optical MSK using a Monolithically Integrated Quad Mach-Zehnder IQ Modulator," Paper ThQ3, in Proc. OECC 2009.

Guo-Wei Lu, Tetsuya Miyazaki, “Optical Phase Noise Extraction and Amplification Technique and Its Application to Optical Phase Noise Monitoring for (D)PSK Systems,” paper CMZ5, in Pric. CLEO/IQEC 2009, Maryland, 2009.

Guo-Wei Lu, Tetsuya Miyazaki, “Optical Phase Add/Drop for Format Conversion between DQPSK and DPSK,” in Proc. OFC 2009, paper OMO1, March, 2009.

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," in Proc. Int'l Conf. on Optical Communications and Networks (ICOCN 2008), paper C3-3A-05, Singapore, 2008.

Guo-Wei Lu, Tetsuya Miyazaki, Junichiro Ichikawa, Kaoru Higuma, and Tetsuya Kawanishi, “High-Speed DQPSK Transmitter Using a Monolithically Integrated Quad Mach-Zehnder IQ Modulator Driven at Quarter Bit-Rate,” in Proc. ECOC 2008, post-deadline paper Th3D5, 2008.

Guo-Wei Lu, Kazi S. Abedin, Tetsuya Miyazaki, “All-optical RZ-DPSK OTDM De-Multiplexing using Optical Parametric Amplifier with a Clock-Modulated Pump,” in Proc. ECOC 2008, paper Tu.4.B.2, Sept., 2008.

Guo-Wei Lu, Kazi S. Abedin, Tetsuya Miyazaki, ”Simultaneous OTDM De-multiplexing and Power Amplification using Optical Parametric Amplifier with a Clock-Modulated Pump", in Proc. OECC, paper TuF3, July, 2008.

Guo-Wei Lu, Kazi S. Abedin, Tetsuya Miyazaki, “DPSK Wavelength Multicasting Using FWM with Three Unequally Spaced Pumps in a Bismuth-Oxide Highly Nonlinear Fiber,” in Proc. CLEO/QELS, paper JWA100,2008.

Guo-Wei Lu, Kazi S. Abedin, Tetsuya Miyazaki, “Wavelength Multicasting of DPSK Signals Using Dual-Pump FWM in a Bismuth-Oxide Highly Nonlinear Fiber,” OFC 2008, paper OMP4, Feb., 2008.

K. K.-Y. Wong, B. P. P. Kuo, G.-W. Lu, P. C. Chui, L.-K. Chen “Reduction of Nonlinear Crosstalk in Fiber OPAs (Invited paper),” Paper MB2.2, IEEE LEOS Winter Topicals Conference 2008, Italy,Jan. 2008.

Guo-Wei Lu, Kazi S. Abedin, Tetsuya Miyazaki, “Wideband All-Optical Phase Interleaving Technology Enabling Phase-Multiplexing of 3x10-Gb/s DPSK-WDM into 30-Gb/s DPSK using FWM in HNLF,” post-deadline paper PD1.4, ECOC, 2007.

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.

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.

Guo-Wei Lu, Kazi S. Abedin, Tetsuya Miyazaki, ”All-optical Broadband Tunable Wavelength Multicasting using a Pump-Modulated Wide-Band Fiber Optical Parametric Amplifier with High and Flat Gain,” in Proc. ECOC 2007, paper P027, 2007.

Guo-Wei Lu, Kazi S. Abedin, Tetsuya Miyazaki, “All-Optical RZ-DPSK WDM to RZ-DQPSK Phase Multiplexing using Four-Wave Mixing in Highly-Nonlinear Fiber,” in Proc. ECOC 2007, paper 5.3.4, 2007.

Guo-Wei Lu, Tetsuya Miyazaki, “An 80-GHz carrier-suppressed optical pulse generator using two cascaded phase modulators followed by a delay-interferometer” in Proc. of OECC 2007, paper 13D3-4, July, 2007.

Kazi S. Abedin, Guo-Wei Lu, Tetsuya Miyazaki, "Highly nonlinear non-silica fibers for efficient slow light devices,” (Invited paper) in Proc. of OECC 2007, Paper 10C1-3, July, 2007.

Guo-Wei Lu, Tetsuya Miyazaki, “An 80-GHz chirp-free carrier-suppressed optical pulse generator using cascaded 20-GHz clock-driven Mach-Zehnder modulators,” in Proc. of CLEO/PR 2007, paper WA3-4, August, 2007.

Guo-Wei Lu, Tetsuya Miyazaki, “A Spectrum-Efficient 80-Gbit/s DPSK Transmitter using Phase Interleaving Technology without Optical-Time or Polarization-Division Multiplexing,” in Proc. IEEE LEOS Summer Topical Meetings, paper TuE3. 4, 2007.

Guo-Wei Lu, Kazi S. Abedin, Tetsuya Miyazaki, “All-optical phase multiplexing from DPSK WDM signals to DQPSK using four-wave mixing in highly-nonlinear fiber,” in Prof. CLEO/Europe-IQEC 2007, paper CI4-1-THU, 2007.

Kazi S. Abedin, Guo-Wei Lu, Tetsuya Miyazaki,"Stimulated Brillouin scattering assisted slow light generation in single mode tellurite fiber," paper CThH6, in Proc. of CLEO/QELS, May 2007.

Moriya Nakamura, Yukiyoshi Kamio, Guo-Wei Lu, Tetsuya Miyazaki, “Ultimate Linewidth-Tolerant 20-Gbps QPSK-Homodyne,” paper OThD4, in Proc. OFC/NFOEC 2007.

Kenneth Kin-Yip Wong, Guo-Wei Lu, Kwan-Chi Lau, P. K. A. Wai, Lian-Kuan Chen;”All-Optical Wavelength Conversion and Multicasting by Cross-Gain Modulation in a Single-Stage Fiber Optical Parametric Amplifier,” paper OTuI4, in Proc. OFC/NFOEC 2007.

Guo-Wei Lu, Moriya Nakamura, Yukiyoshi Kamio, Tetsuya Miyazaki, “40-Gb/s QPSK with Inserted Pilot Symbols Using Self-Homodyne Detection,” paper OMP4, in Proc. OFC/NFOEC 2007.

G.-W. Lu, K. T. Tsai, Winston I. Way, L.K. Chen, “Experimental Demonstration of Resolution-Enhanced Residual Chromatic-Dispersion Monitoring Using Half-bit Delay-interferometer Filtering for RZ-OOK Systems”, in Proc. ECOC, Paper We3.P.67, France, Sep. 2006.

J. Yu, L.K. Chen, G.W. Lu, S.T. Ho, “An Improved OXC Supervisory Scheme Based on Different Time-Delay Recognition”, The Joint International Conference on Optical Internet and Next Generation Network, COIN-NGNCON 2006, Paper PS-13, Jeju, Korea, Jul. 2006.

Zhengfeng Qian, Guo-Wei Lu, and Shuo-Yen Robert Li, “Efficient OXC Monitoring Based on Time-Delay Recognition”, 8th International Conference on Transparent Optical Networks (ICTON), paper We_B3_4, pp.199-202, June, 2006.

K.K.Y. Wong, G.W. Lu, L.K. Chen, "Polarization-interleaved WDM signals in fiber optical parametric amplifier by orthogonal pumps , " IEEE Conference on Lasers and Electro-Optics, CLEO 2006, Paper CMW2, Long Beach, California, USA, May. 2006

G.W. Lu, L.K. Chen, C.K. Chan, “Novel NRZ-to-RZ Format Conversion with Tunable Pulsewidth Using Phase Modulator and Interleaver,” OFC/NFOEC 2006, Paper JThB32, Anaheim, California, United States, Mar. 2006.

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, OFC/NFOEC 2006, Paper OWI39, Anaheim, California, United States, Mar. 2006.

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,” in Proc. OFC 2005, Paper OFI8, Anaheim, California, USA, Mar. 2005.

Y. C. Ku, G.W. Lu, C.K. Chan, L. K. Chen, “A Novel Technique for Pulse-Carver and Data Alignment Monitoring in RZ-DPSK Systems Using Off-Center Optical Filtering,” in Proc. OFC 2005, Paper OWJ4, Anaheim, California, USA, Mar. 2005.

G.W. Lu, K. Chan, L.K. Chen, C.K. Chan, “Performance of DPSK-WDM Systems Against Nonlinear Polarization Fluctuation,” in Proc. IEEE CLEO/Pacific Rim, Paper W4A-(13)-2, Taipei, Taiwan, Dec. 2003.

G.W. Lu, L.K. Chen, C.K. Chan, Investigation of Polarization Misalignment Induced Crosstalk in Polarization Division Multiplexing Systems with Different Data Formats; in Proc. Opto-Electronics and Communications Conference, OECC 2004, Paper 15C3-7, Japan.

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; in Proc. ECOC 2004, Paper We4.P.092, Sweden, Sep. 2004.

G.W. Lu, L.K. Chen, C.K. Chan, A Simple Polarization-insensitive Optical Parametric Amplifier Scheme using Phase Modulator; in Proc. International Conference on Optical Communications and Networks (ICOCN 2004), November, 2004.

G.W. Lu, L.K. Chen, C.K. Chan, Performance Comparison of DPSK and OOK Signals with OOK-modulated Adjacent Channel in WDM Systems; in Proc. Opto-Electronics and Communications Conference (OECC 2005), Paper 7B3-5, Korea, Jul. 2005.

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, in Proc. ECOC 2005, Paper We4.P.136, Glasgow, United Kingdom, Sep. 2005.

G.W. Lu, M.H. Cheung, L.K. Chen, C.K. Chan; PMD-insensitive DOP-Based OSNR Monitoring Assisted by Transmitter-Side Polarization Scrambling, in Proc. ECOC 2005, Paper We4.P.120, Glasgow, United Kingdom, Sep. 2005.

2015-2017 Grant-in-Aid Scientific Research （C） Role：PI
「Pump-Phase-Noise-Free Wavelength Conversion and Multicast for High-Order QAM Signals」

2015-2018 Grant-in-Aid Scientific Research （B） Role：Co-investigator
「 MUX and De-MUX in optical time-frequency domain for ultra-fast and ultra-spectrum-efficient optical communications 」

2015-2017 Grant-in-Aid Scientific Research （C） Role：Co-investigator
「Demonstration and proposal of the polarization manipulation to compensate for the deterioration in quality of the multi-level optical modulation signal 」

2013-2014 Grant-in-Aid for Young Scientist (A), Japan Society for the Promotion of Science (JSPS), Role: PI
「Hybrid approach for generating high-order QAM」 (#257090310001), 17,160,000 JPY

2011-2012 Grant-in-Aid for Young Scientist (B) , Japan Society for the Promotion of Science (JSPS)，Role: PI
「Special optical IQ modulator」 (#237603520005), 4,420,000 JPY

2014, International Conference Travel Grant, The Hara Research Foundation, Role: PI

2011-2013, Swedish Research Council, VR Project , Role: PI
「All-optical signal processing for advanced modulation formats」(#621-2010-3831), 2,511,000 SEK (~400K USD)

2008-2010, New-Generation Network Strategic Research Foundation, National Institute of Information and Communications Technology (NICT), Japan, Role: PI
「A Proposal of Innovative Network Service Platform to Promote Innovative Network Technologies--Implementation of Dynamic “Colorful-Light-Tree” over WSON」 20,000,000 JPY

# 4809270, Guo-Wei Lu, T. Miyazaki, “Optical Transmission Equipment and Approach,” Granted, filed on March 07, 2007, granted on August, 2011.