Selected journal papers:

M. P. Fok and C. Shu, "Recent advances in optical processing techniques using highly nonlinear bismuth oxide fiber," IEEE J. Selected Topics in Quantum Electron., vol. 14, No.3, May/June, 2008. (invited paper).

M. P. Fok and C. Shu, "Tunable optical delay using four-wave mixing in a 35-cm highly nonlinear bismuth-oxide fiber and group velocity dispersion," J. Lightwave Technol., vol. 26, No.5, pp.499-504, March 1, 2008.

C. Shu, K. L. Lee, and M. P. Fok, "Switching-wavelength pulsed source and its applications in parallel processing of high-speed signals," IEICE Trans. Electron., vol. E90-C, No.2, pp. 397-404, February 2007 (invited paper).

M. P. Fok and C. Shu, "Multi-pump four-wave mixing in a photonic crystal fiber for 6 x 10 Gb/s wavelength multicasting of DPSK signals," IEEE Photon. Technol. Lett., vol. 19, No. 15, pp. 1166-1168, August, 2007.

W. W. Tang, M. P. Fok, and C. Shu, "10 GHz pulses generated across a ~100 nm tuning range using a gain-shifted mode-locked SOA ring laser," Optics Express, vol. 14, No. 6, pp.2158-2163, March 20, 2006.

M. P. Fok, W. W. Tang, and C. Shu, "Higher order repetition rate multiplication for multi-wavelength pulsed source," IEEE Photon. Technol. Lett., vol. 18, No. 3, pp. 466-468, January-February, 2006.

W. W. Tang and C. Shu, "Optical pumping of a semiconductor optical amplifier for wide-band noninverting wavelength conversion," IEEE Photon. Technol. Lett., vol. 17, No. 9, pp. 1905-1907, September 2005.

T. T. Yang, C. Shu, and Chinlon Lin, "Depolarization technique for wavelength conversion using four-wave mixing in a dispersion-flattened photonic crystal fiber," Optics Express, vol. 13, No. 14, pp.5409-5415, July 11, 2005.

K. K. Chow, C. Shu, C. Lin, and A. Bjarklev, "Polarization-insensitive widely tunable wavelength converter based on four-wave mixing in a dispersion-flattened nonlinear photonic crystal fiber", IEEE Photon. Technol. Lett., vol. 17, No. 3, pp.624-626, March 2005.

W. W. Tang and C. Shu, "Self-starting picosecond optical pulse source using stimulated Brillouin scattering in an optical fiber", Optics Express, vol. 13, No. 4, pp.1328-1333, February 21, 2005.

K. K. Chow, C. Shu, M. W. K. Mak, and H. K. Tsang, "External-pump-free polarization-insensitive wavelength converter with fast wavelength switching using orthogonal pumps four-wave mixing in a semiconductor optical amplifier", IEEE J. Selected Topics in Quantum Electron., vol. 10, No. 5, pp.1197-1202, Sept. 2004.

K. K. Chow and C. Shu, "All-optical signal regeneration with wavelength multicasting at 6Ёб10 Gb/s using a single electroabsorption modulator", Optics Express, vol. 12, No. 13, pp.3050-3054, June 28, 2004.

K. L. Lee, C. Shu, and H. F. Liu, "Subharmonic pulse-gating in self-seeded laser diodes for time- and wavelength-interleaved picosecond pulse generation", IEEE J. Quantum Electron., vol. 40, No. 3, pp.205-213, March 2004.

M. P. Fok, K. L. Lee, and C. Shu, "4 X 2.5 GHz repetitive photonic sampler for high-speed analog-to-digital signal conversion", IEEE Photon. Technol. Lett., vol. 16, No. 3, pp. 876-878, March 2004.
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Selected conference Papers:

M. P. Fok and C. Shu, "Wavelength Transparent DPSK Demodulation Using Delay-Asymmetric Nonlinear Loop Mirror," The 34th European Conference on Optical Communication (ECOC 2008), paper Tu.4.B.1, Brussels, Belgium, September 2008.

M. P. Fok and C. Shu, "Tunable Optical Delay with Signal Regeneration Using Cross-Absorption Modulation Wavelength Conversion and Chromatic Dispersion," OSA Conference on Lasers and Electro-Optics (CLEO 2008), paper CThH4, San Jose, USA, May 2008.

G. K. P. Lei, M. P. Fok and C. Shu, "40-GS/s All-Optical Sampling Using Four-Wave Mixing with a Time- and Wavelength-Interleaved Laser Source," OSA Conference on Lasers and Electro-Optics (CLEO 2008), paper CTuH6, San Jose, USA, May 2008.

A. Cheng, M. P. Fok and C. Shu, "Wavelength Transparent SBS Slow Light Using XGM-Wavelength Converter and Brillouin Fiber Laser," OSA Conference on Lasers and Electro-Optics (CLEO 2008), paper JWA33, San Jose, USA, May 2008.

M. P. Fok and C. Shu, "Delay-Asymmetric Nonlinear Loop Mirror," 2008 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC 2008), paper PDP 24, San Diego, USA, February 2008 [postdeadline].

M. P. Fok and C. Shu, "Wavelength Multicasting of ASK-DPSK Signal Using Four-Wave Mixing in a 32-cm Highly Nonlinear Bismuth Oxide Fiber," 2008 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC 2008), paper OMV2, San Diego, USA, February 2008.

M. P. Fok and C. Shu, "Tunable Pulse Delay Using Spectral Filtering from a Nonlinearly Broadened Optical Spectrum and Group Velocity Dispersion in a Chirped Fiber Bragg Grating," The 33th European Conference on Optical Communication (ECOC 2007), Berlin, Germany, September 2007.

M. P. Fok and C. Shu, "Bismuth-Oxide Highly Nonlinear Fiber Based Dispersion Imbalanced Loop Mirror for RZ Signal Regeneration," The 33th European Conference on Optical Communication (ECOC 2007), Berlin, Germany, September 2007.

M. P. Fok, J. A. Summers, M. L. Ma?anovi?, C. Shu, and D. J. Blumenthal, "Tunable DPSK Wavelength Converter Using an SOA-MZI Monolithically Integrated with a Sampled-Grating Distributed Bragg Reflector," 2007 European Conference on Lasers and Electro-Optics and the International Quantum Electronics Conference (CLEO/Europe-IQEC), paper CI1-5-TUE, Munich, Germany, June 2007.

M. P. Fok, C. Shu, and D. J. Blumenthal, "40-Gb/s Polarization Multiplexed RZ-ASK-DPSK Signal Wavelength Conversion using a 32-cm Bismuth-Oxide Highly Nonlinear Fiber," 2007 European Conference on Lasers and Electro-Optics and the International Quantum Electronics Conference (CLEO/Europe-IQEC), paper CI4-2-THU, Munich, Germany, June 2007.

M. P. Fok and C. Shu, "Polarization-Insensitive Wavelength Conversion of DPSK Signal Using Four-Wave Mixing in 32-cm Bismuth-Oxide Highly Nonlinear Fiber," 2007 OSA Conference on Lasers and Electro-Optics (CLEO 2007), paper CThF2, Baltimore, Maryland, USA, May 2007.

A. Cheng, M. P. Fok, C. Shu, "Wideband SBS Slow Light in a Single Mode Fiber Using a Phase-Modulated Pump," 2007 OSA Conference on Lasers and Electro-Optics (CLEO 2007), paper JWA49, Baltimore, Maryland, USA, May 2007.

M. P. Fok, C. Shu, and D. J. Blumenthal, "All-Optical ASK-DPSK Signal Regeneration Using a Semiconductor Optical Amplifier," 2007 OSA Conference on Lasers and Electro-Optics (CLEO 2007), paper JTuA126, Baltimore, Maryland, USA, May 2007.

M. P. Fok and C. Shu, "Tunable pulse delay using four-wave mixing in a 35-cm bismuth oxide highly nonlinear fiber and dispersion in a chirped fiber Bragg grating," the 32 nd European Conference on Optical Communication (ECOC), paper We1.3.3, Cannes, France, September, 2006.

M. P. Fok and C. Shu, "All-optical amplitude noise reduction for DPSK signal using pump-modulated four-wave mixing in a semiconductor optical amplifier," the 32 nd European Conference on Optical Communication (ECOC), paper We3 P72, Cannes, France, September, 2006.

M. P. Fok and C. Shu, "Performance Investigation of Tunable Optical Delay for ASK and DPSK Signals Using Four-Wave Mixing Wavelength Conversion in a Bismuth Oxide Highly Nonlinear Fiber," 2007 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC 2007), Paper JWA60, Anaheim, California, USA, March 2007.

M. P. Fok, C. Shu, and D. J. Blumenthal, "Dual-Pump Four-Wave Mixing in Bismuth-Oxide Highly Nonlinear Fiber for Wide-Band DPSK Wavelength Conversion," 2007 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC 2007), Paper JThA52, Anaheim, California, USA, March 2007.

C. Shu and M. P. Fok, "Nonlinear optical approaches for the generation of multi-wavelength outputs from fiber lasers," in 2006 Optical Amplifiers and Their Applications Topical Meeting (OAA), paper OTuD2, Whistler, Canada, June 2006 (invited).

M. P. Fok and C. Shu, "Bandwidth enhanced multi-wavelength source from an SBS-assisted fiber ring laser using four-wave mixing in a highly nonlinear bismuth oxide fiber," 2006 Conference on Lasers and Electro-optics (CLEO), paper CTuI4, Long Beach, USA, May 2006.

M. P. Fok and C. Shu, "Wavelength multicasting of DPSK signal using four-wave mixing in a dispersion-flattened highly nonlinear photonic crystal fiber," in 2006 Conference on Lasers and Electro-optics (CLEO), paper CTuA5, Long Beach, USA, May 2006.

M. P. Fok and C. Shu, "Wavelength- and width-tunable optical pulses generated from four-wave mixing in a 35-cm bismuth oxide highly nonlinear optical fiber," 2006 Optical Fiber Communications Conference (OFC), paper OW134, Anaheim, USA, March 2006.

M. P. Fok, W. W. Tang, and C. Shu, "Polarization-independent, frequency-detuning tolerant scheme for pulse rate multiplication using spectral elimination with a birefringence loop mirror filter," 2005 CLEO, paper CTuN2, Baltimore, USA, May 2005.

K. K. Chow, C. Shu, C. Lin, and A. Bjarklev, "All-optical pulse compression and reshaping by spectral filtering from self-phase modulation in a nonlinear photonic crystal fiber," 2005 CLEO, paper JTuC20, Baltimore, USA, May 2005.

S. H. Lee, K. K. Chow, and C. Shu, "All optical RZ to NRZ format conversion using phase modulation in a dispersion-shifted fiber," 2005 CLEO, paper JThE75, Baltimore, USA, May 2005.

W. W. Tang, M. P. Fok, and C. Shu, "100-nm tuning range, picosecond pulse generation employing a PM fiber loop filter in a mode-locked SOA ring laser," 2005 OFC, paper OFJ5, Anaheim, USA, March 2005.

W. W. Tang and C. Shu, "Self-Starting, high-repetition rate picosecond pulse generation using stimulated Brillouin scattering in optical fibers," 2005 OFC, paper OME9, Anaheim, USA, March 2005.

M. P. Fok, K. L. Lee, C. Shu, "Dynamic waveband switching in semiconductor optical amplifier fiber ring laser based multi-wavelength source," 30th ECOC, paper Mo3.4.6, Stockholm, Sweden, September, 2004.

K. K. Chow, C. Shu, C. L. Lin, "All-Optical signal restoration by spectral filtering of self-phase modulation in nonlinear photonic crystal fiber," 30th ECOC, paper We4.P.104, Stockholm, Sweden, September, 2004.

M. Li, P. S. Chung, M. T. Yeung, P. S. Chan, T. K. Liang, C. Shu, K. W. C. Lai, W. J. Li, F. K. Tong, and H. K. Tsang, "Mirror coating and packaging for a horizontal MEMS optical switch array," IEEE 2004 Electronic Components and Technology Conference (54th ECTC) pp.1400-1405, Las Vegas, USA, June 2004.

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Book Chapter:

R. Engelmann, C. L. Shieh, and C. Shu, "Multiquantum well lasers: threshold considerations", in Quantum Well Lasers, P.S. Zory, Editor. Academic Press, USA, pp. 131-188, 1993.

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