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Faculty & Staff    Faculty
 WONG Kam Sing
  Tel: (852) 2358-7475
  Fax: (852) 2358-1652
  Location: Room 4453
  E-Mail: phkswong

Professor Kam Sing Wong received his BSc degree (1983) from the University of London. He completed his PhD degree at the University of Oxford in 1987. He joined the Physics Department of HKUST in 1991.

Professor Wong's main research interests include ultrafast lasers, time-resolved spectroscopy, parametric light generation, and semiconductor and polymer physics.

Research Areas

Representative Publications

"Radiative recombination and ultra-long exciton photoluminescence lifetime in GaN freestanding film via two-photon excitation", Y. Zhong, K. S. Wong, W. Zhang and D. C. Look, Appl. Phys. Lett. 89, 022108 (2006).

"Fabrication of photonic crystals with tunable surface orientation by holographic lithography", Y. Zhong, L. Wu, H. Su, K. S. Wong and H. Wang, Wang, Opt. Express 14, 6837 (2006).

"Simultaneous enhancement of the second and third harmonic generations in one-dimensional semiconductor photonic crystals", H. Yang, P. Xie, S.K. Chan, W. Lu, Z.Q. Zhang, I.K. Sou, G.K.L. Wong and K.S. Wong, IEEE J. Quantum Electronics 42, 447-452 (2006).

"Efficient second harmonic generation from large band gap II-VI semiconductor photonic crystal", H. Yang, P. Xie, S.K. Chan, Z.Q. Zhang, I.K. Sou, G.K.L. Wong and K.S. Wong, Applied Physics Letters 87, 131106-1-3 (2005).

"Enhanced emission efficiency and excited state lifetime due to restricted intramolecular motion in silole aggregates", Y. Ren, Jacky W.Y. Lam, Yongqiang Dong, B.Z. Tang and K.S. Wong, J. Phys. Chem. B, 109, 1135-1140 (2005).

"Fabrication of large area two- and three-dimensional polymer photonic crystals using single refracting prism holographic lithography", Lijun Wu, Yongchun Zhong, C.T. Chan and K.S. Wong, Applied Physics Letters 82, 241102-1-3 (2005).

"Microcavity lasing behavior of oriented hexagonal ZnO nanowhiskers grown by hydrothermal oxidation", Z.R. Qiu, K.S. Wong, M.M. Wu, W.J. Lin and H.F. Xu, Appl. Phys. Lett. 84, 2739 (2004).

"Intensity dependence and transient dynamics of donor-acceptor pair recombination in ZnO thin film grown on (001) silicon", B. Guo, Z.R. Qiu and K.S. Wong, Appl. Phys. Lett. 82, 2290 (2003).

"Study of the energy transfer processes in polyfluorene doped with tetraphenyl porphyrin", B.P. Lyons, K.S. Wong and A.P. Monkman, J. Chem. Phys. 118, 4707 (2003).

"Generation of the visible 13.5fs laser pulses by noncollinearly phase-matched optical parametric amplification", T. Sun, K.S. Wong, W.L. Zhang and Q.Y. Wang, Acta Physica Sinica 51, 2281 (2002).

"Two-photon absorption autocorrelation of visible to ultraviolet femtosecond laser pulses using ZnS-based photodetectors", T. Sun, B.K.K. Fung, I.K. Sou, G.K.L. Wong, K.S. Wong and G. Lanzani, IEEE Photonics Technology Letters 14, 86-88 (2002).

"Observation of In-Plane Optical Anisotropy of Spin-Cast Rigid Rod Electroluminescent Polymer Films" C.W.Y. Law, K.S. Wong, Z. Yang, L.E. Horsburgh and A.P. Monkman, Appl. Phys. Lett. 76, 1416 (2000).

"Femtosecond Time-Resolved Laser-Action in Poly(p-phenylene vinylene) Films: Stimulated Emission in an Inhomogeneously Broadened Exciton Distribution", C.W. Lee, K.S. Wong, J.D. Huang, S.V. Frolov and Z.V. Vardeny, Chem. Phys. Lett. 314, 564 (1999).

"Third-Order Optical Nonlinearity in ZnO Microcrystallite Thin Films", W. Zhang, H. Wang, K.S. Wong, Z.K. Tang, G.K.L. Wong and R. Jain, Appl. Phys. Lett. 75, 3321 (1999).

"One- and Two-Photon-Excited Time-Resolved Photoluminescence Investigations of Bulk and Surface Recombination Dynamics in ZnSe", H. Wang, K.S. Wong, B.A. Foreman, Z.Y. Yang and G.K.L. Wong, J. Appl. Phys. 83, 4773 (1998).

"Ultrafast Excited State Planarization of Hexamethylsexithiophe Oligomer Studied by Femtosecond Time-Resolved Photoluminescence", K.S. Wong, H. Wang and G. Lanzani, Chem. Phys. Lett. 288, 59 (1998).

"Efficient Visible Femtosecond Optical Parametric Generator and Amplifier Using Titled Pulse-Front Pumping", K.S Wong, Z.R. Qui, H. Wang and G.K.L. Wong, Opt. Lett. 22, 898 (1997).

"Femtosecond Time-Resolved Z-Scan Investigations of Optical Nonlinearities in ZnSe", K.Y. Tseng, K.S. Wong and G.K.L. Wong, Opt. Lett. 21, 180 (1996).

"Bandwidth Enhancement in Silicon Metal-Semiconductor-Metal Photodetector by Trench Formation", J.Y.L. Ho and K.S. Wong, IEEE Photon. Techn. Lett. 8, 1064 (1996).


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