Pao-Lo Liu, "A key agreement protocol using band-limited random signals and feedback," IEEE J. of Lightwave Tech., 27 pp. 5230-5234 (2009).
Pao-Lo Liu and Swades De, "Fiber design--from optical mode to index profile," Optical Engineering, 42, pp. 981-984 (2003)
P.L. Liu S. L. Yang, and D. M. Yuan, "The semivectorial beam-propagation method," IEEE J. Quantum Electron., QE-29, pp.1205-1211 (1993)
P.L. Liu, "Photon statistics and mode partition noise of semiconductor lasers," in Coherence, Amplification, and Quantum Effects in Semiconductor Lasers, ed. Y. Yamamoto, John Wiley & Sons, New York (1991)
P. L. Liu, R. Yen, N. Bloembergen, and R. T. Hodgson, "Picosecond laser-induced melting and resolidification morphology on Si," Appl. Phys. Lett., 34, 864-866 (1979).