Title :
Two-photon absorption and self-phase modulation in silicon waveguide at 1.5 /spl mu/m wavelength
Author :
Wong, C.S. ; Tsang, H.K. ; Day, I.E. ; Harpin, A. ; Drake, J. ; Asghari, M.
Author_Institution :
Dept. of Electron. Eng., Chinese Univ. of Hong Kong, Shatin, China
Abstract :
We measure for the first time two-photon absorption in silicon at 1.5 /spl mu/m wavelength. The two-photon absorption coefficient was found to be 0.45 cm/GW and a /spl pi/ phase shift from self-phase modulation was obtained.
Keywords :
absorption coefficients; elemental semiconductors; optical waveguides; self-phase modulation; silicon; two-photon processes; /spl pi/ phase shift; 1.5 micron; Si; Si waveguide; Si-SiO/sub 2/; optical nonlinearities; self-phase modulation; two-photon absorption; two-photon absorption coefficient; Absorption; Fiber nonlinear optics; Optical attenuators; Optical pulses; Optical refraction; Optical waveguides; Pulse measurements; Scanning probe microscopy; Silicon; Wavelength measurement;
Conference_Titel :
Lasers and Electro-Optics, 2001. CLEO/Pacific Rim 2001. The 4th Pacific Rim Conference on
Conference_Location :
Chiba, Japan
Print_ISBN :
0-7803-6738-3
DOI :
10.1109/CLEOPR.2001.967989
