Nonlinear Optical Properties in GaInAsP/InP Waveguides below the Band-gap Wavelength
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概要
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From picosecond pump-probe and interferometric experiments, we measured the intensity-dependent absorption and refractive index changes of GaInAsP/InP waveguides whose band-gap wavelengths ranged from 1.2 to 1.41 μm. An optical loop mirror interferometer was employed to measure the refractive index change in a time domain. The temporal response of the probe in GaInAsP waveguides was shown to be instantaneous following 4 ps pump pulses. The intensity-dependent refractive index coefficient was measured to be from $-0.55 \times 10^{-12}$ to $-3.37 \times 10^{-12}$ cm2/W. Also, intensity-dependent absorption changes were compared for three types of waveguide.
- 2006-04-15
著者
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Mizumoto Tetsuya
Department Of Eee Tokyo Institute Of Technology
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Mizumoto Tetsuya
Department of Electrical and Electronic Engineering, Graduate School of Science and Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo 152-8552, Japan
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Seo Jae-Kuk
Department of Electrical and Electronic Engineering, Graduate School of Science and Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo 152-8552, Japan
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