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Conferences > CLEO > 1994 > CFG > CFG5
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1994),
  • paper CFG5

Large nonlinear optical properties of an InGaAs/lnAlAs multiple quantum well waveguide for 1.55 μm

T. Kanetake, H. Inoue, S. Tanaka, and S. Hanatani

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Abstract

Much attention has been paid to an enhanced third-order optical nonlinearity in semiconductors by the quantum size effect.1 Their large nonlinearities can be applied to all-optical signal processing, such as self-routing in optical communication networks. However, much less work has been reported on the MQWs in the 1.5– 1.6-μm wavelength region.2 Here, we demonstrate for the first time a drastic phase shift > 4π in a 1.55-μm InGaAs/InAlAs MQW waveguide with as much as 25 mW of a pulsed pump light.

© 1994 Optical Society of America

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