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Conferences > CLEO > 1992 > CTuK > CTuK50
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1992),
  • paper CTuK50

Speed enhancement of optical nonlinearity in an InGaAs/InGaAsP quantum well waveguide

R. V Penty, H. K. Tsang, I. H. White, R.S. Grant, J. E. A. Whiteaway, and W. Sibbett

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Abstract

Much research has been directed toward the study of all-optical nonlinearities in semiconductor optical waveguides because of their potential in signal processing. Nonresonant nonlinearities are of interest because of their ultrafast response but are typically weak.1 Carrier-enhanced nonlinearities are of interest for use in optical gates because of the significantly lower powers required, but they are typically limited in speed to the recombination time of photoexcited carriers.2 In this paper we report the electrical bias dependence of such nonlinearities.

© 1992 Optical Society of America

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