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Conferences > IPR > 1992 > WA > WA6

All-optical switching using dispersive nonlinearities in InGaAs/GaAs single quantum well laser diodes

P. Li Kam Wa, T.W. Kao, A. Miller, M. Ogawa, and R.M. Park

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Abstract

All optical switching due to nonlinear Fabry-Perot modulation has been obtained in laser diodes electrically biased below lasing threshold. The advantage of such devices over their passive counterparts is the realization of amplification of the input optical signal. This eliminates the problem of fan-out capabilities of all-optical switching devices. The mechanism for the nonlinear refraction arises through gain saturation by optical depletion of carriers.

© 1992 Optical Society of America

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