Abstract

Recently, Tai et al.1 used InGaAs/InP multiple quantum wells (MQWs) to construct nonlinear optical Fabry-Perot devices for performing all-optical switching at the fiber communication wavelengths. These devices exhibit low-input energy requirements, large on/off contrast ratios (6 pJ for 5:1 contrast), large on-state transmissions (≈40%), and signal gains (≈2). However, the complexity due to the etalon and saturation effects prevented the accurate deduction of nonlinear coefficients and studies of their spectral dependence.

© 1987 Optical Society of America

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