Optical EngineeringHybrid optical/electronic nonlinear optical devices [also Erratum 31(4) 862 (Apr1992)]
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Hybrid optical/electronic nonlinear optical devices are presented that have bistable and hysteresis properties. These devices are based on linear optical modulators and nonlinear electronic feedback that controls the modulators. Because the nonlinearity is contained entirely in the feedback electronics, the nonlinearity is electronically and optically tunable. An experimental implementation of a hybrid device using a linear acousto-optic modulator and a nonlinear electronic Schmitt trigger is discussed. A conceptual electro-optical device, which may be implemented in arrays, is described.