ISSUES > 1994 > DECEMBER 1994 > FEMTOSECOND SWITCHING SPEED IN A CURRENT-INJECTED GAAS/ALGAAS MULTIPLE QUANTUM-WELL NONLINEAR DIRECTIONAL COUPLER
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Femtosecond Switching Speed in a Current-Injected GaAs/AlGaAs Multiple Quantum-Well Nonlinear Directional Coupler

N. Peyghambarian, S. G. Lee, R. Jin, J. Yumoto, G. Khitrova, H. M. Gibbs, R. Binder, and S. W. Koch, Optical Sciences Center, University of Arizona, Tucson, Ariz.

We have demonstrated ultrafast switching behavior in a current-injected GaAs/AlGaAs multiple quantum well nonlinear directional coupler at room temperature. The results show low cross-over pulse energy (6 pJ) and full recovery within 1 picosecond.

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