Nonlinear refractive-index changes induced by carrier injection in an InSb étalon.

We report the bistable switching of an InSb étalon in a novel mode of operation where the necessary changes in refractive index are induced by minority carrier injection through a p-n junction. Refractive-index changes of approximately 10(-5) are achieved using 3-V pulses. Switch ON and switch OFF characteristics and projected performance are discussed.