Abstract

There is now a strong interest in developing fast, efficient phase conjugators for a variety of applications. Here, we focus on a phase conjugation scheme where two external fields are injected into a broad-area laser diode using a spatially nondegenerate mixing geometry (Fig. 1). Our approach has the advantage of providing a phase conjugate mirror with nanosecond response times restricted only by the carrier lifetime inside the laser diode. This compares favorably with more conventional schemes for phase conjugation using photorefractive materials.

© 1995 IEEE