Abstract

Phase-conjugate lasers with saturable gain medium are analyzed, taking into account the saturation of the reflectivity of the phase-conjugate mirror that is due to pump depletion. It is shown that the behavior of the laser is determined by the extent to which the reflectivity is saturated as compared with the saturation of the gain medium. For weakly saturated phase-conjugate mirrors, the intensities and gain are not much different from those in conventional lasers. For strongly saturated mirrors, the laser behaves more like a single-pass amplifier with output intensity proportional to the pump intensity of the phase-conjugate mirror.

© 1983 Optical Society of America

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