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We present data showing nonlinear resonantly enhanced photorefractive response at high modulation depths in InP:Fe. A simple empirical model is used to describe the behavior. Next the impact of these large-signal effects, as well as linear absorption, on the self-pumped phase-conjugate mirror is examined. Finally we compare predicted performance to actual measurements of a ring self-pumped phase-conjugate mirror using InP. The performance of the double-pumped phase-conjugate mirror is also examined experimentally and compared with the performance of the ring mirror.
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Millerd et al. (1992) studied this question.
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