Abstract
Previous theoretical models for linear and ring self-pumped phase-conjugate mirrors are reviewed and modified to include the effects of linear absorption. The nonlinear photorefractive response at high modulation depths, present when large electric fields are applied in semiconductor and sillenite materials, is included in the coupled wave equations for the ring mirror, and the equations are solved numerically. Results of the analysis show that phase-conjugate reflectivities can be severely limited because of both linear absorption and large-signal effects. The calculations are compared with actual measurements of ring mirrors by using InP and Bi12TiO2o.
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