Abstract
A theoretical model for optical parametric oscillation (OPO) with power-dependent pump reflections and arbitrary idler reflectivity is presented. After the differential coupled-wave propagation equations under the appropriate boundary conditions are solved, the general expression for conversion efficiency is derived. The characteristic behavior of the OPO efficiency as a function of input pump intensity is shown to evolve from pure singly resonant oscillation to pure doubly resonant oscillation as the idler reflectivity is gradually varied from 0% to near 100%. The optimal idler reflectivity depends on the specific values of the given OPO components and could be found with the general results presented.
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