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Chinese Journal of Physics

The Impulse Response of a Resonant Phase conjugator

Ming‐Hui Lu, Chenhao Pan, Chung-Hsuan Huang

Published Dec 1, 1985• 0 citations
OpenAlex

Abstract

Based on the result, of ref. [5], the impulse response of a resonant phase conjugator is calculated with the fourwave mixing. An analytical expression is obtained. This result is compared with that of a Kerr-like phase conjugator, given by R. A. Fisher et al [4]. The difference is discussed.

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A calculation procedure and various large-signal and numerical solutions are presented for degenerate four-wave mixing in optical Kerr media, and for phase conjugate resonators using degenerate four-wave mixing. The solutions presented take full account of nonlinear refractive index changes, pump depletion, signal saturation, distributed losses, and possible external mirrors with laser gain. We find that including the nonlinear index change generally causes little change in the reflectivity or power output of degenerate four-wave mixing devices, at least with symmetric pumping. The optimum power output from a phase conjugate resonator with and without a laser gain medium is calculated. The results provide some theoretical guidance for designing phase conjugate resonators. PACS Code 42. 65. Bp; 42. 60. Da