Abstract
Phase-conjugate beam fidelity is studied in degenerate four-wave mixing with spatially varying pump beams. The theory includes long-cell-length (or high-gain) effects, diffraction, and nonlinear phase variation, focusing of the probe beam, and, finally, losses. Relatively simple algebraic expressions for the reflectivity are given that cover the cases of collinear or near-collinear beam geometries. An easily calculated parameter is defined that characterizes phase-conjugate fidelity and is applied to study focusing effects. It is shown that focusing effects may be useful in greatly reducing the principal distortion of the phase-conjugate beam over a considerable range of variation of beam parameters.
© 1983 Optical Society of America
Full Article | PDF ArticleMore Like This
Erik Bochove
Opt. Lett. 8(4) 202-204 (1983)
Daniel Bloch and Martial Ducloy
J. Opt. Soc. Am. 73(5) 635-646 (1983)
Govind P. Agrawal
J. Opt. Soc. Am. 73(5) 654-660 (1983)