Phase-conjugate reflection by degenerate four-wave mixing in a nematic liquid crystal in the isotropic phase

Abstract

We report the generation of conjugate wave fronts by degenerate four-wave mixing in the isotropic phase of the nematic substance p-methoxy-benzylidene p-n-butylaniline. The temporal and spatial properties of the conjugate wave fronts are verified. The dependence of the nonlinear reflectivity on the pump-wave power and the temperature of the medium is discussed.

© 1980 Optical Society of America

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