Abstract

We report two-wave mixing measurements in ion-implanted KNbO₃ planar waveguides and their numerical analysis in the framework of a two-dimensional model that takes the lateral intensity distribution of the two beams into account. We demonstrate that the gain and its time response can be interpreted in terms of an apparent interaction length and a spatially varying time constant.

© 1994 Optical Society of America

Two-wave mixing in photorefractive ion-implanted KNbO₃ planar waveguides at visible and near-infrared wavelengths

M. Zha, D. Fluck, P. Günter, M. Fleuster, and Ch. Buchal
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Enhancement of the signal-to-background ratio in photorefractive two-wave mixing by mutually incoherent two-beam coupling

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Frequency acquisition with photorefractive two-wave mixing

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Self-focusing in photorefractive two-wave mixing

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Wave mixing and beam profile control in a photorefractive waveguide

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