Nonunidirectional energy exchange at the two-wave interaction in cubic photorefractive crystals under a square-wave electric field

Oleg V. Kobozev; Alexey A. Maximov; Rudolf V. Litvinov; Stanislav M. Shandarov

doi:10.1117/12.364534

24 September 1999 Nonunidirectional energy exchange at the two-wave interaction in cubic photorefractive crystals under a square-wave electric field

Oleg V. Kobozev, Alexey A. Maximov, Rudolf V. Litvinov, Stanislav M. Shandarov

Author Affiliations +

Proceedings Volume 3900, 3rd International Conference on Optical Information Processing; (1999) https://doi.org/10.1117/12.364534
Event: Third International Conference on Optical Information Processing, 1999, Moscow, Russian Federation

Abstract

We demonstrate experimentally and theoretically that the sign of two-wave coupling gain in sillenite crystal at some polarization of light changes with the increase of the amplitude of square-wave field applying along the axis. It is shown that the nonunidirectional energy exchange is the reason of this effect in Bi₁₂TiO₂₀ single crystal. Also strong influence of this effect on the polarization properties of the two-wave coupling gain was it revealed at the experimental investigations of the efficiency of the two-wave interaction in Bi₁₂SiO₂₀ single crystal. At the theoretical analysis we used the model obtained on the basic of the mode approach. Made the numerical calculation of dependencies of the two-wave coupling gain has good agreement with the experimental data. This calculation has allowed estimating the material parameters of the investigated samples of the crystal.

Citation Download Citation

Oleg V. Kobozev, Alexey A. Maximov, Rudolf V. Litvinov, and Stanislav M. Shandarov "Nonunidirectional energy exchange at the two-wave interaction in cubic photorefractive crystals under a square-wave electric field", Proc. SPIE 3900, 3rd International Conference on Optical Information Processing, (24 September 1999); https://doi.org/10.1117/12.364534

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