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Proceedings Paper

Nonunidirectional energy exchange at the two-wave interaction in cubic photorefractive crystals under a square-wave electric field
Author(s): Oleg V. Kobozev; Alexey A. Maximov; Rudolf V. Litvinov; Stanislav M. Shandarov
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Paper 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.

Paper Details

Date Published: 24 September 1999
PDF: 8 pages
Proc. SPIE 3900, 3rd International Conference on Optical Information Processing, (24 September 1999); doi: 10.1117/12.364534
Show Author Affiliations
Oleg V. Kobozev, Tomsk State Univ. of Control Systems and Radioelectronics (United States)
Alexey A. Maximov, Tomsk State Univ. of Control Systems and Radioelectronics (Russia)
Rudolf V. Litvinov, Tomsk State Univ. of Control Systems and Radioelectronics (Russia)
Stanislav M. Shandarov, Tomsk State Univ. of Control Systems and Radioelectronics (Russia)


Published in SPIE Proceedings Vol. 3900:
3rd International Conference on Optical Information Processing
Yuri V. Gulyaev, Editor(s)

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