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Conferences > APMED > 1999 > WMPC > WMPC17

Asymmetry of the Two-Wave-Coupling in Cubic Photorefractive Crystals for Counter-Propagating Directions

Nadezhda Nazhestkina, Alexei Kamshilin, Victor Prokofiev, Timo Jaaskelainen, and Frank Hergert

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Abstract

We show that a double phase-conjugate mirror recorded in photorefractive crystal of Bi12TiO20 under alternating electric field of the square-wave form possesses different efficiency for pump beams entering the crystal from opposite faces. The main reason of the observed asymmetry is a feature of the electrooptic effect in crystals of the cubic symmetry.

© 1999 Optical Society of America

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