The theory of grating oscillations in photorefractive materials is developed in the linear and
nonlinear approximations for the drift mechanism of holographic recording. The resonance …

A theoretical analysis is presented that describes wave-mixing processes in thin holographic
gratings for phase-modulated beams. Experiments with photorefractive Bi_12TiO_20 …

A theory is proposed to describe holograms in thin photorefractive crystals and the self-
diffraction of two writing laser beams, one of which is periodically modulated in phase. In …

Photorefractive crystals are materials whose index of refraction is altered under illumination
by light. These crystals are both photoconductive and electrooptic. When a nonuniform light …

Instability of the resonance enhancement of moving photorefractive gratings clickable element
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We show analytically and numerically that the refractive-index gratings produced by the
photorefractive effect need not be of the same periodicity as the driving light intensity. Even …

Signal Pump Page 1 Slowing Down of Light in Photorefractive Crystals with Beam Intensity
Coupling Reduced to Zero A. Shumelyuk,1 K. Shcherbin,1 S. Odoulov,1 B. Sturman,2 E …

High-frequency resonances in photorefractive crystals clickable element to expand a topic
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We present a theory of the frequency-detuning properties of various oscillators formed by
four-wave mixing in photorefractive crystals. It is shown that the detuning originates from the …

It is shown that spatial gratings in photorefractive crystals, induced by the standing
interference pattern of two coherent waves and an external alternating electric field, may be …