It is shown that a moving intensity grating in a photorefractive crystal with a sufficiently large
lifetimemobility product can give rise to an instability against excitation of weakly damped …

Instability of the resonance enhancement of moving photorefractive gratings clickable element
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It is shown that weakly damped space-charge waves exist in photorefractive crystals with a
sufficiently large lifetime–mobility product. The dispersion law, the damping constant, and …

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 …

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 …

The instability of a spatial subharmonic grating during photorefractive hologram recording is
investigated theoretically. It is shown that such instability arises in crystals if the electron drift …

The process of hologram recording in a photorefractive crystal in an external dc field is
considered from the point of view of material equations. Conditions are calculated for the …

We formulate the fundamentals of the nonlinear theory of low-frequency space-charge
waves in semi-insulating photorefractive crystals. This includes an analysis of dispersion …

The spatial subharmonic instability arising from the material equations is investigated
theoretically for both square and sinusoidal applied alternating electric fields. The threshold …

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 …