A recently predicted resonant effect for the enhancement of two-wave mixing in
photorefractive materials is investigated. The resonance occurs when the frequency of the …

High-frequency resonances in photorefractive crystals clickable element to expand a topic
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An amplification mechanism relying mainly on the real part of the arising space charge field
in the presence of two strong pump beams is described. The dependence of amplification on …

Space-charge field in photorefractive materials at large modulation clickable element to
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It is shown theoretically that the space charge field generated by two‐wave mixing in a
photorefractive crystal may have a resonant response when a dc field and a sinusoidal ac …

The transients in photorefractive two-wave mixing are investigated under the condition when
the electron generation time is comparable with the dielectric relaxation time. It is shown that …

The recent study of nonlinear optical properties of photorefractive materials has led to the
experimental observation of anisotropic energy transfer in two-wave mixing, l the …

Two-wave mixing in photorefractive crystals at asymmetric ac field Page 1 Optics
Communications 99 ( 1993 ) 221-224 North-Holland OPTICS COMMUNICATIONS Two-wave …

A theoretical analysis is presented of two-wave mixing in photorefractive materials in which
the complex amplitude of a weak signal beam has slowly varying but otherwise arbitrary …

The second order temporal differential equation, known to describe the space charge field in
the high frequency region, is solved approximately in a closed analytical form. The condition …