We show that a photoconductive crystal, placed in a rapidly alternating ac field and exposed
to nonuniform light, exhibits singularities of the induced space charge and discontinuities of …

We investigate light beam propagation in a fast photorefractive medium placed in an
alternating electric ac field to enhance the nonlinear response. It is shown that the joint …

Origin of temporal fluctuation in the photorefractive effect clickable element to expand a topic
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We present the first complete theoretical model that describes the formation of the space-
charge field in a photorefractive material that is exposed to a sinusoidal ac electric field with …

The space-charge-field formation in a photorefractive crystal illuminated by a one-
dimensional light pattern is studied when an alternating square-wave electric field is applied …

The fundamental component of the space-charge field in a photorefractive crystal is studied
in the presence of an applied alternating electric field. A general equation for the amplitude …

Space-charge fields in photorefractive materials enhanced by moving fringes are studied for
simultaneous electron–hole transport. Two distinct models, one with a single set of impurity …

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 …

Recent analytical results in the frame of photorefractive spatial-soliton propagation are
exploited to derive a novel scheme for the investigation of space-charge field formation in …

The response of photorefractive materials is considered when there is no optical input but
previous optical excitation is taken into account by a set of initial conditions. The temporal …