Anomalous diffraction behavior is observed, for the first time to our knowledge, in doped
KNSBN crystals. The space-charge field increases to its maximum value and then gradually …

The transient photorefractive properties of a BSO crystal after illumination by two coherent
light pulses were studied by monitoring the diffracted beam intensity of a HeNe laser beam …

In the paper we theoretically consider the dynamics of the inner field generated by
recharging trap waves propagation and spatial-temporal features of the photoinduced light …

We study experimentally the photorefractive gratings decay in semi-insulating germanium
doped cadmium telluride crystals. The estimates for the diffusion length of free carriers LD …

The steady-state exact solution for the higher harmonic gratings that synthesize the space-
charge field are derived without restrictions within the Kukhtarev model. This allows us to …

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 …

Nonlinear transport of hot electrons in semi-insulating GaAs/AlGaAs quantum wells
significantly affects their photorefractive properties. In case of two waves mixing, this …

We report nonstationary photorefractive holograms in absorbing Bi_12TiO_20 samples with
different degrees of hole-electron competition exhibiting resonance peaks due to electron …

Hot-carrier enhancement of photorefractive space-charge fields in zinc-blende semiconductors
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Considerable improvement of a transient two-beam coupling gain is reported for
Sn_2P_2S_6, a photorefractive crystal that possesses two types of movable charge carrier …