The diffraction properties of fixed volume gratings, including the effect of additional
photorefractive energy coupling between the incident wave and the diffracted wave, are …

We describe a new method for photorefractive response time measurement in fast
photorefractive crystals based on continuous phase modulation in two-wave mixing. We …

We propose a new theoretical model for the light‐induced migration of charges which
mediates the''photorefractive effect''(light‐induced refractive index change) in barium titanate …

The dynamic range, defined as the range of intensity ratios for which two writing beams can
induce a detectable photorefractive grating, is measured for ferroelectric crystals BaTiO_3 …

The dynamics of a composite grating that consists of an original grating and a newly
superimposed grating are investigated for memory applications by solution of coupled-wave …

We present an experimental investigation of the phase conjugate reflectivity as a function of
angular deviation from collinearity of the pump waves in BaTiO 3. In that case of four-wave …

Photoinduced scattering (PS) is inherent in a varying degree in any photorefractive crystal.
The origin of the PS is quite clear: this is an amplification of the weak seed scattering. A …