… Coupled wave theory In this section coupled wave theory is applied to predict beam coupling
… to account for diffraction into higher order beams. However a solution derived using thin …

… crystal layer. Here, we review some recent experiments of beam coupling in photorefractive
… configuration, we present two-beam coupling and optical amplification in single pass …

… results for beam coupling experiments with moving fringes in BSO. We have also provided
a theory which goes beyond existing theories of beam coupling in photorefractive materials …

… -beam-coupling gain of a photorefractive crystal when it is illuminated by two light beams
that … We demonstrated that the photorefractive space-charge field reaches a quasi-steady-state …

… To elucidate the behavior of steady state beam coupling, we cite thesolution of the coupled
wave equations that governs the interaction of twobeams of light in a nonlinear optical …

… We report two-beam coupling experiments at 1.06-μm wavelength using photorefractive
semi-insulating GaAs:Cr in the moving-grating recording mode. The steady-state gain coefficient …

… We present two-beam coupling characterization of Ba0.77Ca0.23TiO3, a ferroelectric … -beam
coupling photorefractive gain Γ in a photorefractive Ba0.77Ca0.23TiO3 crystal. This …

… organic photorefractive polymer as a function of electric field by using two-beam coupling. …
shifted photorefractive grating. However, in moderate-to-high electric fields a much stronger …

… two-beam coupling in a cubic photorefractive crystal, taking into … , and photoelasticity of the
crystal. The expressions of light-… optimize two-beam coupling in cubic photorefractive crystals. …

… wave coupling in photorefractive cubic crystals … of photorefractive phenomena, including
the efficiency and polarization properties of Bragg diffraction, polarization two-beam coupling …