The photorefractive two-wave mixing gain coefficient Γ of GaAs: Cr and InP: Fe, cut with
different crystallographic orientations, was determined using a cw Nd: YAG (neodymium …

Dependence of the phase conjugate signal in photorefractive four-wave mixing on the
crystal orientation and the polarization of the interacting beams is experimentally studied for …

The polarization dependence of two-wave mixing for two common crystal orientations is
described and theoretical and experimental results given. The direction of energy exchange …

Two-wave mixing gain in photorefractive GaAs: Cr using the moving grating technique has
been measured. The results compare well to theory when a value of τ di/τ 2 measured by …

We propose and demonstrate a new method to measure the two-wave mixing coefficient
with slight influence of beam fanning in thick crystals with high coupling constants. The …

The photorefractive effect has been observed for the first time in semi-insulating InPe: Fe
and Ga~ sCr. Thes~ m~ terials are sensitive and versatile recording media for high bit rate …

As before, Z can be obtained by solving Equation 8 with a set of given values ofgsz, Co and
Ilo. With% 4: 0 it may be difficult to solve the coupled wave equation analytically. It is easier …

We extend the standard model of four-wave mixing in photorefractive crystals to the case
where the Bragg-condition is broken by a slight departure from degeneracy. Our analytical …

The time responses of the photorefractive effect in semi-insulating InP doped with Fe and
CdTe doped with In are measured. Using microjoule infrared pulses, gratings can be written …

The two-wave mixing gain coefficient Γ was measured in photorefractive InP: Fe using a dc-
field and temperature regulation. Γ depends on the polarity of the applied electric dc-field …