… Sinusoidal intensity oscillations of the phase conjugated wave reflected from a self-pumped
photorefractive BaTiO 3 crystal have been observed. The oscillation amplitude is shown to …

… BaTi03 as the holographic photorefractive medium, Feinberg … laser at 514.5 nm for the pump
beams. They used this mirror in … wave equation, we can obtain the following coupled wave …

… of angular deviation from collinearity of the pump waves in BaTiO3. In that case of four-wave
mixing the coupling process between the interacting waves is not precisely phase matched …

… gain and four-wave mixing reflectivity. As an example, four-wave mixing reflectivities as …
or decay time of the signal beam when the pump beam was chopped. Our results are given in …

… -wave mixing is measured to examine the photorefractive effect … The pump beam of
approximately 10 mW is obliquely … with the pump beam (Ppump+,) and without the pump beam (…

… , and four-wave mixing reflectivity. As an example, four-wave mixing reflectivities as large
as … This enhancement in gain is sufficient to allow operation of a self-pumped phase-conjugate …

… The wave S1 and the incident pump wave P1 record a grating with vector q. The second
pump wave P2 is diffracted from this grating q yielding S2. On the other hand, P2 and S2 also …

… are important photorefractive materials due to their self-pumped … As two coherent plane waves
intersect in a photorefractive … the signal beam and the other one is the pumping beam. The …

… conjugation by standard four-wave mixing (FWM), self-pumped phase conjugation or double…
limited to the undepleted pump regime. In our work depletion of pumps will be allowed and …

… We made the pump beam incoherent … wave vector was also characterized at three different
pump beam intensities. In our experiments, the beam ratio was kept constant when the pump …