Abstract
The observations on the stimulated photorefractive scattering self-pumped phase conjugator (SPS-SPPC) in Ce-doped BaTiO3 demonstrate that the self-built pumped paths in the SPS-SPPC are induced by the scattering seeds. Using these results, a formation mechanism of the SPS-SPPC is presented, which is related to the scattering seeds, the contradirectional two-wave mixing, and four-wave mixing. The production conditions of the pumped paths are also given. The studies show that both too short and too long distances from the scattering seed to the region of the four-wave mixing will bring about a failure in building the optical paths, and the large backscattering coefficient is always advantageous to produce these paths.
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