论文信息 - Phase conjugation of BaTiO3:Ce by backward stimulated photorefractive scattering

Phase conjugation of BaTiO3:Ce by backward stimulated photorefractive scattering

We present a self‐pumped phase conjugator (SPPC) based on backward stimulated photorefractive scattering in a BaTiO3:Ce crystal in air without any external seed beam. Stable reflectivities of as much as 70% and good phase conjugate fidelity have been demonstrated in the 0°‐cut crystals. Over 50% reflectivities at 515 nm have been obtained at an incident angle between 20° and 70°. In comparison with undoped 0°‐cut and 45°‐cut crystals, the buildup time of SPPC is much faster for the same intensity.

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