Abstract

We demonstrate the high-contrast polarization-rotation switching in semi-insulating CdTe:Ga using a 30-ps pump and probe pulses at a wavelength of 1.064 μm. It is found that the maximum switching contrast in the photorefractive cross-polarization beam coupling configuration is about eight times higher for CdTe:Ga compared to undoped GaAs at fluences above 10 mJ/cm2.

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