Abstract

A photorefractive frequency converter and phase-sensitive detector is proposed and demonstrated. Dynamic photorefractive theory is used to examine device characteristics for inputs from available types of spatial light modulator to determine which reference modulations are optimal for a given signal modulation. The output linearity is determined for pairs of signal and reference modulation types, and both spatial and temporal intensity variations are analyzed. Photorefractive response times are measured from the frequency-conversion bandwidth.

© 1993 Optical Society of America

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