Abstract

Using multiple signal beams and controlling their relative phases, we demonstrate angular multiplexing of phase-sensitive holographic gratings in a photorefractive crystal. Interference between diffracted signal beams determines total diffracted intensities as a function of the relative phases between input signals compared with those between gratings. Complete constructive and destructive interference produce maximum and near-zero diffraction, respectively, from orthogonal gratings.

© 1996 Optical Society of America

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