Abstract

An optical correlator based on acoustoelectro-optic interaction is proposed. The device is experimentally demonstrated with a LiNbO₃ crystal in which acoustic waves are launched by a piezoelectric transducer and electric fields are established through the photorefractive effect.

© 1987 Optical Society of America

Photorefractive time-integrating correlator

John H. Hong and Tallis Y. Chang
Opt. Lett. 16(5) 333-335 (1991)

Simple computational model of image correlation by four-wave mixing in photorefractive media

M. G. Nicholson, I. R. Cooper, M. W. McCall, and C. R. Petts
Appl. Opt. 26(2) 278-286 (1987)

Acousto-electro-optic phase gratings for optical signal processing applications

Casimer DeCusatis, P. Das, and D. M. Litynski
Appl. Opt. 30(5) 583-596 (1991)

Optical matrix–vector multiplication through four-wave mixing in photorefractive media

Pochi Yeh and Arthur E. T. Chiou
Opt. Lett. 12(2) 138-140 (1987)

Bias-free time-integrating optical correlator using a photorefractive crystal

Demetri Psaltis, Jeffrey Yu, and John Hong
Appl. Opt. 24(22) 3860-3865 (1985)