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Published January 1984 | Published
Journal Article Open

Theory and applications of four-wave mixing in photorefractive media

Abstract

The development of a theory of four-wave mixing in photo-refractive crystals is described. This theory is solved in the undepleted pumps approximation with linear absorption and without using the undepleted pumps approximation for negligible absorption. Both the transmission and reflection gratings are treated individually. The results are used to analyze several photorefractive phase conjugate mirrors, yielding reflectivities and thresholds. The use of photorefractive crystals as optical distortion correction elements and experimental demonstrations of several of the passive phase conjugate mirrors are described.

Additional Information

© 1984 IEEE. Reprinted with permission. Invited paper. Manuscript received June 27, 1983; revised September 7, 1983. This work was supported by the U.S. Air Force Office of Scientific Research, the U.S. Army Research Office, Durham, NC, and Rockwell International. M. Cronin-Golomb would like to acknowledge the support of the University of Sydney and B. Fischer would like to acknowledge the support of the Weizmann post-doctoral fellowship. The authors would like to acknowledge helpful discussions with S.-K. Kwong.

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August 22, 2023
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October 16, 2023