Abstract

We describe how two-wave mixing of light scattered at the entrance face of a photorefractive crystal can be used to measure the frequency difference between two independent lasers. This method can be used to accomplish initial frequency acquisition in coherent optical homodyne receivers.

© 1994 Optical Society of America

Enhancement of the signal-to-background ratio in photorefractive two-wave mixing by mutually incoherent two-beam coupling

S. Breugnot, D. Dolfi, H. Rajbenbach, J.-P. Huignard, and M. Defour
Opt. Lett. 19(14) 1070-1072 (1994)

Two-wave mixing of focused Gaussian beams in photorefractive waveguides

Daniel Fluck, Joseph A. Weiss, Simon Brülisauer, and Peter Günter
Opt. Lett. 19(24) 2080-2082 (1994)

Photorefractive response time measurement in GaAs crystals by phase modulation in two-wave mixing

Shaoping Bian and Jaime Frejlich
Opt. Lett. 19(21) 1702-1704 (1994)

Dynamics of multiple two-wave mixing and fanning in photorefractive materials

Michael Snowbell, Moshe Horowitz, and Baruch Fischer
J. Opt. Soc. Am. B 11(10) 1972-1982 (1994)

Beam cleanup using photorefractive two-wave mixing

A. E. T. Chiou and Pochi Yeh
Opt. Lett. 10(12) 621-623 (1985)