We present a theory of the frequency-detuning properties of various oscillators formed by four-wave mixing in photorefractive crystals. It is shown that the detuning originates from the self-induced grating dynamics in the mixing crystal, governed by phase conditions of the optical paths and several other parameters, such as external and internal electric fields in the mixing crystal.
© 1986 Optical Society of America
Original Manuscript: August 14, 1985
Manuscript Accepted: January 27, 1986
Published: April 1, 1986
Baruch Fischer, "Theory of self-frequency detuning of oscillations by wave mixing in photorefractive crystals," Opt. Lett. 11, 236-238 (1986)