Tunable frequency shift of photorefractive oscillators
Open Access
- 1 March 1986
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 11 (3), 165-167
- https://doi.org/10.1364/ol.11.000165
Abstract
We report on an experimental study of the self-frequency detuning in wave mixing oscillators with the photorefractive barium titanate crystal. We show its dependence on a dc electric field on the crystal, optical phases in the oscillator cavity, and light intensity in the crystal. This resolves many aspects of previously observed and unexplained self-frequency detuning effects with similar oscillators and indicates the existence of an internal electric field in the mixing crystal.Keywords
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