Published March 18, 1996
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Nonlinear self-phase matching of optical second harmonic generation in lithium niobate
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Abstract
We show that the nonlinear index perturbation due to light-induced photovoltaic space-charge field in LiNbO3 can give rise to self-phase matching of second harmonic generation. Increase of the conversion efficiency is accompanied by formation of stationary and nonstationary patterns in the spatial structure of the generated second harmonic. The space-charge field can be induced either by the initially non-phase-matched second harmonic or by an external seed.
Additional Information
©1996 American Institute of Physics. (Received 8 November 1995; accepted 22 January 1996) This work is supported by the Advanced Research Project Agency, the Army Research Office, and the National Institute of Standards and Technology.Files
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