Physical origins of double peak phase matching in GaSe

Yu. M. Andreev; G. V. Lanskii; V. A. Svetlichnyi

doi:10.1117/12.2224701

15 December 2015 Physical origins of double peak phase matching in GaSe

Yu. M. Andreev, G. V. Lanskii, V. A. Svetlichnyi

Proceedings Volume 9810, International Conference on Atomic and Molecular Pulsed Lasers XII; 98101O (2015) https://doi.org/10.1117/12.2224701
Event: XII International Conference on Atomic and Molecular Pulsed Lasers, 2015, Tomsk, Russian Federation

Abstract

Double peak phase matching was recorded during experimental study of parametric frequency converters based on GaSe, its solid solutions crystals like GaSe_1-xSx and ZnGeP₂. Its physical origins are identified as presence of twin, large difference between cut and PM angles, self-heating effect at appropriate conditions, mismatched second (Φ) phase matching angle and microdefects.

Citation Download Citation

Yu. M. Andreev, G. V. Lanskii, and V. A. Svetlichnyi "Physical origins of double peak phase matching in GaSe", Proc. SPIE 9810, International Conference on Atomic and Molecular Pulsed Lasers XII, 98101O (15 December 2015); https://doi.org/10.1117/12.2224701

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