Nonlinear tunable parametric luminescence in ZnGeP2 crystals

Yu. M. Andreev; Gopal C. Bhar; Alexander I. Gribenyukov; V. A. Verozubova; K. L. Vodopyanov

doi:10.1117/12.311962

29 June 1998 Nonlinear tunable parametric luminescence in ZnGeP₂ crystals

Yu. M. Andreev, Gopal C. Bhar, Alexander I. Gribenyukov, V. A. Verozubova, K. L. Vodopyanov

Author Affiliations +

Proceedings Volume 3403, International Conference on Atomic and Molecular Pulsed Lasers II; (1998) https://doi.org/10.1117/12.311962
Event: International Conference on Atomic and Molecular Pulsed Lasers, 1997, Tomsk, Russian Federation

Abstract

Infrared tunability of parametric superluminescence is studied in ZnGeP₂. Q-switched and actively mode-locked Er³⁺:YSGG laser (2.79 micrometers ) is used to investigate the temperature tunability. Angular tunable wavelength gap near degeneracy in type II phase matching is partially covered by crystal temperature rise thereby eliminating beam walk-off/displacement unavoidable in angular tuning. The result is explained by changes in crystal phonon absorption, birefringence and refractive indices with rise in temperature.

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Yu. M. Andreev, Gopal C. Bhar, Alexander I. Gribenyukov, V. A. Verozubova, and K. L. Vodopyanov "Nonlinear tunable parametric luminescence in ZnGeP₂ crystals", Proc. SPIE 3403, International Conference on Atomic and Molecular Pulsed Lasers II, (29 June 1998); https://doi.org/10.1117/12.311962

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