5 March 2007 Frequency doubling in SBN crystals with random ferroelectric domains in the thermal focusing regime
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Proceedings Volume 6604, 14th International School on Quantum Electronics: Laser Physics and Applications; 66041F (2007) https://doi.org/10.1117/12.726985
Event: 14th International School on Quantum Electronics: Laser Physics and Applications, 2006, Sunny Beach, Bulgaria
Abstract
We consider the femtosecond phase-matched noncollinear second-harmonic generation (SHG) in Strontium Barium Niobate (SBN) crystals with random ferroelectnc domains. We study both planar and radial second-harmonic (SH) radiation for the average input power Pf up to 600 mW. We show that the effect of thermal self-focusing of the fundamental wave occurring at Pf > 250 mW results in novel effects including the spatial localization of SHG, a change of the SH efficiency slope, and significant spectral broadening of both fundamental and SH beams
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Robert Fischer, Robert Fischer, Solomon M. Saltiel, Solomon M. Saltiel, Dragomir N. Neshev, Dragomir N. Neshev, Wieslaw Krolikowski, Wieslaw Krolikowski, Alexander Dreischuh, Alexander Dreischuh, Yuri S. Kivshar, Yuri S. Kivshar, } "Frequency doubling in SBN crystals with random ferroelectric domains in the thermal focusing regime", Proc. SPIE 6604, 14th International School on Quantum Electronics: Laser Physics and Applications, 66041F (5 March 2007); doi: 10.1117/12.726985; https://doi.org/10.1117/12.726985
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