Frequency doubling in SBN crystals with random ferroelectric domains in the thermal focusing regime

Robert Fischer; Solomon M. Saltiel; Dragomir N. Neshev; Wieslaw Krolikowski; Alexander Dreischuh; Yuri S. Kivshar

doi:10.1117/12.726985

5 March 2007 Frequency doubling in SBN crystals with random ferroelectric domains in the thermal focusing regime

Robert Fischer, Solomon M. Saltiel, Dragomir N. Neshev, Wieslaw Krolikowski, Alexander Dreischuh, Yuri S. Kivshar

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 P_f up to 600 mW. We show that the effect of thermal self-focusing of the fundamental wave occurring at P_f > 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

Citation Download Citation

Robert Fischer, Solomon M. Saltiel, Dragomir N. Neshev, Wieslaw Krolikowski, Alexander Dreischuh, and 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); https://doi.org/10.1117/12.726985

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