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

Fischer, Robert; Saltiel, Solomon; Neshev, Dragomir; Dreischuh, Alexander; Krolikowski, Wieslaw; Kivshar, Yuri


We consider the femtosecond phase-matched noncollinear second-harmonic generation (SHG) in Strontium Barium Niobate (SBN) crystals with random ferroelectric 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...[Show more]

CollectionsANU Research Publications
Date published: 2007
Type: Conference paper
Source: Proceedings of 14th International School on Quantum Electronics: Laser Physics and Applications
DOI: 10.1117/12.726985


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