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Proceedings Paper

Frequency doubling in SBN crystals with random ferroelectric domains in the thermal focusing regime
Author(s): Robert Fischer; Solomon M. Saltiel; Dragomir N. Neshev; Wieslaw Krolikowski; Alexander Dreischuh; Yuri S. Kivshar
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Paper 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

Paper Details

Date Published: 5 March 2007
PDF: 5 pages
Proc. SPIE 6604, 14th International School on Quantum Electronics: Laser Physics and Applications, 66041F (5 March 2007); doi: 10.1117/12.726985
Show Author Affiliations
Robert Fischer, Australian National Univ. (Australia)
Solomon M. Saltiel, Australian National Univ. (Australia)
Univ. of Sofia (Bulgaria)
Dragomir N. Neshev, Australian National Univ. (Australia)
Wieslaw Krolikowski, Australian National Univ. (Australia)
Alexander Dreischuh, Australian National Univ. (Australia)
Univ. of Sofia (Bulgaria)
Yuri S. Kivshar, Australian National Univ. (Australia)


Published in SPIE Proceedings Vol. 6604:
14th International School on Quantum Electronics: Laser Physics and Applications

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