期刊
OPTICS LETTERS
卷 36, 期 16, 页码 3266-3268出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.36.003266
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资金
- Australian Research Council
- Israel Science Foundation (ISF) [774/09]
We report on the observation of multiple third-harmonic conical waves generated in an annular periodically poled nonlinear photonic crystal. We show that the conical beams are formed as a result of the cascading effect involving two parametric processes that satisfy either the transverse and/or longitudinal phase-patching conditions. This is the first experimental observation of third-harmonic generation based on nonlinear Raman-Nath diffraction. (C) 2011 Optical Society of America
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