Third-harmonic generation via nonlinear Raman–Nath diffraction in nonlinear photonic crystal
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Sheng, Yan; Wang, Wenjie; Shiloh, Roy; Roppo, Vito; Arie, Ady; Krolikowski, Wieslaw
Description
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.
Collections | ANU Research Publications |
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Date published: | 2011-08-15 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/101928 |
Source: | Optics Letters |
DOI: | 10.1364/OL.36.003266 |
Access Rights: | Open Access |
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