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Enhanced Čerenkov second-harmonic emission in nonlinear photonic structures

Kalinowski, K; Roedig, P; Sheng, Y; Ayoub, M; Imbrock, J; Denz, C; Krolikowski, W


We study experimentally and theoretically the Čerenkov-type second-harmonic generation in a one-dimensional nonlinear photonic crystal. We demonstrate that the power of emitted second-harmonic can be enhanced 270 times by varying the angle of incidence of the fundamental beam such that the reciprocal lattice vector of the crystal can be used to compensate for the phase mismatch in the transverse direction enabling interaction in the nonlinear Bragg diffraction regime.

CollectionsANU Research Publications
Date published: 2012-06-01
Type: Journal article
Source: Optics letters
DOI: 10.1364/OL.37.001832


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