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Cerenkov-Type Second-Harmonic Generation in Two-Dimensional Nonlinear Photonic Structures

Saltiel, Solomon; Sheng, Yan; Voloch, Noa; Neshev, Dragomir; Arie, Ady; Koynov, Kaloian; Krolikowski, Wieslaw; Kivshar, Yuri


We study the Cerenkov-type second-harmonic generation in several different two-dimensional nonlinear photonic structures formed in birefringent crystals with the 3m symmetry. Depending on the degree of birefringence, we observe either single or double Cerenkov-like second-harmonic rings. We discuss the properties of these parametrically generated rings and show that their sixfold azimuthal modulation is associated with the hexagonal symmetry of the individual ferroelectric domains.

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: IEEE Journal of Quantum Electronics
DOI: 10.1109/JQE.2009.2030147


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