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Čerenkov third-harmonic generation in χ⁽²⁾ nonlinear photonic crystal

Sheng, Yan; Wang, Wenjie; Shiloh, Roy; Roppo, Vito; Kong, Yongfa; Arie, Ady; Krolikowski, Wieslaw


We report on the observation of Čerenkov emission of a third-harmonic frequency in a two-dimensional nonlinear photonic crystal, where the second-order nonlinearity χ⁽²⁾ is spatially modulated by the reversal of ferroelectric domains. We analyze both spatial and polarization properties of the emitted radiation and find the results in agreement with our theoretical predictions.

CollectionsANU Research Publications
Date published: 2011-06-17
Type: Journal article
Source: Applied Physics Letters
DOI: 10.1063/1.3602312


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