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Third-harmonic generation via broadband cascading in disordered quadratic nonlinear media

Wang, Wenjie; Roppo, Vito; Kalinowski, Ksawery; Kong, Y; Neshev, Dragomir; Cojocaru, Crina; Trull, Jose; Vilaseca, Ramon; Staliunas, Kestutis; Krolikowski, Wieslaw; Saltiel, Solomon; Kivshar, Yuri


We study parametric frequency conversion in quadratic nonlinear media with disordered ferroelectric domains. We demonstrate that disorder allows realizing broadband third-harmonic generation via cascading of two second-order quasi-phase matched nonlinear processes. 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: 2009-10-20
Type: Journal article
Source: Optics Express
DOI: 10.1364/OE.17.020117


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