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Cascaded third harmonic generation in random media

Wang, Wenjie; Roppo, V; Kalinowski, Ksawery; Neshev, Dragomir; Cojocaru, Crina; Trull, Jose; Vilaseca, Ramon; Staliunas, Kestutis; Krolikowski, Wieslaw; Kivshar, Yuri


We study nonlinear frequency generation in media with random ferroelectric domain structure. We show that randomness enables one to realize broadband third harmonic generation via cascading of two second order quasiphase matched nonlinear processes. We investigate spatial and polarization properties of the emitted waves and find them to be in agreement with theoretical predictions.

CollectionsANU Research Publications
Date published: 2010
Type: Conference paper
Source: 2010 Laser Science to Photonic Applications, CLEO/QELS 2010


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