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Planar second-harmonic generation with noncollinear pumps in disordered media

Roppo, Vito; Dumay, David; Trull, Jose; Cojocaru, Crina; Saltiel, Solomon; Staliunas, Kestutis; Vilaseca, Ramon; Neshev, Dragomir; Krolikowski, Wieslaw; Kivshar, Yuri


We study experimentally the process of the second harmonic generation by two noncollinear beams in quadratic nonlinear crystals with a disordered structure of ferroelectric domains. We show that the second-harmonic radiation is emitted in the form of two cones as well as in a plane representing the cross-correlation of the two fundamental pulses. We demonstrate the implementation of this parametric process for characterisation of femtosecond pulses, enabling the estimation of pulse width,...[Show more]

CollectionsANU Research Publications
Date published: 2008-08-26
Type: Journal article
Source: Optics Express
DOI: 10.1364/OE.16.014192


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