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Characterization of femtosecond pulses via transverse second-harmonic generation in random nonlinear media

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


We study, both experimentally and theoretically, the process of second-harmonic generation by two noncollinear beams in ferroelectric crystals with a disordered distribution of ferroelectric domains. We show that this parametric process results in generation of second-harmonic wave in the direction transverse to the propagation of the fundamental beam. We demonstrate how this effect can be used for the femtosecond pulse characterization enabling the estimation of both width and chirp of the...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: Applied Physics B: Lasers and Optics
DOI: 10.1007/s00340-009-3449-4


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