Characterization of femtosecond pulses via transverse second-harmonic generation in random nonlinear media
Date
2009
Authors
Trull, Jose
Saltiel, Solomon
Roppo, Vito
Cojocaru, Crina
Dumay, David
Neshev, Dragomir
Vilaseca, Ramon
Staliunas, Kestutis
Krolikowski, Wieslaw
Kivshar, Yuri
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Volume Title
Publisher
Springer
Abstract
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 pulse.
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Keywords: Disordered distribution; Femtosecond pulse; Ferroelectric crystal; Ferroelectric domains; Non-linear media; Noncollinear; Parametric process; Second harmonic generation; Second harmonic waves; Electromagnetic pulse; Ferroelectric materials; Ferroelectrici
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Source
Applied Physics B: Lasers and Optics
Type
Journal article
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2037-12-31
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