Spatial rogue waves in photorefractive SBN crystals
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2019Metadata
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Hermann Avigliano, C.
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Spatial rogue waves in photorefractive SBN crystals
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Abstract
We report on the excitation of large-amplitude waves, with a probability of around 1% of total peaks, on a photorefractive SBN crystal by using a simple experimental setup at room temperature. We excite the system using a narrow Gaussian beam and observe different dynamical regimes tailored by the value and time rate of an applied voltage. We identify two main dynamical regimes: a caustic one for energy spreading and a speckling one for peak emergence. Our observations are well described by a two-dimensional Schrödinger model with saturable local nonlinearity.
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URI: https://repositorio.uchile.cl/handle/2250/172614
DOI: 10.1364/OL.44.002807
ISSN: 15394794
01469592
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Optics Letters, Volumen 44, Issue 11, 2019, Pages 2807-2810
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