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Opt Lett. 2010 Nov 15;35(22):3760-2. doi: 10.1364/OL.35.003760.

Parametric self-trapping in the presence of randomized quasi phase matching.

Optics letters

Claudio Conti, Elena D'Asaro, Salvatore Stivala, Alessandro Busacca, Gaetano Assanto

Affiliations

  1. CNR-ISC-Institute of Complex Systems, Department of Physics, University Sapienza, 00185 Rome, Italy.

PMID: 21081988 DOI: 10.1364/OL.35.003760

Abstract

We report on experimental evidence of parametric spatial solitons in a quadratic crystal with randomized periodic ferroelectric poling. Two-color self-focusing via quadratic cascading overcomes the diffractive nature of both fundamental and frequency-doubled beams.

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