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.
Conti, C., D’Asaro, E., Stivala, S., Busacca, A., Assanto, G. (2010). Parametric self-trapping in the presence of randomized quasi phase matching. OPTICS LETTERS, 35, 3760-3762.
Parametric self-trapping in the presence of randomized quasi phase matching
STIVALA, Salvatore;BUSACCA, Alessandro;
2010-01-01
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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