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.
© 2010 Optical Society of America
Original Manuscript: September 9, 2010
Manuscript Accepted: September 24, 2010
Published: November 4, 2010
Claudio Conti, Elena D’Asaro, Salvatore Stivala, Alessandro Busacca, and Gaetano Assanto, "Parametric self-trapping in the presence of randomized quasi phase matching," Opt. Lett. 35, 3760-3762 (2010)