PARAMETRIC SELF-TRAPPING OF OPTICAL BEAMS VIA RANDOM QUASI PHASE MATCHING IN LITHIUM TANTALATE WAVEGUIDE
- Autori: Stivala, S; Busacca, A; D’Asaro, E; Assanto, G; Conti, C
- Anno di pubblicazione: 2011
- Tipologia: Proceedings
- OA Link: http://hdl.handle.net/10447/57905
Abstract
We report on experimental evidence of parametric spatial solitons in a lithium tantalate waveguide with randomized periodic ferroelectric poling. Two-color self-focusing via quadratic cascading overcomes the diffractive nature of both fundamental and frequency-doubled beams.