We investigate optical spatial solitons in a two-dimensional quasi-phase-matched geometry involving two concurrent noncollinear quadratic processes. The model, formally equivalent to that ruling second-harmonic generation in the presence of a one-dimensional transverse nonlinear grating, supports a class of simultons with a large domain of stability. We also identify a regime where the general equations predict walking solitary waves.
Pasquazi A, & Assanto G (2009). Quadratic solitons in degenerate quasi-phase-matched noncollinear geometry. PHYSICAL REVIEW A, 80(2) [10.1103/PhysRevA.80.021801].
Titolo: | Quadratic solitons in degenerate quasi-phase-matched noncollinear geometry | |
Autori: | ||
Data di pubblicazione: | 2009 | |
Rivista: | ||
Citazione: | Pasquazi A, & Assanto G (2009). Quadratic solitons in degenerate quasi-phase-matched noncollinear geometry. PHYSICAL REVIEW A, 80(2) [10.1103/PhysRevA.80.021801]. | |
Abstract: | We investigate optical spatial solitons in a two-dimensional quasi-phase-matched geometry involving two concurrent noncollinear quadratic processes. The model, formally equivalent to that ruling second-harmonic generation in the presence of a one-dimensional transverse nonlinear grating, supports a class of simultons with a large domain of stability. We also identify a regime where the general equations predict walking solitary waves. | |
Handle: | http://hdl.handle.net/11590/133377 | |
Appare nelle tipologie: | 1.1 Articolo in rivista |
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