Nonlinear Sciences – Pattern Formation and Solitons
Scientific paper
2006-04-19
Optics Letters, V.31, 2027 (2006)
Nonlinear Sciences
Pattern Formation and Solitons
14 pages, 4 figures, to appear in Optics Letters
Scientific paper
10.1364/OL.31.002027
We address the impact of asymmetric nonlocal diffusion nonlinearity on the properties of gap solitons supported by photorefractive crystal with an imprinted optical lattice. We reveal how the asymmetric nonlocal response alters the domains of existence and the stability of solitons originating from different gaps. We find that in such media gap solitons cease to exist above a threshold of the nonlocality degree. We discuss how the interplay between nonlocality and lattice strength modifies the gap soliton mobility.
Kartashov Yaroslav V.
Torner Lluis
Xu Zhiyong
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