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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 13 — Jul. 1, 2006
  • pp: 2027–2029

Gap solitons supported by optical lattices in photorefractive crystals with asymmetric nonlocality

Zhiyong Xu, Yaroslav V. Kartashov, and Lluis Torner  »View Author Affiliations


Optics Letters, Vol. 31, Issue 13, pp. 2027-2029 (2006)
http://dx.doi.org/10.1364/OL.31.002027


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Abstract

We address the impact of the asymmetric nonlocal diffusion nonlinearity of gap solitons supported by photorefractive crystals 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.

© 2006 Optical Society of America

OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(190.4360) Nonlinear optics : Nonlinear optics, devices
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons

ToC Category:
Nonlinear Optics

History
Original Manuscript: January 30, 2006
Revised Manuscript: April 13, 2006
Manuscript Accepted: April 16, 2006

Citation
Zhiyong Xu, Yaroslav V. Kartashov, and Lluis Torner, "Gap solitons supported by optical lattices in photorefractive crystals with asymmetric nonlocality," Opt. Lett. 31, 2027-2029 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-13-2027


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