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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 18 — Sep. 15, 2007
  • pp: 2668–2670

Surface solitons in chirped photonic lattices

Mario I. Molina, Yaroslav V. Kartashov, Lluis Torner, and Yuri S. Kivshar  »View Author Affiliations


Optics Letters, Vol. 32, Issue 18, pp. 2668-2670 (2007)
http://dx.doi.org/10.1364/OL.32.002668


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Abstract

We study surface modes at the edge of a semi-infinite chirped photonic lattice in the framework of an effective discrete nonlinear model. We demonstrate that the lattice chirp can change dramatically the conditions for the mode localization near the surface, and we find numerically the families of discrete surface solitons in this case. Such solitons do not require any minimum power to exist provided the chirp parameter exceeds some critical value. We also analyze how the chirp modifies the interaction of a soliton with the lattice edge.

© 2007 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.4350) Nonlinear optics : Nonlinear optics at surfaces
(190.6135) Nonlinear optics : Spatial solitons

ToC Category:
Nonlinear Optics

History
Original Manuscript: June 25, 2007
Revised Manuscript: August 6, 2007
Manuscript Accepted: August 7, 2007
Published: September 4, 2007

Citation
Mario I. Molina, Yaroslav V. Kartashov, Lluis Torner, and Yuri S. Kivshar, "Surface solitons in chirped photonic lattices," Opt. Lett. 32, 2668-2670 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-18-2668


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References

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