Surface solitons in chirped photonic lattices

Mario I. Molina; Yaroslav V. Kartashov; Lluis Torner; Yuri S. Kivshar

doi:10.1364/OL.32.002668

Surface solitons in chirped photonic lattices

Mario I. Molina^*, Yaroslav V. Kartashov, Lluis Torner, Yuri S. Kivshar

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

34 Citations (Scopus)

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.

Original language	English
Pages (from-to)	2668-2670
Number of pages	3
Journal	Optics Letters
Volume	32
Issue number	18
DOIs	https://doi.org/10.1364/OL.32.002668
Publication status	Published - 15 Sept 2007

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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.",

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AU - Kartashov, Yaroslav V.

AU - Torner, Lluis

AU - Kivshar, Yuri S.

PY - 2007/9/15

Y1 - 2007/9/15

N2 - 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.

AB - 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.

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DO - 10.1364/OL.32.002668

M3 - Article

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VL - 32

SP - 2668

EP - 2670

JO - Optics Letters

JF - Optics Letters

IS - 18

ER -

Surface solitons in chirped photonic lattices

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