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  • Vol. 28, Iss. 10 — May. 15, 2003
  • pp: 834–836

Interactions of discrete solitons with structural defects

R. Morandotti, H. S. Eisenberg, D. Mandelik, Y. Silberberg, D. Modotto, M. Sorel, C. R. Stanley, and J. S. Aitchison  »View Author Affiliations


Optics Letters, Vol. 28, Issue 10, pp. 834-836 (2003)
http://dx.doi.org/10.1364/OL.28.000834


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Abstract

We investigated the interaction of discrete solitons with defect states fabricated in arrays of coupled waveguides. We achieved attractive and repulsive defects by decreasing and increasing, respectively, the spacing of one pair of waveguides in an otherwise uniform array. Linear and nonlinear propagation in the same samples show distinctly different properties. The role of the Peierls–Nabarro potential in the interaction of the soliton with the defect is discussed.

© 2003 Optical Society of America

OCIS Codes
(190.3270) Nonlinear optics : Kerr effect
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons
(230.7380) Optical devices : Waveguides, channeled

Citation
R. Morandotti, H. S. Eisenberg, D. Mandelik, Y. Silberberg, D. Modotto, M. Sorel, C. R. Stanley, and J. S. Aitchison, "Interactions of discrete solitons with structural defects," Opt. Lett. 28, 834-836 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-10-834


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