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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 18 — Sep. 15, 2009
  • pp: 2721–2723

Fano resonances in waveguide arrays with saturable nonlinearity

Uta Naether, Daniel E. Rivas, Manuel A. Larenas, Mario I. Molina, and Rodrigo A. Vicencio  »View Author Affiliations

Optics Letters, Vol. 34, Issue 18, pp. 2721-2723 (2009)

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We study a waveguide array with an embedded nonlinear saturable impurity. We solve the impurity problem in closed form and find the nonlinear localized modes. Next, we consider the scattering of a small-amplitude plane wave by a nonlinear impurity mode, and discover regions in parameter space where transmission is fully suppressed. We relate these findings with Fano resonances and propose this setup as a means to control the transport of light across the array.

© 2009 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons
(230.4320) Optical devices : Nonlinear optical devices
(190.6135) Nonlinear optics : Spatial solitons

ToC Category:
Nonlinear Optics

Original Manuscript: May 21, 2009
Revised Manuscript: July 27, 2009
Manuscript Accepted: July 29, 2009
Published: September 4, 2009

Uta Naether, Daniel E. Rivas, Manuel A. Larenas, Mario I. Molina, and Rodrigo A. Vicencio, "Fano resonances in waveguide arrays with saturable nonlinearity," Opt. Lett. 34, 2721-2723 (2009)

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