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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 19 — Oct. 1, 2012
  • pp: 4020–4022

Anderson localization in Bragg-guiding arrays with negative defects

Valery E. Lobanov, Yaroslav V. Kartashov, Victor A. Vysloukh, and Lluis Torner  »View Author Affiliations


Optics Letters, Vol. 37, Issue 19, pp. 4020-4022 (2012)
http://dx.doi.org/10.1364/OL.37.004020


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Abstract

We show that Anderson localization is possible in waveguide arrays with periodically spaced defect waveguides having a lower refractive index. Such localization is mediated by Bragg reflection, and it takes place even if diagonal or off-diagonal disorder affects only defect waveguides. For off-diagonal disorder the localization degree of the intensity distributions monotonically grows with increasing disorder. In contrast, under appropriate conditions, increasing diagonal disorder may result in weaker localization.

© 2012 Optical Society of America

OCIS Codes
(130.2790) Integrated optics : Guided waves
(190.5940) Nonlinear optics : Self-action effects
(240.6690) Optics at surfaces : Surface waves

ToC Category:
Nonlinear Optics

History
Original Manuscript: June 25, 2012
Revised Manuscript: August 8, 2012
Manuscript Accepted: August 22, 2012
Published: September 20, 2012

Citation
Valery E. Lobanov, Yaroslav V. Kartashov, Victor A. Vysloukh, and Lluis Torner, "Anderson localization in Bragg-guiding arrays with negative defects," Opt. Lett. 37, 4020-4022 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-19-4020

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