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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 37, Iss. 11 — Jun. 1, 2012
  • pp: 2148–2150

Nonlocality in PT-symmetric waveguide arrays with gain and loss

Andrey A. Sukhorukov, Sergey V. Dmitriev, Sergey V. Suchkov, and Yuri S. Kivshar  »View Author Affiliations


Optics Letters, Vol. 37, Issue 11, pp. 2148-2150 (2012)
http://dx.doi.org/10.1364/OL.37.002148


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Abstract

We demonstrate that light propagation in waveguide arrays that include PT-symmetric structures can exhibit strongly nonlocal sensitivity to topology of the array at fixed other parameters. We consider an array composed of lossless waveguides, that includes a pair of PT-symmetric waveguides with balanced gain and loss, and reveal that PT-symmetry breaking thresholds are different for planar and circular array configurations. These results demonstrate that PT-symmetric structures can offer new regimes for optical beam shaping compared to conservative structures.

© 2012 Optical Society of America

OCIS Codes
(230.7370) Optical devices : Waveguides
(080.6755) Geometric optics : Systems with special symmetry

ToC Category:
Optical Devices

History
Original Manuscript: December 1, 2011
Revised Manuscript: April 18, 2012
Manuscript Accepted: May 7, 2012
Published: June 1, 2012

Citation
Andrey A. Sukhorukov, Sergey V. Dmitriev, Sergey V. Suchkov, and Yuri S. Kivshar, "Nonlocality in PT-symmetric waveguide arrays with gain and loss," Opt. Lett. 37, 2148-2150 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-11-2148


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