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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 35, Iss. 17 — Sep. 1, 2010
  • pp: 2928–2930

Defect modes in defective parity-time symmetric periodic complex potentials

Keya Zhou, Zhongyi Guo, Jicheng Wang, and Shutian Liu  »View Author Affiliations


Optics Letters, Vol. 35, Issue 17, pp. 2928-2930 (2010)
http://dx.doi.org/10.1364/OL.35.002928


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Abstract

Defect modes are studied in parity-time (PT) symmetric periodic complex potentials for both positive and negative defects. Such new kinds of linear localized modes may conserve their energy or endure gain or loss upon propagating. The existence domain of the conserved modes would be prolonged by positive defects or shortened by negative defects, and the dissipative modes would appear before the phase transition point of the PT symmetric potential at stronger negative defects.

© 2010 Optical Society of America

OCIS Codes
(190.4420) Nonlinear optics : Nonlinear optics, transverse effects in
(190.6135) Nonlinear optics : Spatial solitons

ToC Category:
Nonlinear Optics

History
Original Manuscript: April 9, 2010
Revised Manuscript: July 20, 2010
Manuscript Accepted: August 3, 2010
Published: August 25, 2010

Citation
Keya Zhou, Zhongyi Guo, Jicheng Wang, and Shutian Liu, "Defect modes in defective parity-time symmetric periodic complex potentials," Opt. Lett. 35, 2928-2930 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-17-2928


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