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Optics Letters

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  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 14 — Jul. 15, 2014
  • pp: 4215–4218

Stable localized modes in asymmetric waveguides with gain and loss

Eduard N. Tsoy, Izzat M. Allayarov, and Fatkhulla Kh. Abdullaev  »View Author Affiliations


Optics Letters, Vol. 39, Issue 14, pp. 4215-4218 (2014)
http://dx.doi.org/10.1364/OL.39.004215


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Abstract

It is shown that asymmetric waveguides with gain and loss can support a stable propagation of optical beams. This means that the propagation constants of modes of the corresponding complex optical potential are real. A class of such waveguides is found from a relation between two spectral problems. A particular example of an asymmetric waveguide, described by the hyperbolic functions, is analyzed. The existence and stability of linear modes and of continuous families of nonlinear modes are demonstrated.

© 2014 Optical Society of America

OCIS Codes
(130.2790) Integrated optics : Guided waves
(230.7370) Optical devices : Waveguides
(190.6135) Nonlinear optics : Spatial solitons

ToC Category:
Optical Devices

History
Original Manuscript: March 24, 2014
Revised Manuscript: June 9, 2014
Manuscript Accepted: June 9, 2014
Published: July 11, 2014

Citation
Eduard N. Tsoy, Izzat M. Allayarov, and Fatkhulla Kh. Abdullaev, "Stable localized modes in asymmetric waveguides with gain and loss," Opt. Lett. 39, 4215-4218 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-14-4215


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