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Optics Letters

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  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 5 — Mar. 1, 2014
  • pp: 1223–1226

Stochastic parity-time-symmetric coupler

V. V. Konotop and D. A. Zezyulin  »View Author Affiliations


Optics Letters, Vol. 39, Issue 5, pp. 1223-1226 (2014)
http://dx.doi.org/10.1364/OL.39.001223


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Abstract

We introduce a stochastic parity-time (PT)-symmetric coupler, which is based on dual-core waveguides with fluctuating parameters, such that the gain and the losses are exactly balanced in average. We consider different parametric regimes that correspond to the broken and unbroken PT symmetry, as well as to the exceptional point of the underlying deterministic system. We demonstrate that in all the cases the statistically averaged intensity of the field grows. This result holds for either linear or nonlinear coupler and is independent on the type of fluctuations.

© 2014 Optical Society of America

OCIS Codes
(030.6600) Coherence and statistical optics : Statistical optics
(130.2790) Integrated optics : Guided waves
(190.0190) Nonlinear optics : Nonlinear optics
(230.7370) Optical devices : Waveguides

ToC Category:
Optical Devices

History
Original Manuscript: December 16, 2013
Manuscript Accepted: January 20, 2014
Published: February 24, 2014

Citation
V. V. Konotop and D. A. Zezyulin, "Stochastic parity-time-symmetric coupler," Opt. Lett. 39, 1223-1226 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-5-1223


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