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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 20 — Oct. 15, 2013
  • pp: 4033–4036

Tunable nonlinear parity–time-symmetric defect modes with an atomic cell

Chao Hang, Dmitry A. Zezyulin, Vladimir V. Konotop, and Guoxiang Huang  »View Author Affiliations

Optics Letters, Vol. 38, Issue 20, pp. 4033-4036 (2013)

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We propose a scheme of creating a tunable highly nonlinear defect in a one-dimensional photonic crystal. The defect consists of an atomic cell filled in with two isotopes of three-level atoms. The probe-field refractive index of the defect can be made parity–time (PT) symmetric, which is achieved by proper combination of a control field and of Stark shifts induced by a far-off-resonance field. In the PT-symmetric system, families of stable nonlinear defect modes can be formed by the probe field.

© 2013 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.3270) Nonlinear optics : Kerr effect
(190.6135) Nonlinear optics : Spatial solitons

ToC Category:
Nonlinear Optics

Original Manuscript: July 24, 2013
Manuscript Accepted: September 4, 2013
Published: October 4, 2013

Chao Hang, Dmitry A. Zezyulin, Vladimir V. Konotop, and Guoxiang Huang, "Tunable nonlinear parity–time-symmetric defect modes with an atomic cell," Opt. Lett. 38, 4033-4036 (2013)

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