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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 17 — Sep. 1, 2006
  • pp: 2598–2600

Copropagating superluminal and slow light manifested by electromagnetically assisted nonlinear optical processes

Jiepeng Zhang, Gessler Hernandez, and Yifu Zhu  »View Author Affiliations


Optics Letters, Vol. 31, Issue 17, pp. 2598-2600 (2006)
http://dx.doi.org/10.1364/OL.31.002598


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Abstract

We report an experimental observation of nonlinear optical gain and loss assisted by electromagnetically induced transparency (EIT) and simultaneous superluminal and subluminal light propagations. Two circular components of a linearly polarized light initiate third-order nonlinear processes in which one circular component is attenuated while the other component is amplified in a three-level EIT system. Near the atomic resonance, the attenuated circular component experiences steep normal dispersion and propagates with a slow group velocity, while the amplified circular component experiences steep anomalous dispersion and propagates with a superluminal group velocity.

© 2006 Optical Society of America

OCIS Codes
(020.1670) Atomic and molecular physics : Coherent optical effects
(190.4180) Nonlinear optics : Multiphoton processes
(270.1670) Quantum optics : Coherent optical effects
(270.4180) Quantum optics : Multiphoton processes
(270.5530) Quantum optics : Pulse propagation and temporal solitons

ToC Category:
Nonlinear Optics

History
Original Manuscript: May 1, 2006
Manuscript Accepted: May 31, 2006
Published: August 9, 2006

Citation
Jiepeng Zhang, Gessler Hernandez, and Yifu Zhu, "Copropagating superluminal and slow light manifested by electromagnetically assisted nonlinear optical processes," Opt. Lett. 31, 2598-2600 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-17-2598

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