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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 28, Iss. 5 — May. 1, 2011
  • pp: 1172–1179

Pulse-width-dependent subluminal and superluminal propagation in highly doped erbium fibers

Francisco Arrieta-Yáñez, Eduardo Cabrera-Granado, José M. Ezquerro, Oscar G. Calderón, and Sonia Melle  »View Author Affiliations


JOSA B, Vol. 28, Issue 5, pp. 1172-1179 (2011)
http://dx.doi.org/10.1364/JOSAB.28.001172


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Abstract

We experimentally and theoretically study the propagation of a 1536 nm light pulse superposed on a continuous wave background in a highly doped erbium fiber pumped at 977 nm . We observe a transition from subluminal to superluminal propagation with the pulse bandwidth. Furthermore, an improvement of the pulse delay and pulse distortion when increasing the pulse peak and keeping constant the background power is reported. These results are due to the relation between the pump-broadened transparency hole (induced by the coherent population oscillations) and the competition between gain and absorption along the fiber.

© 2011 Optical Society of America

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.2410) Fiber optics and optical communications : Fibers, erbium
(190.4370) Nonlinear optics : Nonlinear optics, fibers

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: November 15, 2010
Revised Manuscript: March 9, 2011
Manuscript Accepted: March 13, 2011
Published: April 19, 2011

Citation
Francisco Arrieta-Yáñez, Eduardo Cabrera-Granado, José M. Ezquerro, Oscar G. Calderón, and Sonia Melle, "Pulse-width-dependent subluminal and superluminal propagation in highly doped erbium fibers," J. Opt. Soc. Am. B 28, 1172-1179 (2011)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-28-5-1172

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