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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Editor: Henry M. Van Driel
  • Vol. 24, Iss. 3 — Mar. 1, 2007
  • pp: 629–635

Slow light propagation in a linear-response three-level atomic vapor

Wenhai Ji, Chunabi Wu, and M. G. Raymer  »View Author Affiliations

JOSA B, Vol. 24, Issue 3, pp. 629-635 (2007)

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We observe pulse delays of up to twenty times the input pulse duration when 200 ps laser pulses pass through a hot Rb 85 vapor cell. The pulse peak travels with a velocity equal to c 20 , and the energy transmission is 5%. For pulses with a linewidth greater than typical features in the atomic dispersion, pulse delay is predicted and observed for all center frequencies near resonance. Pulse advance is never observed. The measurements are in good agreement with a three-level linear-dispersion calculation. We are able to control the amount of delay by using a steady-state laser beam for optical pumping of the ground states prior to sending in the test pulse.

© 2007 Optical Society of America

OCIS Codes
(060.5530) Fiber optics and optical communications : Pulse propagation and temporal solitons
(070.2590) Fourier optics and signal processing : ABCD transforms
(260.2030) Physical optics : Dispersion

ToC Category:
Physical Optics

Original Manuscript: March 16, 2006
Revised Manuscript: July 14, 2006
Manuscript Accepted: October 4, 2006
Published: February 15, 2007

Wenhai Ji, Chunabi Wu, and M. G. Raymer, "Slow light propagation in a linear-response three-level atomic vapor," J. Opt. Soc. Am. B 24, 629-635 (2007)

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