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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 33, Iss. 1 — Jan. 1, 2008
  • pp: 46–48

Slow light with cavity electromagnetically induced transparency

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

Optics Letters, Vol. 33, Issue 1, pp. 46-48 (2008)

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We report an experimental observation of slow light propagation in cold Rb atoms exhibiting cavity electromagnetically induced transparency (EIT). The steep slope of the atomic dispersion manifested by EIT reduces the light group velocity. The cavity filtering and feedback further contribute to the slowdown and delay of the light pulse propagation. A combination of the cavity and the EIT atomic system significantly improves the performance of the slow light propagation. A propagation time delay of 200 ns was observed in the cavity and Rb EIT system, which is 70 times greater than the time delay calculated for the light pulse propagation through the same Rb EIT system without the cavity.

© 2008 Optical Society of America

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

ToC Category:
Quantum Optics

Original Manuscript: September 6, 2007
Manuscript Accepted: October 17, 2007
Published: December 19, 2007

Jiepeng Zhang, Gessler Hernandez, and Yifu Zhu, "Slow light with cavity electromagnetically induced transparency," Opt. Lett. 33, 46-48 (2008)

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