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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 2 — Jan. 18, 2010
  • pp: 1389–1397

Transformation of electromagnetically induced transparency into enhanced absorption with a standing-wave coupling field in an Rb vapor cell

In-Ho Bae, Han Seb Moon, Min-Koeung Kim, Lim Lee, and Jung Bog Kim  »View Author Affiliations


Optics Express, Vol. 18, Issue 2, pp. 1389-1397 (2010)
http://dx.doi.org/10.1364/OE.18.001389


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Abstract

We present the transformation of electromagnetically induced transparency (EIT) into narrow enhanced absorption with an on-resonant standing-wave coupling field in the 5S1/2-5P1/2 transition of the Λ-type system of 87Rb atoms. When a coupling laser field was changed from a travelling-wave to a standing-wave that was made by adding a counter-propagating LC laser, the transmittance spectrum of the LP laser transformed the typical EIT into dramatically enhanced absorption, and a Bragg reflection signal was generated by the periodic modulation of atomic absorption. The reflected probe laser corresponding to a Bragg reflection was measured to be approximately 11.5% of the power of the incident probe laser. We analyzed the enhanced absorption signal and Bragg reflection spectrum as a function of the power and frequency detuning of the coupling laser.

© 2010 OSA

OCIS Codes
(020.1670) Atomic and molecular physics : Coherent optical effects
(020.2930) Atomic and molecular physics : Hyperfine structure
(270.1670) Quantum optics : Coherent optical effects
(300.6210) Spectroscopy : Spectroscopy, atomic

ToC Category:
Atomic and Molecular Physics

History
Original Manuscript: October 29, 2009
Revised Manuscript: December 11, 2009
Manuscript Accepted: December 29, 2009
Published: January 12, 2010

Citation
In-Ho Bae, Han Seb Moon, Min-Koeung Kim, Lim Lee, and Jung Bog Kim, "Transformation of electromagnetically induced transparency into enhanced absorption with a standing-wave coupling field in an Rb vapor cell," Opt. Express 18, 1389-1397 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-2-1389


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