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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 9 — Apr. 23, 2012
  • pp: 9485–9492

Wall-induced Ramsey effects on electromagnetically induced absorption

Ho-Jung Kim and Han Seb Moon  »View Author Affiliations


Optics Express, Vol. 20, Issue 9, pp. 9485-9492 (2012)
http://dx.doi.org/10.1364/OE.20.009485


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Abstract

The effect of wall-induced Ramsey interference on the electromagnetically induced absorption (EIA) in an anti-relaxation coated vapor cell is studied in a four-level closed N-type atomic system. We show that the atomic coherence spontaneously transferred from the excited states to the ground states may interfere via the Ramsey sequence of the moving atoms with decoherence-free wall collisions. The spectral narrowing of the EIA resonance lineshape is induced by the Ramsey effect because of the long lifetime of the spontaneously transferred atomic coherence between the ground states. This calculated Ramsey EIA spectrum is in good agreement with the narrow EIA spectrum obtained experimentally in the anti-relaxation coated vapor cell.

© 2012 OSA

OCIS Codes
(020.1670) Atomic and molecular physics : Coherent optical effects
(020.3690) Atomic and molecular physics : Line shapes and shifts
(020.4180) Atomic and molecular physics : Multiphoton processes
(300.6210) Spectroscopy : Spectroscopy, atomic

ToC Category:
Atomic and Molecular Physics

History
Original Manuscript: February 22, 2012
Revised Manuscript: March 30, 2012
Manuscript Accepted: April 3, 2012
Published: April 10, 2012

Citation
Ho-Jung Kim and Han Seb Moon, "Wall-induced Ramsey effects on electromagnetically induced absorption," Opt. Express 20, 9485-9492 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-9-9485


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