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Optics Express

Optics Express

  • Editor: Martijn de Sterke
  • Vol. 16, Iss. 20 — Sep. 29, 2008
  • pp: 15870–15879

The double dark resonance in a cold gas of Cs atoms and molecules

ZhiFang Feng, WeiDong Li, LianTuan Xiao, and SuoTang Jia  »View Author Affiliations


Optics Express, Vol. 16, Issue 20, pp. 15870-15879 (2008)
http://dx.doi.org/10.1364/OE.16.015870


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Abstract

We theoretically investigated the properties of the effective four-level stimulated Raman adiabatic passage scheme in a cold gas of Cs atoms and molecules, where exists the tunnelling coupling between two excited molecular states due to the 0-g (6S,6P3/2) double well structure. The double dark resonance is predicted in the absorption spectrum when the tunnelling coupling strength is large enough. The double dark resonance not only reveals the formation of the ultra-cold molecules, but also provides further evidence for the tunnelling as one effective coupling mechanism between the two excited molecular states. The effect of the various experimental conditions on this phenomena has been discussed.

© 2008 Optical Society of America

OCIS Codes
(020.2070) Atomic and molecular physics : Effects of collisions
(270.1670) Quantum optics : Coherent optical effects
(290.5910) Scattering : Scattering, stimulated Raman
(300.1030) Spectroscopy : Absorption

ToC Category:
Quantum Optics

History
Original Manuscript: July 7, 2008
Revised Manuscript: September 4, 2008
Manuscript Accepted: September 4, 2008
Published: September 22, 2008

Citation
ZhiFang Feng, WeiDong Li, LianTuan Xiao, and SuoTang Jia, "The double dark resonance in a cold gas of Cs atoms and molecules," Opt. Express 16, 15870-15879 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-20-15870


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