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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 10, Iss. 21 — Oct. 21, 2002
  • pp: 1204–1214

Enhanced atom capturing in a high-Q cavity by help of several transverse modes

T. Salzburger, P. Domokos, and H. Ritsch  »View Author Affiliations


Optics Express, Vol. 10, Issue 21, pp. 1204-1214 (2002)
http://dx.doi.org/10.1364/OE.10.001204


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Abstract

We predict a strong enhancement of the capture rate and the friction force for atoms crossing a driven high-Q cavity field if several near degenerate cavity modes are simultaneously coupled to the atom. In contrast to the case of a single TEM00 mode, circular orbits are not stable and damping of the angular and radial motion occurs. Depending on the chosen atom-field detuning the atoms phase lock the cavity modes to create a localized field minimum or maximum at their current positions. This corresponds to a local potential minimum which the atom drags along with its motion. The stimulated photon redistribution between the modes then creates a large friction force. The effect is further enhanced if the atom is directly driven by a coherent field from the side. Several atoms in the field interact via the cavity modes, which leads to a strongly correlated motion.

© 2002 Optical Society of America

OCIS Codes
(020.7010) Atomic and molecular physics : Laser trapping
(140.3320) Lasers and laser optics : Laser cooling
(270.5580) Quantum optics : Quantum electrodynamics

ToC Category:
Research Papers

History
Original Manuscript: August 27, 2002
Revised Manuscript: October 14, 2002
Published: October 21, 2002

Citation
Thomas Salzburger, P. Domokos, and H. Ritsch, "Enhanced atom capturing in a high-Q cavity by help of several transverse modes," Opt. Express 10, 1204-1214 (2002)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-10-21-1204


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References

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