Localization of atomic ensembles via superfluorescence

Mihai Macovei, Jörg Evers, Christoph H. Keitel, and M. Suhail Zubairy
Phys. Rev. A 75, 033801 – Published 2 March 2007

Abstract

The subwavelength localization of an ensemble of atoms concentrated to a small volume in space is investigated. The localization relies on the interaction of the ensemble with a standing wave laser field. The light scattered in the interaction of the standing wave field and the atom ensemble depends on the position of the ensemble relative to the standing wave nodes. This relation can be described by a fluorescence intensity profile, which depends on the standing wave field parameters and the ensemble properties and which is modified due to collective effects in the ensemble of nearby particles. We demonstrate that the intensity profile can be tailored to suit different localization setups. Finally, we apply these results to two localization schemes. First, we show how to localize an ensemble fixed at a certain position in the standing wave field. Second, we discuss localization of an ensemble passing through the standing wave field.

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  • Received 14 November 2006

DOI:https://doi.org/10.1103/PhysRevA.75.033801

©2007 American Physical Society

Authors & Affiliations

Mihai Macovei*, Jörg Evers, and Christoph H. Keitel

  • Max-Planck-Institute for Nuclear Physics, Saupfercheckweg 1, D-69117 Heidelberg, Germany

M. Suhail Zubairy§

  • Institute for Quantum Studies and Department of Physics, Texas A&M University, College Station, Texas 77843, USA; Max-Planck-Institute for Nuclear Physics, Saupfercheckweg 1, D-69117 Heidelberg, Germany; and Texas A&M University at Qatar, Education City, P. O. Box 23874, Doha, Qatar

  • *On leave from Technical University of Moldova and Institute of Applied Physics, Chişinău, Moldova. Electronic address: mihai.macovei@mpi-hd.mpg.de
  • Electronic address: joerg.evers@mpi-hd.mpg.de
  • Electronic address: keitel@mpi-hd.mpg.de
  • §Electronic address: zubairy@physics.tamu.edu

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Issue

Vol. 75, Iss. 3 — March 2007

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