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Two-dimensional atom localization via probe-absorption spectrum

Two-dimensional atom localization via probe-absorption spectrum A scheme for two-dimensional (2D) atom localization via probe absorption in a three-level Λ -type atomic system is suggested. The required atom-field configuration is obtained when the atom interacts with a weak probe field and two orthogonal standing-wave fields where each standing-wave field is obtained from the superposition of the two standing-wave fields along the corresponding directions. We study the effect of the probe field detuning and phase shifts associated with the standing-wave fields. Two equally probable position information of the single atom are observed in the conditional position probability distribution. However, a unique position of the single atom in the 2D x y plane is observed for some arbitrary choices of the phases associated with standing-wave fields and by selecting slightly different wavelengths of standing-wave fields. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review A American Physical Society (APS)

Two-dimensional atom localization via probe-absorption spectrum

Physical Review A , Volume 88 (1) – Jul 29, 2013
7 pages

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Publisher
American Physical Society (APS)
Copyright
©2013 American Physical Society
ISSN
1050-2947
DOI
10.1103/PhysRevA.88.013846
Publisher site
See Article on Publisher Site

Abstract

A scheme for two-dimensional (2D) atom localization via probe absorption in a three-level Λ -type atomic system is suggested. The required atom-field configuration is obtained when the atom interacts with a weak probe field and two orthogonal standing-wave fields where each standing-wave field is obtained from the superposition of the two standing-wave fields along the corresponding directions. We study the effect of the probe field detuning and phase shifts associated with the standing-wave fields. Two equally probable position information of the single atom are observed in the conditional position probability distribution. However, a unique position of the single atom in the 2D x y plane is observed for some arbitrary choices of the phases associated with standing-wave fields and by selecting slightly different wavelengths of standing-wave fields.

Journal

Physical Review AAmerican Physical Society (APS)

Published: Jul 29, 2013

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