Precision localization of single atom via spontaneous emission in three dimensions

Precision localization of single atom via spontaneous emission in three dimensions We present a new scheme for high-efficiency three-dimensional (3D) atom localization in a three-level atomic system via spontaneous emission. Owing to the space-dependent atom–field interaction, the position probability distribution of the atom can be directly determined by measuring the spontaneous emission. It is found that, by properly varying the parameters of the system, the probability of finding the atom at a particular position can be almost 100 %. Our scheme opens a promising way to achieve high-precision and high-efficiency 3D atom localization, which provides some potential applications to spatially selective single-qubit phase gate, entangling gates, and quantum error correction for quantum information processing. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Precision localization of single atom via spontaneous emission in three dimensions

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Publisher
Springer US
Copyright
Copyright © 2015 by Springer Science+Business Media New York
Subject
Physics; Quantum Information Technology, Spintronics; Quantum Computing; Data Structures, Cryptology and Information Theory; Quantum Physics; Mathematical Physics
ISSN
1570-0755
eISSN
1573-1332
D.O.I.
10.1007/s11128-015-1094-x
Publisher site
See Article on Publisher Site

Abstract

We present a new scheme for high-efficiency three-dimensional (3D) atom localization in a three-level atomic system via spontaneous emission. Owing to the space-dependent atom–field interaction, the position probability distribution of the atom can be directly determined by measuring the spontaneous emission. It is found that, by properly varying the parameters of the system, the probability of finding the atom at a particular position can be almost 100 %. Our scheme opens a promising way to achieve high-precision and high-efficiency 3D atom localization, which provides some potential applications to spatially selective single-qubit phase gate, entangling gates, and quantum error correction for quantum information processing.

Journal

Quantum Information ProcessingSpringer Journals

Published: Aug 22, 2015

References

  • Laser cooling and trapping of neutral atoms
    Phillips, WD
  • Experimenters produce new Bose–Einstein condensate (s) and possible puzzles for theorists
    Collins, GP
  • Efficient two-dimensional atom localization via phase-sensitive absorption spectrum in a radio-frequency-driven four-level atomic system
    Li, JH; Yu, R; Liu, M; Ding, CL; Yang, XX
  • Two-dimensional sub-half-wavelength atom localization via phase control of absorption and gain
    Wan, RG; Zhang, TY; Kou, J
  • Two-dimensional atom localization via probe-absorption spectrum
    Rahmatullah; Qamar, S

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