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Frontiers of Physics

, 13:134208 | Cite as

Three-dimensional atom localization via spontaneous emission in a four-level atom

  • Fei Song
  • Jin-Yu Chen
  • Zhi-Ping Wang
  • Ben-Li Yu
Research article
  • 9 Downloads

Abstract

We investigate high-precision three-dimensional (3D) atom localization in a coherently-driven, fourlevel atomic system via spontaneous emission. Space-dependent atom-field interactions allow atomic position information to be obtained by measuring spontaneous emission. By properly varying system parameters, atoms within a certain range can be localized with nearly a probability of 100% and a maximal resolution of ~ 0.04λ. This scheme may be useful for the high-precision measurement of the center-of-mass wave functions of moving atoms and in atom nanolithography.

Keywords

atom localization spontaneous emission dressed-state picture 

Notes

Acknowledgements

This work was supported by the National Natural Science Foundation of China (Grant No. 11674002) and Doctoral Scientific Research Fund of Anhui University.

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Copyright information

© Higher Education Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Fei Song
    • 1
  • Jin-Yu Chen
    • 1
  • Zhi-Ping Wang
    • 1
  • Ben-Li Yu
    • 1
  1. 1.Key Laboratory of Opto-Electronic Information Acquisition and Manipulation of Ministry of EducationAnhui UniversityHefeiChina

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