Two-dimensional atom localization in a four-level tripod system in laser fields
Journal Article
·
· Physical Review. A
- Turku Centre for Quantum Physics, Department of Physics and Astronomy, University of Turku, FIN-20014 Turku (Finland)
- Saint Petersburg State University of Information Technologies, Mechanics and Optics, 197101 St. Petersburg (Russian Federation)
We propose a scheme for two-dimensional (2D) atom localization in a four-level tripod system under an influence of two orthogonal standing-wave fields. Position information of the atom is retained in the atomic internal states by an additional probe field either of a standing or of a running wave. It is shown that the localization factors depend crucially on the atom-field coupling that results in such spatial structures of populations as spikes, craters, and waves. We demonstrate a high-precision localization due to measurement of population in the upper state or in any ground state.
- OSTI ID:
- 21408493
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 3 Vol. 81; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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