Bichromatic beam splitter for three-level atoms

Wong, T., Olsen, M. K., Tan, S. M. and Walls, D. F. (1995) Bichromatic beam splitter for three-level atoms. Physical Review a, 52 3: 2161-2172. doi:10.1103/PhysRevA.52.2161

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Author Wong, T.
Olsen, M. K.
Tan, S. M.
Walls, D. F.
Title Bichromatic beam splitter for three-level atoms
Journal name Physical Review a   Check publisher's open access policy
ISSN 1050-2947
Publication date 1995-09-01
Sub-type Article (original research)
DOI 10.1103/PhysRevA.52.2161
Open Access Status File (Publisher version)
Volume 52
Issue 3
Start page 2161
End page 2172
Total pages 12
Place of publication College Park, MD, United States
Publisher American Physical Society
Language eng
Abstract We investigate schemes for the clean splitting of beams of three-level atoms using two standing-wave laser fields within an optical cavity. The proposed beam splitter is shown to work for atoms in the Λ ladder, and ssV configurations. For appropriate values of Rabi frequencies and detunings, we obtain a triangular type of potential for the atomic states of interest. As well as modeling the coherent evolution of the systems, we have used quantum Monte Carlo wave-function methods to model the effects of spontaneous emission on the resulting diffraction pattern, finding significant differences between the three configurations. We also investigate the limits of the Raman-Nath approximation for our systems, using the symmetric split-operator technique to include the effects of the kinetic term in the Hamiltonian. We also present the results of calculations in which the split output beams are recombined, demonstrating the expected interference for differently prepared input beams. In comparison with two-level beam splitters using a single standing wave, we obtain a superior splitting, while, in comparison with magneto-optical beam splitters, our system possesses the worthwhile practical advantages of experimental simplicity.
Keyword Diffraction
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Mathematics and Physics
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Citation counts: TR Web of Science Citation Count  Cited 11 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 11 times in Scopus Article | Citations
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