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Title: Interfacing light and single atoms with a lens
Authors: Tey, M.K. 
Maslennikov, G. 
Liew, T.C.H. 
Aljunid, S.A. 
Huber, F.
Chng, B. 
Chen, Z.
Scarani, V. 
Kurtsiefer, C. 
Issue Date: 7-Apr-2009
Citation: Tey, M.K., Maslennikov, G., Liew, T.C.H., Aljunid, S.A., Huber, F., Chng, B., Chen, Z., Scarani, V., Kurtsiefer, C. (2009-04-07). Interfacing light and single atoms with a lens. New Journal of Physics 11 : -. ScholarBank@NUS Repository.
Abstract: We characterize the interaction between a single atom or similar microscopic system and a light field via the scattering ratio. For this, we first derive the electrical field in a strongly focused Gaussian light beam, and then consider the atomic response. Following the simple scattering model, the fraction of scattered optical power for a weak coherent probe field leads to unphysical scattering ratios above 1 in the strong focusing regime. A refined model considering interference between the exciting and scattered field into finitesized detectors or optical fibers is presented, and compared with experimental extinction measurements for various focusing strengths. © IOP Publishing Ltd and Deutsche Physikalische Gesellschaft.
Source Title: New Journal of Physics
ISSN: 13672630
DOI: 10.1088/1367-2630/11/4/043011
Appears in Collections:Staff Publications

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