Frequency-comb-induced radiative force on cold rubidium atoms

Kregar, G. and Šantić, Neven and Aumiler, Damir and Buljan, Hrvoje and Ban, Ticijana (2014) Frequency-comb-induced radiative force on cold rubidium atoms. Physical Review A, 89 (5). pp. 53421-8. ISSN 1050-2947

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We experimentally investigate the radiative force and laser-induced fluorescence (LIF) in cold rubidium atoms induced by pulse-train (frequency-comb) excitation. Three configurations are studied: (i) single-pulse-train excitation, (ii) two in-phase counterpropagating pulse trains, and (iii) two out-of-phase counterpropagating pulse trains. In all configurations, measured LIF is in agreement with calculations based on the optical Bloch equations. The observed forces in the first two configurations are in qualitative agreement with the model(s) used for calculating mechanical action of a pulse train on atoms; however, this is not the case for the third configuration. Possible resolution of the discrepancy is discussed.

Item Type: Article
Date: May 2014
Subjects: NATURAL SCIENCES > Physics
Additional Information: Copyright (2014) by the American Physical Society.
Divisions: Faculty of Science > Department of Physics
Publisher: American Physical Society
Depositing User: Gordana Stubičan Ladešić
Date Deposited: 02 Jul 2014 13:02
Last Modified: 29 Nov 2017 15:05

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