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Proceedings Paper

Electromagnetically induced two-photon transparency in a four-level system of rubidium atom
Author(s): Dong Wang; Jinyue Gao; Jihua Xu; Giuseppe C. La Rocca; F. Bassani
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Paper Abstract

An experimental study of electromagnetically induced two- photon transparency (EITT) in rubidium atomic vapor at room temperature is presented. A four level system is considered, involving the two-photon absorption process 5S1/2 to 8S1/2 via an intermediate state 5P3/2, and the single- photon control process 5P3/2 to 5D5/2. A controlling pump laser beam is employed to coherently couple the 5P3/2 and 5D5/2 states, thus producing two dressed intermediate states, which give rise to destructive interference in the two-photon transition. Fluorescence from 8S1/2 to 5P1/2 is used to monitor the 5S1/2(Fequals3) to 8S1/2(Fequals3) two-photon absorption. An induced two-photon transparency of about 80% has been obtained at resonance; the experimental results are in good agreement with the general theory of Agarwal, when the appropriate spectroscopic parameters are employed.

Paper Details

Date Published: 9 April 2001
PDF: 6 pages
Proc. SPIE 4397, 11th International School on Quantum Electronics: Laser Physics and Applications, (9 April 2001); doi: 10.1117/12.425120
Show Author Affiliations
Dong Wang, Jilin Univ. (China)
Jinyue Gao, Jilin Univ. (China)
Jihua Xu, INFM and Scuola Normale Superiore (Italy)
Giuseppe C. La Rocca, INFM and Scuola Normale Superiore (Italy)
F. Bassani, INFM and Scuola Normale Superiore (Italy)

Published in SPIE Proceedings Vol. 4397:
11th International School on Quantum Electronics: Laser Physics and Applications
Peter A. Atanasov; Stefka Cartaleva, Editor(s)

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