Gain without inversion on the cesium D-1 line

Year: 1997

Authors: Fort C., Cataliotti F.S., Hansch T.W., Inguscio M., Prevedelli M.

Autors Affiliation: IV FLORENCE, DEPT PHYS, I-50125 FLORENCE, ITALY.

Abstract: We investigated electromagnetically induced transparency (EIT) in a V-type system in cesium at room temperature: a strong coupling laser at 852 nm was locked on the D-2 transition while the transmission of a weak probe at 894 nm has been recorded as the frequency was scanned through the D-1 transition. The addition of an incoherent pump on the D-1 line has allowed for the observation of non-inverted gain. A systematic investigation of the effect for different hyperfine sublevels has been performed as a function of the relevant experimental parameters.

Journal/Review: OPTICS COMMUNICATIONS

Volume: 139 (1-3)      Pages from: 31  to: 34

KeyWords: EIT; AWI; three-level system; cesium
DOI: 10.1016/S0030-4018(97)00094-1

Citations: 41
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