Slow light amplification in a non-inverted gain medium

Year: 2005

Authors: Caruso F., Herrera I., Bartalini S., Cataliotti F.S.

Autors Affiliation: Lab. di Informazione Quantistica, Scuola Superiore di Catania, via S. Paolo 73, I-95123 Catania, Italy; LENS, via Nello Carrata 1, I-50019 Sesto Fiorentino (FI), Italy; Dipartimento di Fisica, Università di Catania, via S. Sofia 64, I-95124 Catania, Italy

Abstract: We investigate the propagation of a coherent probe light pulse through a three-level atomic medium (in the A-configuration) in the presence of a pump laser under the conditions for gain without inversion. When the carrier frequency of the probe pulse and the pump laser are in a Raman configuration, we show that it is possible to amplify a slow propagating pulse. We also analyze the regime in which the probe pulse is slightly detuned from resonance where we observe anomalous light propagation.

Journal/Review: EPL

Volume: 69 (6)      Pages from: 938  to: 944

KeyWords: Optical-pulse-propagation; Storage; Vapor
DOI: 10.1209/epl/i2004-10450-8

Citations: 1
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