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Journal of the Korean Physical Society

Partial Storage and Retrieval of a Light Pulse in a Cs Atomic Vapor with $\Lambda$-Type EIT

Min Byung Chae, Fenglin Li, Lim Lee, Jung Bog Kim, Han Seb Moon

Published Apr 14, 2007• 0 citations
Publisher
DOI
10.3938/jkps.50.988

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Partial Storage and Retrieval of a Light Pulse in a Cs Atomic Vapor with Λ\LambdaΛ-Type EIT
We report an experimental demonstration of slowed propagation and storage and retrieval of thermal light using the effect of electromagnetically-induced transparency (EIT) in the Λ-type system of the D1 transition of 85Rb atom. The slowed-propagation of the probe thermal light beam through an EIT medium is observed by measuring the second-order correlation function of the light field using the Hanbury-Brown-Twiss interferometer. We also demonstrate the storage and retrieval of thermal light beam in the EIT medium. The direct measurement of the photon number statistics of the retrieved light field shows that the photon number statistics is preserved during the storage and retrieval process.
We report slowed propagation and storage and retrieval of thermal light in warm rubidium vapor using the effect of electromagnetically induced transparency (EIT). We first demonstrate slowed propagation of the probe thermal light beam through an EIT medium by measuring the second-order correlation function of the light field using the Hanbury-Brown-Twiss interferometer. We also report an experimental study on the effect of the EIT slow-light medium on the temporal coherence of thermal light. Finally, we demonstrate the storage and retrieval of the thermal light beam in the EIT medium. The direct measurement of the photon number statistics of the retrieved light field shows that the photon number statistics are preserved during the storage and retrieval processes.