Light storage via coherent population oscillation in a thermal cesium vapor

A. J.F. De Almeida, J. Sales, M. A. Maynard, T. Lauprêtre, F. Bretenaker, D. Felinto, F. Goldfarb, J. W.R. Tabosa

Research output: Contribution to journalArticlepeer-review

Abstract

We report on the storage of light via the phenomenon of coherent population oscillation (CPO) in an atomic cesium vapor at room temperature. In the experiment the optical information of a probe field is stored in the CPO of two ground states of a Λ three-level system formed by the Zeeman sublevels of the hyperfine transition F=3→F′=2 of the cesium D2 line. We show directly that this CPO-based memory is very insensitive to stray magnetic field inhomogeneities and presents a lifetime which is limited mainly by atomic motion. A theoretical simulation of the measured spectra was also developed and is in very good agreement with the experiment.

Original languageEnglish
Article number043803
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume90
Issue number4
DOIs
Publication statusPublished - 2 Oct 2014
Externally publishedYes

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