Highly anomalous group velocity of light in ultracold rubidium gases

Year: 2001

Authors: Artoni M., La Rocca G.C., Cataliotti F.S., Bassani F.

Autors Affiliation: FM, European Lab Nonlinear Spect, I-50125 Florence, Italy; Scuola Normale Super Pisa, INFM, I-56126 Pisa, Italy; Univ Salerno, Dipartimento Fis, I-84081 Baronissi, Sa, Italy.

Abstract: Dilute rubidium gases at submicrokelvin temperatures offer the possibility of exceptionally small and negative group velocities. We devise an experimental scheme in which nearly dispersionless and highly superluminal pulse propagation at optical frequencies can be observed. Comparisons with other schemes and potential applications are briefly discussed.

Journal/Review: PHYSICAL REVIEW A

Volume: 63 (2)      Pages from: 23805-1  to: 23805-6

KeyWords: Bose-einstein Condensation; Optical Pulse-propagation; Excitations; Rb-87
DOI: 10.1103/PhysRevA.63.023805

Citations: 21
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