Amplification of light and atoms in a Bose--Einstein condensate

A Bose-Einstein condensate illuminated by a single off-resonant laser beam (``dressed condensate'') shows a high gain for matter waves and light. We have characterized the optical and atom-optical properties of the dressed condensate by injecting light or atoms, illuminating the key role o...

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Bibliographic Details
Published in:arXiv.org 2000-06
Main Authors: Inouye, S, Loew, R F, Gupta, S, Pfau, T, Gorlitz, A, Gustavson, T L, Pritchard, D E, Ketterle, W
Format: Article
Language:English
Subjects:
Amplification
Condensates
Gratings (spectra)
Group velocity
High gain
Laser beams
Light
Matter waves
Optical properties
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Summary:A Bose-Einstein condensate illuminated by a single off-resonant laser beam (``dressed condensate'') shows a high gain for matter waves and light. We have characterized the optical and atom-optical properties of the dressed condensate by injecting light or atoms, illuminating the key role of long-lived matter wave gratings produced by the condensate at rest and recoiling atoms. The narrow bandwidth for optical gain gave rise to an extremely slow group velocity of an amplified light pulse (1 m/s).
ISSN:2331-8422
DOI:10.48550/arxiv.0006455