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Sagnac interferometry based on ultraslow polaritons in cold atomic vapors.
MedLine Citation:
PMID:  15245004     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
The advantages of light and matter-wave Sagnac interferometers--large area on one hand and high rotational sensitivity per unit area on the other--can be combined utilizing ultraslow light in cold atomic gases. While a group-velocity reduction alone does not affect the Sagnac phase shift, the associated momentum transfer from light to atoms generates a coherent matter-wave component which gives rise to a substantially enhanced rotational signal. It is shown that matter-wave sensitivity in a large-area interferometer can be achieved if an optically dense vapor at subrecoil temperatures is used. Already a noticeable enhancement of the Sagnac phase shift is possible, however, with far fewer cooling requirements.
Authors:
F Zimmer; M Fleischhauer
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Publication Detail:
Type:  Journal Article     Date:  2004-06-21
Journal Detail:
Title:  Physical review letters     Volume:  92     ISSN:  0031-9007     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2004 Jun 
Date Detail:
Created Date:  2004-07-12     Completed Date:  2005-03-17     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  253201     Citation Subset:  -    
Affiliation:
Fachbereich Physik der Technischen Universität Kaiserslautern, D-67663 Kaiserslautern, Germany.
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