Document Detail

Vacuum-Induced Transparency.
MedLine Citation:
PMID:  21817017     Owner:  NLM     Status:  Publisher    
Photons are excellent information carriers but normally pass through each other without consequence. Engineered interactions between photons would enable applications from quantum information processing to simulation of condensed matter systems. Using an ensemble of cold atoms strongly coupled to an optical cavity, we demonstrate experimentally that the transmission of light through a medium may be controlled with few photons and even by the electromagnetic vacuum field. The vacuum induces a group delay of 25 ns on the input optical pulse, corresponding to a light velocity of 1600 m/s, and a transparency of 40% that increases to 80% when the resonator is filled with 10 photons. This strongly nonlinear effect provides prospects for advanced quantum devices such as photon-number-state filters.
Haruka Tanji-Suzuki; Wenlan Chen; Renate Landig; Jonathan Simon; Vladan Vuletic
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-8-4
Journal Detail:
Title:  Science (New York, N.Y.)     Volume:  -     ISSN:  1095-9203     ISO Abbreviation:  -     Publication Date:  2011 Aug 
Date Detail:
Created Date:  2011-8-5     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0404511     Medline TA:  Science     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Department of Physics, Harvard University, Cambridge, MA 02138, USA.
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