Beating the standard quantum limit with four-entangled photons

Science

Volumn 316, Issue 5825, 2007, Pages 726-729

  Nagata, Tomohisa ^a   Okamoto, Ryo ^a,b   O'Brien, Jeremy L ^c   Sasaki, Keiji ^a   Takeuchi, Shigeki ^a,b  

^a HOKKAIDO UNIVERSITY   (Japan)

^b JAPAN SCIENCE AND TECHNOLOGY AGENCY   (Japan)

^c UNIVERSITY OF BRISTOL   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

MEASUREMENT METHOD; PRECISION; QUANTUM MECHANICS; THRESHOLD;

ACCELERATION; ACCURACY; ARTICLE; MEASUREMENT; PHOTON; POLARIMETRY; POSITION; PRIORITY JOURNAL; QUANTUM CHEMISTRY; QUANTUM MECHANICS; VISIBILITY;

EID: 34248193756     PISSN: 00368075     EISSN: 10959203     Source Type: Journal    
DOI: 10.1126/science.1138007     Document Type: Article

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33. We thank H. F. Hofmann, K. J. Pregnell, G. J. Pryde, J. G. Rarity, K. J. Resch, and A. G. White for helpful discussions. This work was supported by the Japan Science and Technology Agency (JST), Ministry of Internal affairs and Communication (MIC), Japan Society for the Promotion of Science (JSPS), 21st Century Centers of Excellence program, Special Coordination Funds for Promoting Science and Technology, and the Daiwa Anglo-Japanese Foundation. J.L.O'B. was supported by an Australian Academy of Science-JSPS Fellowship.