Towards quantum experiments with human eyes as detectors based on cloning via stimulated emission

Sekatski, Pavel, Brunner, Nicolas, Branciard, Cyril, Gisin, Nicolas and Simon, Christoph (2009) Towards quantum experiments with human eyes as detectors based on cloning via stimulated emission. Physical Review Letters, 103 11: 113601.1-113601.4. doi:10.1103/PhysRevLett.103.113601

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Author Sekatski, Pavel
Brunner, Nicolas
Branciard, Cyril
Gisin, Nicolas
Simon, Christoph
Title Towards quantum experiments with human eyes as detectors based on cloning via stimulated emission
Journal name Physical Review Letters   Check publisher's open access policy
ISSN 0031-9007
1079-7114
Publication date 2009-09-09
Sub-type Article (original research)
DOI 10.1103/PhysRevLett.103.113601
Open Access Status File (Publisher version)
Volume 103
Issue 11
Start page 113601.1
End page 113601.4
Total pages 4
Place of publication College Park, MD, United States
Publisher American Physical Society
Language eng
Abstract We show theoretically that a large Bell inequality violation can be obtained with human eyes as detectors, in a "micro-macro" experiment where one photon from an entangled pair is greatly amplified via stimulated emission. The violation is robust under photon loss. This leads to an apparent paradox, which we resolve by noting that the violation proves the existence of entanglement before the amplification. The same is true for the micro-macro experiments performed so far with conventional detectors. However, we also prove that there is genuine micro-macro entanglement even for high loss.
Keyword Bell-inequality violations
Conventional detectors
Human eye
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mathematics and Physics
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Created: Thu, 24 Mar 2011, 07:55:13 EST by Mr Cyril Branciard on behalf of Physics