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Scientific article
Open access
English

Detection-Loophole-Free Test of Quantum Nonlocality, and Applications

Published inPhysical review letters, vol. 111, 130406
Publication date2013
Abstract

We present a source of entangled photons that violates a Bell inequality free of the "fair-sampling" assumption, by over 7 standard deviations. This violation is the first experiment with photons to close the detection loophole, and we demonstrate enough "efficiency" overhead to eventually perform a fully loophole-free test of local realism. The entanglement quality is verified by maximally violating additional Bell tests, testing the upper limit of quantum correlations. Finally, we use the source to generate secure private quantum random numbers at rates over 4 orders of magnitude beyond previous experiments.

Classification
  • arxiv : quant-ph
NoteMain text: 5 pages, 2 figures, 1 table. Supplementary Information: 7 pages, 2 figures
Citation (ISO format)
CHRISTENSEN, B. G. et al. Detection-Loophole-Free Test of Quantum Nonlocality, and Applications. In: Physical review letters, 2013, vol. 111, p. 130406. doi: 10.1103/PhysRevLett.111.130406
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Article (Published version)
accessLevelPublic
Identifiers
ISSN of the journal0031-9007
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492downloads

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