Clock synchronization by remote detection of correlated photon pairs

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dc.creatorHo, Caleb
dc.creatorLamas-Linares, Antia
dc.creatorKurtsiefer, Christian
dc.date2009-01-21
dc.date.accessioned2026-07-07T13:15:16Z
dc.date.available2026-07-07T13:15:16Z
dc.descriptionWe present an algorithm to detect the time and frequency difference of independent clocks based on observation of time-correlated photon pairs. This enables remote coincidence identification in entanglement-based quantum key distribution schemes without dedicated coincidence hardware, pulsed sources with a timing structure or very stable reference clocks. We discuss the method for typical operating conditions, and show that the requirement in reference clock accuracy can be relaxed by about 5 orders of magnitude in comparison with previous schemes.
dc.description14 pages, 6 figures
dc.identifierhttps://arxiv.org/abs/0901.3203
dc.identifierhttp://arxiv.org/abs/0901.3203
dc.identifierNew J. Phys. 11, 045011 (2009)
dc.identifierdoi:10.1088/1367-2630/11/4/045011
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/230424
dc.subjectQuantum Physics
dc.titleClock synchronization by remote detection of correlated photon pairs
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