Experimental position-time entanglement with degenerate single photons

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dc.creatorBennett, A. J.
dc.creatorGevaux, D. G.
dc.creatorYuan, Z. L.
dc.creatorShields, A. J.
dc.creatorAtkinson, P.
dc.creatorRitchie, D. A.
dc.date2007-09-06
dc.date2008-02-06
dc.date.accessioned2026-07-07T09:31:25Z
dc.date.available2026-07-07T09:31:25Z
dc.descriptionWe report an experiment in which two-photon interference occurs between degenerate single photons that never meet. The two photons travel in opposite directions through our fibre-optic interferometer and interference occurs when the photons reach two different, spatially separated, 2-by-2 couplers at the same time. We show that this experiment is analogous to the conventional Franson-type entanglement experiment where the photons are entangled in position and time. We measure wavefunction overlaps for the two photons as high as 94 $\pm$ 3%.
dc.descriptionUpdated to published version, new fig. 4., corrected typos
dc.identifierhttps://arxiv.org/abs/0709.0847
dc.identifierhttp://arxiv.org/abs/0709.0847
dc.identifierPhys. Rev. A 77, 023803 (2008)
dc.identifierdoi:10.1103/PhysRevA.77.023803
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/158453
dc.subjectQuantum Physics
dc.subjectOther Condensed Matter
dc.titleExperimental position-time entanglement with degenerate single photons
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