High coherence photon pair source for quantum communication

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dc.creatorHalder, Matthaeus
dc.creatorBeveratos, Alexios
dc.creatorThew, Rob T
dc.creatorJorel, Corentin
dc.creatorZbinden, Hugo
dc.creatorGisin, Nicolas
dc.date2007-10-05
dc.date.accessioned2026-07-07T09:21:20Z
dc.date.available2026-07-07T09:21:20Z
dc.descriptionThis paper reports a novel single mode source of narrow-band entangled photon pairs at telecom wavelengths under continuous wave excitation, based on parametric down conversion. For only 7 mW of pump power it has a created spectral radiance of 0.08 pairs per coherence length and a bandwidth of 10 pm (1.2 GHz). The effectively emitted spectral brightness reaches 3.9*10^5 pairs /(s pm). Furthermore, when combined with low jitter single photon detectors, such sources allow for the implementation of quantum communication protocols without any active synchronization or path length stabilization. A HOM-Dip with photons from two autonomous CW sources has been realized demonstrating the setup's stability and performance.
dc.description12 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/0710.1143
dc.identifierhttp://arxiv.org/abs/0710.1143
dc.identifierNew J. Phys. 10 (2008) 023027
dc.identifierdoi:10.1088/1367-2630/10/2/023027
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/154989
dc.subjectQuantum Physics
dc.titleHigh coherence photon pair source for quantum communication
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