Entanglement generation via phase-matched processes: different Bell states within the linewidth

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dc.creatorBrida, G.
dc.creatorChekhova, M. V.
dc.creatorGenovese, M.
dc.creatorKrivitsky, L. A.
dc.date2007-02-09
dc.date.accessioned2026-07-07T08:33:00Z
dc.date.available2026-07-07T08:33:00Z
dc.descriptionIt is shown, theoretically and experimentally, that at any type-II spontaneous parametric down-conversion (SPDC) phase matching, the decoherence-free singlet Bell state is always present within the natural bandwidth and can be filtered out by a proper spectral selection. Instead of the frequency selection, one can perform time selection of the two-photon time amplitude at the output of a dispersive fibre. Applications to quantum communication are outlined.
dc.descriptionsubmitted for publication
dc.identifierhttps://arxiv.org/abs/quant-ph/0702090
dc.identifierhttp://arxiv.org/abs/quant-ph/0702090
dc.identifierOptics Express Vol.15, No.16, 10182-10188 (2007)
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/138980
dc.subjectQuantum Physics
dc.titleEntanglement generation via phase-matched processes: different Bell states within the linewidth
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