X-entanglement of PDC photon pairs

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dc.creatorBrambilla, E.
dc.creatorCaspani, L.
dc.creatorJedrkiewicz, O.
dc.creatorLugiato, L. A.
dc.creatorGatti, A.
dc.date2008-12-18
dc.date.accessioned2026-07-07T12:20:19Z
dc.date.available2026-07-07T12:20:19Z
dc.descriptionWe investigate the spatio-temporal structure of the bi-photon entanglement in parametric down-conversion (PDC) and we demonstrate its non-factorable X-shaped geometry. Such a structure gives access to the ultra-broad bandwidth of PDC, and can be exploited to achieve a bi-photon temporal localization in the femtosecond range. This extreme localization is connected to our ability to resolve the photon positions in the source near-field. The non factorability opens the possibility of tailoring the temporal entanglement by acting on the spatial degrees of freedom of twin photons.
dc.description4 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/0812.3533
dc.identifierhttp://arxiv.org/abs/0812.3533
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/213031
dc.subjectQuantum Physics
dc.titleX-entanglement of PDC photon pairs
dc.typetext

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