Properties of entangled photon pairs generated by a CW laser with small coherence time: theory and experiment

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dc.creatorCialdi, Simone
dc.creatorCastelli, Fabrizio
dc.creatorParis, Matteo G. A.
dc.date2008-02-21
dc.date.accessioned2026-07-07T13:04:03Z
dc.date.available2026-07-07T13:04:03Z
dc.descriptionThe generation of entangled photon pairs by parametric down--conversion from solid state CW lasers with small coherence time is theoretically and experimentally analyzed. We consider a compact and low-cost setup based on a two-crystal scheme with Type-I phase matching. We study the effect of the pump coherence time over the entangled state visibility and over the violation of Bell's inequality, as a function of the crystals length. The full density matrix is reconstructed by quantum tomography. The proposed theoretical model is verified using a purification protocol based on a compensation crystal.
dc.description10 pages, 11 figures
dc.identifierhttps://arxiv.org/abs/0802.3131
dc.identifierhttp://arxiv.org/abs/0802.3131
dc.identifierJournal of Modern Optics vol. 56, Issue 2 & 3, pages 215 (2009)
dc.identifierdoi:10.1080/09500340802187332
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/227022
dc.subjectQuantum Physics
dc.titleProperties of entangled photon pairs generated by a CW laser with small coherence time: theory and experiment
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