New High-Intensity Source of Polarization-Entangled Photon Pairs

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dc.contributor.authorKwiat, Paul G.
dc.contributor.authorMattle, Klaus
dc.contributor.authorWeinfurter, Harald
dc.contributor.authorZeilinger, Anton
dc.contributor.authorSergienko, A. V.
dc.contributor.authorShih, Yanhua
dc.date.accessioned2025-08-28T16:10:10Z
dc.date.issued1995-12-11
dc.description.abstractWe report on a high-intensity source of polarization-entangled photon pairs with high momentum definition. Type-II noncollinear phase matching in parametric down conversion produces true entanglement: No part of the wave function must be discarded, in contrast to previous schemes. With two-photon fringe visibilities in excess of 97%, we demonstrated a violation of Bell's inequality by over 100 standard deviations in less than 5 min. The new source allowed ready preparation of all four of the EPR-Bell states.
dc.description.sponsorshipThis work was supported by the Austrian Science Foundation (FWF), Project No. S065/02, and by the U.S. National Science Foundation, Grant No. PHY92-13964. One of us (P. G. K.) was supported by FWF Lise Meitner Postdoctoral Fellowship, M0077-PHY.
dc.description.urihttps://link.aps.org/doi/10.1103/PhysRevLett.75.4337
dc.format.extent6 pages
dc.genrejournal articles
dc.identifierdoi:10.13016/m2qmym-k9to
dc.identifier.citationKwiat, Paul G., Klaus Mattle, Harald Weinfurter, Anton Zeilinger, Alexander V. Sergienko, and Yanhua Shih. “New High-Intensity Source of Polarization-Entangled Photon Pairs.” Physical Review Letters 75, no. 24 (1995): 4337–41. https://doi.org/10.1103/PhysRevLett.75.4337.
dc.identifier.urihttps://doi.org/10.1103/PhysRevLett.75.4337
dc.identifier.urihttp://hdl.handle.net/11603/39912
dc.language.isoen
dc.publisherAPS
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Physics Department
dc.relation.ispartofUMBC Faculty Collection
dc.rights©1995 American Physical Society
dc.subjectUMBC Quantum Optics Laboratory
dc.titleNew High-Intensity Source of Polarization-Entangled Photon Pairs
dc.typeText

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