Two-photon quantum interference and entanglement at 2.1 µm

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dc.identifier.uri http://dx.doi.org/10.15488/10865
dc.identifier.uri https://www.repo.uni-hannover.de/handle/123456789/10947
dc.contributor.author Prabhakar, Shashi
dc.contributor.author Shields, Taylor
dc.contributor.author Dada, Adetunmise C.
dc.contributor.author Ebrahim, Mehdi
dc.contributor.author Taylor, Gregor G.
dc.contributor.author Morozov, Dmitry
dc.contributor.author Erotokritou, Kleanthis
dc.contributor.author Miki, Shigehito
dc.contributor.author Yabuno, Masahiro
dc.contributor.author Terai, Hirotaka
dc.contributor.author Gawith, Corin
dc.contributor.author Kues, Michael
dc.contributor.author Caspani, Lucia
dc.contributor.author Hadfield, Robert H.
dc.contributor.author Clerici, Matteo
dc.date.accessioned 2021-05-03T09:10:21Z
dc.date.available 2021-05-03T09:10:21Z
dc.date.issued 2020
dc.identifier.citation Prabhakar, S.; Shields, T.; Dada, A.C.; Ebrahim, M.; Taylor, G.G. et al.: Two-photon quantum interference and entanglement at 2.1 µm. In: Science Advances 6 (2020), Nr. 13, eaay5195. DOI: https://doi.org/10.1126/sciadv.aay5195
dc.description.abstract Quantum-enhanced optical systems operating within the 2- to 2.5-μm spectral region have the potential to revolutionize emerging applications in communications, sensing, and metrology. However, to date, sources of entangled photons have been realized mainly in the near-infrared 700- to 1550-nm spectral window. Here, using custom-designed lithium niobate crystals for spontaneous parametric down-conversion and tailored superconducting nanowire single-photon detectors, we demonstrate two-photon interference and polarization-entangled photon pairs at 2090 nm. These results open the 2- to 2.5-μm mid-infrared window for the development of optical quantum technologies such as quantum key distribution in next-generation mid-infrared fiber communication systems and future Earth-to-satellite communications. Copyright © 2020 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution License 4.0 (CC BY). eng
dc.language.iso eng
dc.publisher Washington, DC [u.a.] : Assoc.
dc.relation.ispartofseries Science Advances 6 (2020), Nr. 13
dc.rights CC BY 4.0 Unported
dc.rights.uri https://creativecommons.org/licenses/by/4.0/
dc.subject optical system eng
dc.subject photons eng
dc.subject lithium niobate crystals eng
dc.subject nanowire single-photon detectors eng
dc.subject.ddc 500 | Naturwissenschaften ger
dc.title Two-photon quantum interference and entanglement at 2.1 µm
dc.type article
dc.type Text
dc.relation.essn 2375-2548
dc.relation.doi https://doi.org/10.1126/sciadv.aay5195
dc.bibliographicCitation.issue 13
dc.bibliographicCitation.volume 6
dc.bibliographicCitation.firstPage eaay5195
dc.description.version publishedVersion
tib.accessRights frei zug�nglich


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