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Passively stable di...
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Wengerowsky, SoerenAustrian Acad Sci, Inst Quantum Opt & Quantum Informat Vienna IQOQI, Boltzmanngasse 3, A-1090 Vienna, Austria.;Vienna Ctr Quantum Sci & Technol VCQ, Boltzmanngasse 3, A-1090 Vienna, Austria.
(författare)
Passively stable distribution of polarisation entanglement over 192 km of deployed optical fibre
- Artikel/kapitelEngelska2020
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2020-01-10
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NATURE PUBLISHING GROUP,2020
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printrdacarrier
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LIBRIS-ID:oai:DiVA.org:kth-267751
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-267751URI
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https://doi.org/10.1038/s41534-019-0238-8DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
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QC 20200217
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Quantum key distribution (QKD) based on entangled photon pairs holds the potential for repeater-based quantum networks connecting clients over long distance. We demonstrate long-distance entanglement distribution by means of polarisation-entangled photon pairs through two successive deployed 96 km-long telecommunications fibres in the same submarine cable. One photon of each pair was detected directly after the source, while the other travelled the fibre cable in both directions for a total distance of 192 km and attenuation of 48 dB. The observed two-photon Bell state exhibited a fidelity 85 +/- 2% and was stable over several hours. We employed neither active stabilisation of the quantum state nor chromatic dispersion compensation for the fibre.
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Biuppslag (personer, institutioner, konferenser, titlar ...)
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Joshi, Siddarth KoduruUniv Bristol, HH Wills Phys Lab, Quantum Engn Technol Labs, Merchant Venturers Bldg,Woodland Rd, Bristol BS8 1UB, Avon, England.;Univ Bristol, Dept Elect & Elect Engn, Merchant Venturers Bldg,Woodland Rd, Bristol BS8 1UB, Avon, England.
(författare)
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Steinlechner, FabianFraunhofer Inst Appl Opt & Precis Engn IOF Jena, Albert Einstein Str 7, D-07745 Jena, Germany.;Friedrich Schiller Univ Jena, Abbe Ctr Photon, Albert Einstein Str 6, D-07745 Jena, Germany.
(författare)
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Zichi, JulienKTH,Tillämpad materialfysik,Kvant- och biofotonik(Swepub:kth)u1d7oy87
(författare)
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Liu, BoAustrian Acad Sci, Inst Quantum Opt & Quantum Informat Vienna IQOQI, Boltzmanngasse 3, A-1090 Vienna, Austria.;Vienna Ctr Quantum Sci & Technol VCQ, Boltzmanngasse 3, A-1090 Vienna, Austria.;NUDT, Coll Adv Interdisciplinary Studies, Changsha 410073, Peoples R China.
(författare)
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Scheidl, ThomasAustrian Acad Sci, Inst Quantum Opt & Quantum Informat Vienna IQOQI, Boltzmanngasse 3, A-1090 Vienna, Austria.;Univ Vienna, Fac Phys, Quantum Opt Quantum Nanophys & Quantum Informat, Boltzmanngasse 5, A-1090 Vienna, Austria.
(författare)
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Dobrovolskiy, Sergiy M.Single Quantum BV, Molengraaffsingel 10, NL-2629 JD Delft, Netherlands.
(författare)
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van der Molen, ReneSingle Quantum BV, Molengraaffsingel 10, NL-2629 JD Delft, Netherlands.
(författare)
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Los, Johannes W. N.Single Quantum BV, Molengraaffsingel 10, NL-2629 JD Delft, Netherlands.
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Zwiller, ValRoyal Inst Technol KTH, Dept Appl Phys, SE-10691 Stockholm, Sweden.;Single Quantum BV, Molengraaffsingel 10, NL-2629 JD Delft, Netherlands.
(författare)
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Versteegh, Marijn A. M.KTH,Tillämpad materialfysik,Kvant- och biofotonik(Swepub:kth)u1dzuo8r
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Mura, AlbertoIst Nazl Ric Metrol INRIM, Str Cacce 91, I-10135 Turin, Italy.
(författare)
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Calonico, DavideIst Nazl Ric Metrol INRIM, Str Cacce 91, I-10135 Turin, Italy.
(författare)
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Inguscio, MassimoEuropean Lab Nonlinear Spect LENS, Via Nello Carrara 1, I-50019 Sesto Fiorentino, Italy.;Campus Biomed Univ Rome, Dept Engn, Via Alvaro del Portillo 21, I-00128 Rome, Italy.;CNR, Piazzale Aldo Moro 7, I-00185 Rome, Italy.
(författare)
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Zeilinger, AntonAustrian Acad Sci, Inst Quantum Opt & Quantum Informat Vienna IQOQI, Boltzmanngasse 3, A-1090 Vienna, Austria.;Univ Vienna, Fac Phys, Quantum Opt Quantum Nanophys & Quantum Informat, Boltzmanngasse 5, A-1090 Vienna, Austria.
(författare)
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Xuereb, AndreUniv Malta, Dept Phys, MSD-2080 Msida, Malta.
(författare)
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Ursin, RupertAustrian Acad Sci, Inst Quantum Opt & Quantum Informat Vienna IQOQI, Boltzmanngasse 3, A-1090 Vienna, Austria.;Vienna Ctr Quantum Sci & Technol VCQ, Boltzmanngasse 3, A-1090 Vienna, Austria.
(författare)
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Austrian Acad Sci, Inst Quantum Opt & Quantum Informat Vienna IQOQI, Boltzmanngasse 3, A-1090 Vienna, Austria.;Vienna Ctr Quantum Sci & Technol VCQ, Boltzmanngasse 3, A-1090 Vienna, Austria.Univ Bristol, HH Wills Phys Lab, Quantum Engn Technol Labs, Merchant Venturers Bldg,Woodland Rd, Bristol BS8 1UB, Avon, England.;Univ Bristol, Dept Elect & Elect Engn, Merchant Venturers Bldg,Woodland Rd, Bristol BS8 1UB, Avon, England.
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Wengerowsky, Soe ...
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Joshi, Siddarth ...
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Steinlechner, Fa ...
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Zichi, Julien
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Liu, Bo
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Scheidl, Thomas
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Dobrovolskiy, Se ...
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van der Molen, R ...
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Los, Johannes W. ...
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Zwiller, Val
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Versteegh, Marij ...
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Mura, Alberto
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Calonico, Davide
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Inguscio, Massim ...
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Zeilinger, Anton
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Xuereb, Andre
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Ursin, Rupert
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