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dc.contributor.author
Puigibert, Marcel.li G.
dc.contributor.author
Askarani, Mohsen F.
dc.contributor.author
Davidson, Jacob H.
dc.contributor.author
Verma, Varun B.
dc.contributor.author
Shaw, Matthew D.
dc.contributor.author
Nam, Sae W.
dc.contributor.author
Lutz, Thomas
dc.contributor.author
Amaral, Gustavo C.
dc.contributor.author
Oblak, Daniel
dc.contributor.author
Tittel, Wolfgang
dc.date.accessioned
2021-02-05T09:57:23Z
dc.date.available
2021-02-05T04:09:26Z
dc.date.available
2021-02-05T09:57:23Z
dc.date.issued
2020-01-13
dc.identifier.issn
2643-1564
dc.identifier.other
10.1103/PhysRevResearch.2.013039
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/467900
dc.identifier.doi
10.3929/ethz-b-000467900
dc.description.abstract
Entangling quantum systems with different characteristics through the exchange of photons is a prerequisite for building future quantum networks. Proving the presence of entanglement between quantum memories for light working at different wavelengths furthers this goal. Here, we report on a series of experiments with a thulium-doped crystal, serving as a quantum memory for 794-nm photons, an erbium-doped fiber, serving as a quantum memory for telecommunication-wavelength photons at 1535 nm, and a source of photon pairs created via spontaneous parametric down-conversion. Characterizing the photons after re-emission from the two memories, we find nonclassical correlations with a cross-correlation coefficient of g(12)((2)) = 53 +/- 8; entanglement preserving storage with input-output fidelity of F-IO approximate to 93 +/- 2%; and nonlocality featuring a violation of the Clauser-Horne-Shimony-Holt Bell inequality with S = 2.6 +/- 0.2. Our proof-of-principle experiment shows that entanglement persists while propagating through different solid-state quantum memories operating at different wavelengths.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
American Physical Society
en_US
dc.rights.uri
http://creativecommons.org/licenses/by/4.0/
dc.title
Entanglement and nonlocality between disparate solid-state quantum memories mediated by photons
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution 4.0 International
ethz.journal.title
Physical Review Research
ethz.journal.volume
2
en_US
ethz.journal.issue
1
en_US
ethz.journal.abbreviated
Phys. Rev. Res.
ethz.pages.start
013039
en_US
ethz.size
12 p.
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.identifier.wos
ethz.identifier.scopus
ethz.publication.place
College Park, MD
en_US
ethz.publication.status
published
en_US
ethz.date.deposited
2021-02-05T04:09:31Z
ethz.source
WOS
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2021-02-05T09:57:35Z
ethz.rosetta.lastUpdated
2022-03-29T05:05:47Z
ethz.rosetta.versionExported
true
ethz.COinS
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