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Multimode interferometry for entangling atoms in quantum networks

Barrett, Thomas D.; Rubenok, Allison; Stuart, Dustin; Barter, Oliver; Holleczek, Annemarie; Dilley, Jerome; Nisbet-Jones, Peter B.R.; Poulios, Konstantinos; Marshall, Graham D.; O’Brien, Jeremy L.; Politi, Alberto; Matthews, Jonathan C.F.; Kuhn, Axel

Authors

Thomas D. Barrett

Allison Rubenok

Dustin Stuart

Oliver Barter

Annemarie Holleczek

Jerome Dilley

Peter B.R. Nisbet-Jones

Konstantinos Poulios

Graham D. Marshall

Jeremy L. O’Brien

Alberto Politi

Jonathan C.F. Matthews

Axel Kuhn



Abstract

© 2019 IOP Publishing Ltd. We bring together a cavity-enhanced light-matter interface with a multimode interferometer (MMI) integrated onto a photonic chip and demonstrate the potential of such hybrid systems to tailor distributed entanglement in a quantum network. The MMI is operated with pairs of narrowband photons produced a priori deterministically from a single 87Rb atom strongly coupled to a high-finesse optical cavity. Non-classical coincidences between photon detection events show no loss of coherence when interfering pairs of these photons through the MMI in comparison to the two-photon visibility directly measured using Hong-Ou-Mandel interference on a beam splitter. This demonstrates the ability of integrated multimode circuits to mediate the entanglement of remote stationary nodes in a quantum network interlinked by photonic qubits.

Journal Article Type Article
Publication Date Feb 20, 2019
Journal Quantum Science and Technology
Electronic ISSN 2058-9565
Publisher IOP Publishing
Peer Reviewed Peer Reviewed
Volume 4
Issue 2
Article Number 025008
APA6 Citation O'Brien, J. L., Barrett, T. D., Rubenok, A., Stuart, D., Barter, O., Holleczek, A., …Kuhn, A. (2019). Multimode interferometry for entangling atoms in quantum networks. Quantum Science and Technology, 4(2), https://doi.org/10.1088/2058-9565/aafaba
DOI https://doi.org/10.1088/2058-9565/aafaba
Keywords Quantum Physics; Atomic Physics; Optics
Publisher URL https://iopscience.iop.org/article/10.1088/2058-9565/aafaba
Additional Information Journal title: Quantum Science and Technology; Article type: paper; Article title: Multimode interferometry for entangling atoms in quantum networks; Copyright information: © 2019 IOP Publishing Ltd; License information: cc-by Original content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.; Date received: 2018-10-19; Date accepted: 2018-12-21; Online publication date: 2019-02-20

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