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dc.contributor.authorDhara, P.
dc.contributor.authorLinke, N.M.
dc.contributor.authorWaks, E.
dc.contributor.authorGuha, S.
dc.contributor.authorSeshadreesan, K.P.
dc.date.accessioned2022-04-11T23:17:42Z
dc.date.available2022-04-11T23:17:42Z
dc.date.issued2022
dc.identifier.citationDhara, P., Linke, N. M., Waks, E., Guha, S., & Seshadreesan, K. P. (2022). Multiplexed quantum repeaters based on dual-species trapped-ion systems. Physical Review A.
dc.identifier.issn2469-9926
dc.identifier.doi10.1103/PhysRevA.105.022623
dc.identifier.urihttp://hdl.handle.net/10150/663910
dc.description.abstractTrapped ions form an advanced technology platform for quantum information processing with long qubit coherence times, high-fidelity quantum logic gates, optically active qubits, and a potential to scale up in size while preserving a high level of connectivity between qubits. These traits make them attractive not only for quantum computing, but also for quantum networking. Dedicated, special-purpose trapped-ion processors in conjunction with suitable interconnecting hardware can be used to form quantum repeaters that enable high-rate quantum communications between distant trapped-ion quantum computers in a network. In this regard, hybrid traps with two distinct species of ions, where one ion species can generate ion-photon entanglement that is useful for optically interfacing with the network and the other has long memory lifetimes, useful for qubit storage, have been proposed for entanglement distribution. We consider an architecture for a repeater based on such dual-species trapped-ion systems. We propose and analyze a protocol based on spatial and temporal mode multiplexing for entanglement distribution across a line network of such repeaters. Our protocol offers enhanced rates compared to rates previously reported for such repeaters. We determine the ion resources required at the repeaters to attain the enhanced rates, and the best rates attainable when constraints are placed on the number of repeaters and the number of ions per repeater. Our results bolster the case for near-term trapped-ion systems as quantum repeaters for long distance quantum communications. © 2022 American Physical Society.
dc.language.isoen
dc.publisherAmerican Physical Society
dc.rightsCopyright © 2022 American Physical Society.
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/
dc.titleMultiplexed quantum repeaters based on dual-species trapped-ion systems
dc.typeArticle
dc.typetext
dc.contributor.departmentWyant College of Optical Sciences, University of Arizona
dc.identifier.journalPhysical Review A
dc.description.noteImmediate access
dc.description.collectioninformationThis item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
dc.eprint.versionFinal published version
dc.source.journaltitlePhysical Review A
refterms.dateFOA2022-04-11T23:17:42Z


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