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Multispecies Trapped-Ion Node for Quantum Networking

I. V. Inlek, C. Crocker, M. Lichtman, K. Sosnova, and C. Monroe
Phys. Rev. Lett. 118, 250502 – Published 23 June 2017
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Abstract

Trapped atomic ions are a leading platform for quantum information networks, with long-lived identical qubit memories that can be locally entangled through their Coulomb interaction and remotely entangled through photonic channels. However, performing both local and remote operations in a single node of a quantum network requires extreme isolation between spectator qubit memories and qubits associated with the photonic interface. We achieve this isolation by cotrapping Yb171+ and Ba+138 qubits. We further demonstrate the ingredients of a scalable ion trap network node with two distinct experiments that consist of entangling the mixed species qubit pair through their collective motion and entangling a Ba+138 qubit with an emitted visible photon.

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  • Received 3 February 2017

DOI:https://doi.org/10.1103/PhysRevLett.118.250502

© 2017 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & OpticalQuantum Information, Science & Technology

Authors & Affiliations

I. V. Inlek*, C. Crocker, M. Lichtman, K. Sosnova, and C. Monroe

  • Joint Quantum Institute and Department of Physics, University of Maryland, College Park, Maryland 20742, USA

  • *volkan.inlek@duke.edu Present address: Department of Electrical and Computer Engineering, Duke University, Durham, NC 27708, USA.

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Issue

Vol. 118, Iss. 25 — 23 June 2017

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