Hybrid Long-Distance Entanglement Distribution Protocol

J. B. Brask, I. Rigas, E. S. Polzik, U. L. Andersen, and A. S. Sørensen
Phys. Rev. Lett. 105, 160501 – Published 11 October 2010; Erratum Phys. Rev. Lett. 108, 219901 (2012)

Abstract

We propose a hybrid (continuous-discrete variable) quantum repeater protocol for long-distance entanglement distribution. Starting from states created by single-photon detection, we show how entangled coherent state superpositions can be generated by means of homodyne detection. We show that near-deterministic entanglement swapping with such states is possible using only linear optics and homodyne detectors, and we evaluate the performance of our protocol combining these elements.

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  • Received 6 April 2010

DOI:https://doi.org/10.1103/PhysRevLett.105.160501

© 2010 The American Physical Society

Erratum

Erratum: Hybrid Long-Distance Entanglement Distribution Protocol [Phys. Rev. Lett. 105, 160501 (2010).]

J. B. Brask, I. Rigas, E. S. Polzik, U. L. Andersen, and A. S. Sørensen
Phys. Rev. Lett. 108, 219901 (2012)

Authors & Affiliations

J. B. Brask1, I. Rigas2, E. S. Polzik1, U. L. Andersen3, and A. S. Sørensen1

  • 1QUANTOP, The Niels Bohr Institute, University of Copenhagen, 2100 Copenhagen Ø, Denmark
  • 2Department of Optics, Facultad de Física, Universidad Complutense Madrid, 28040 Madrid, Spain
  • 3Department of Physics, Technical University of Denmark, Building 309, 2800 Lyngby, Denmark

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Issue

Vol. 105, Iss. 16 — 15 October 2010

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