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A single-atom quantum memory

Author

Listed:
  • Holger P. Specht

    (Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Strasse 1
    Present address: Osram Opto Semiconductors GmbH, Leibnizstrasse 4, 93055 Regensburg, Germany.)

  • Christian Nölleke

    (Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Strasse 1)

  • Andreas Reiserer

    (Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Strasse 1)

  • Manuel Uphoff

    (Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Strasse 1)

  • Eden Figueroa

    (Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Strasse 1)

  • Stephan Ritter

    (Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Strasse 1)

  • Gerhard Rempe

    (Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Strasse 1)

Abstract

Single-atom memory Efficient, high-fidelity storage and exchange of quantum information between light and an optical quantum memory is essential for long-distance quantum communication, quantum networking and distributed quantum computing. Stephan Ritter and colleagues demonstrate the most fundamental implementation of such a quantum memory, mapping arbitrary polarization states of light into and out of single atoms trapped inside an optical cavity. The high fidelity (93%) and relatively long qubit coherence time of this atomic memory make it a versatile quantum node, with excellent prospects for applications in optical quantum gates and quantum repeaters.

Suggested Citation

  • Holger P. Specht & Christian Nölleke & Andreas Reiserer & Manuel Uphoff & Eden Figueroa & Stephan Ritter & Gerhard Rempe, 2011. "A single-atom quantum memory," Nature, Nature, vol. 473(7346), pages 190-193, May.
    • Handle: RePEc:nat:nature:v:473:y:2011:i:7346:d:10.1038_nature09997
    DOI: 10.1038/nature09997
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    Cited by:

    1. Dario Lago-Rivera & Jelena V. Rakonjac & Samuele Grandi & Hugues de Riedmatten, 2023. "Long distance multiplexed quantum teleportation from a telecom photon to a solid-state qubit," Nature Communications, Nature, vol. 14(1), pages 1-6, December.

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