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Spectroscopic detection and state preparation of a single praseodymium ion in a crystal

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  • T. Utikal

    (Max Planck Institute for the Science of Light
    Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU))

  • E. Eichhammer

    (Max Planck Institute for the Science of Light
    Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU))

  • L. Petersen

    (Laboratory of Physical Chemistry, ETH Zurich
    Present address: OSRAM GmbH, Berliner Allee 65, 86153 Augsburg, Germany)

  • A. Renn

    (Laboratory of Physical Chemistry, ETH Zurich)

  • S. Götzinger

    (Max Planck Institute for the Science of Light
    Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU))

  • V. Sandoghdar

    (Max Planck Institute for the Science of Light
    Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU))

Abstract

The narrow optical transitions and long spin coherence times of rare earth ions in crystals make them desirable for a number of applications ranging from solid-state spectroscopy and laser physics to quantum information processing. However, investigations of these features have not been possible at the single-ion level. Here we show that the combination of cryogenic high-resolution laser spectroscopy with optical microscopy allows one to spectrally select individual praseodymium ions in yttrium orthosilicate. Furthermore, this spectral selectivity makes it possible to resolve neighbouring ions with a spatial precision of the order of 10 nm. In addition to elaborating on the essential experimental steps for achieving this long-sought goal, we demonstrate state preparation and read out of the three ground-state hyperfine levels, which are known to have lifetimes of the order of hundred seconds.

Suggested Citation

  • T. Utikal & E. Eichhammer & L. Petersen & A. Renn & S. Götzinger & V. Sandoghdar, 2014. "Spectroscopic detection and state preparation of a single praseodymium ion in a crystal," Nature Communications, Nature, vol. 5(1), pages 1-8, May.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms4627
    DOI: 10.1038/ncomms4627
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    Cited by:

    1. Nicholas A. Güsken & Ming Fu & Maximilian Zapf & Michael P. Nielsen & Paul Dichtl & Robert Röder & Alex S. Clark & Stefan A. Maier & Carsten Ronning & Rupert F. Oulton, 2023. "Emission enhancement of erbium in a reverse nanofocusing waveguide," Nature Communications, Nature, vol. 14(1), pages 1-10, December.

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