Detecting and Polarizing Nuclear Spins with Double Resonance on a Single Electron Spin

P. London, J. Scheuer, J.-M. Cai, I. Schwarz, A. Retzker, M. B. Plenio, M. Katagiri, T. Teraji, S. Koizumi, J. Isoya, R. Fischer, L. P. McGuinness, B. Naydenov, and F. Jelezko
Phys. Rev. Lett. 111, 067601 – Published 5 August 2013
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Abstract

We report the detection and polarization of nuclear spins in diamond at room temperature by using a single nitrogen-vacancy (NV) center. We use Hartmann-Hahn double resonance to coherently enhance the signal from a single nuclear spin while decoupling from the noisy spin bath, which otherwise limits the detection sensitivity. As a proof of principle, we (i) observe coherent oscillations between the NV center and a weakly coupled nuclear spin and (ii) demonstrate nuclear-bath cooling, which prolongs the coherence time of the NV sensor by more than a factor of 5. Our results provide a route to nanometer scale magnetic resonance imaging and novel quantum information processing protocols.

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  • Received 10 January 2013

DOI:https://doi.org/10.1103/PhysRevLett.111.067601

© 2013 American Physical Society

Authors & Affiliations

P. London1,*, J. Scheuer2, J.-M. Cai3, I. Schwarz3, A. Retzker4, M. B. Plenio3, M. Katagiri5,6, T. Teraji6, S. Koizumi6, J. Isoya5, R. Fischer1, L. P. McGuinness2, B. Naydenov2, and F. Jelezko2,†

  • 1Department of Physics, Technion, Israel Institute of Technology, Haifa 32000, Israel
  • 2Institut für Quantenoptik, Universitat Ulm, 89073 Ulm, Germany
  • 3Institut für Theoretische Physik, Albert-Einstein Allee 11, Universitat Ulm, 89069 Ulm, Germany
  • 4Racah Institute of Physics, The Hebrew University of Jerusalem, Jerusalem 91904, Israel
  • 5Graduate School of Library, Information and Media Studies, University of Tsukuba, 1-2 Kasuga, Tsukuba, Ibaraki 305-8550, Japan
  • 6National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan

  • *Corresponding author. pazl@tx.technion.ac.il
  • Corresponding author. fedor.jelezko@uni-ulm.de

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Issue

Vol. 111, Iss. 6 — 9 August 2013

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