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; F. Jelezko

doi:10.1103/PhysRevLett.111.067601

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, F. Jelezko

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

178 Scopus citations

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.

Original language	English
Article number	067601
Journal	Physical Review Letters
Volume	111
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevLett.111.067601
State	Published - 5 Aug 2013

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London, P., Scheuer, J., Cai, J. M., Schwarz, I., Retzker, A., Plenio, M. B., Katagiri, M., Teraji, T., Koizumi, S., Isoya, J., Fischer, R., McGuinness, L. P., Naydenov, B., & Jelezko, F. (2013). Detecting and polarizing nuclear spins with double resonance on a single electron spin. Physical Review Letters, 111(6), Article 067601. https://doi.org/10.1103/PhysRevLett.111.067601

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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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AU - London, P.

AU - Scheuer, J.

AU - Cai, J. M.

AU - Schwarz, I.

AU - Retzker, A.

AU - Plenio, M. B.

AU - Katagiri, M.

AU - Teraji, T.

AU - Koizumi, S.

AU - Isoya, J.

AU - Fischer, R.

AU - McGuinness, L. P.

AU - Naydenov, B.

AU - Jelezko, F.

PY - 2013/8/5

Y1 - 2013/8/5

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AB - 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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Detecting and polarizing nuclear spins with double resonance on a single electron spin

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