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Optical signatures of silicon-vacancy spins in diamond

Author

Listed:
  • Tina Müller

    (Cavendish Laboratory, University of Cambridge)

  • Christian Hepp

    (Fachrichtung 7.2 (Experimentalphysik), Universität des Saarlandes)

  • Benjamin Pingault

    (Cavendish Laboratory, University of Cambridge)

  • Elke Neu

    (Fachrichtung 7.2 (Experimentalphysik), Universität des Saarlandes
    Departement Physik, Universität Basel)

  • Stefan Gsell

    (Experimentalphysik IV, Institut für Physik, Universität Augsburg, Universitätsstrasse 1 Nord)

  • Matthias Schreck

    (Experimentalphysik IV, Institut für Physik, Universität Augsburg, Universitätsstrasse 1 Nord)

  • Hadwig Sternschulte

    (DiaCoating GmbH, Mitterweg 24
    Fakultät für Physik, Technische Universität München)

  • Doris Steinmüller-Nethl

    (DiaCoating GmbH, Mitterweg 24)

  • Christoph Becher

    (Fachrichtung 7.2 (Experimentalphysik), Universität des Saarlandes)

  • Mete Atatüre

    (Cavendish Laboratory, University of Cambridge)

Abstract

Colour centres in diamond have emerged as versatile tools for solid-state quantum technologies ranging from quantum information to metrology, where the nitrogen-vacancy centre is the most studied to date. Recently, this toolbox has expanded to include novel colour centres to realize more efficient spin-photon quantum interfaces. Of these, the silicon-vacancy centre stands out with highly desirable photonic properties. The challenge for utilizing this centre is to realize the hitherto elusive optical access to its electronic spin. Here we report spin-tagged resonance fluorescence from the negatively charged silicon-vacancy centre. Our measurements reveal a spin-state purity approaching unity in the excited state, highlighting the potential of the centre as an efficient spin-photon quantum interface.

Suggested Citation

  • Tina Müller & Christian Hepp & Benjamin Pingault & Elke Neu & Stefan Gsell & Matthias Schreck & Hadwig Sternschulte & Doris Steinmüller-Nethl & Christoph Becher & Mete Atatüre, 2014. "Optical signatures of silicon-vacancy spins in diamond," Nature Communications, Nature, vol. 5(1), pages 1-7, May.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms4328
    DOI: 10.1038/ncomms4328
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    Cited by:

    1. Tongtong Zhang & Lingzhi Wang & Jing Wang & Zhongqiang Wang & Madhav Gupta & Xuyun Guo & Ye Zhu & Yau Chuen Yiu & Tony K. C. Hui & Yan Zhou & Can Li & Dangyuan Lei & Kwai Hei Li & Xinqiang Wang & Qi W, 2023. "Multimodal dynamic and unclonable anti-counterfeiting using robust diamond microparticles on heterogeneous substrate," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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