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High-resolution vector microwave magnetometry based on solid-state spins in diamond

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  • Pengfei Wang

    (University of Science and Technology of China
    Synergetic Innovation Centre of Quantum Information and Quantum Physics, University of Science and Technology of China)

  • Zhenheng Yuan

    (University of Science and Technology of China)

  • Pu Huang

    (University of Science and Technology of China
    Synergetic Innovation Centre of Quantum Information and Quantum Physics, University of Science and Technology of China)

  • Xing Rong

    (University of Science and Technology of China
    Synergetic Innovation Centre of Quantum Information and Quantum Physics, University of Science and Technology of China)

  • Mengqi Wang

    (University of Science and Technology of China
    Synergetic Innovation Centre of Quantum Information and Quantum Physics, University of Science and Technology of China)

  • Xiangkun Xu

    (University of Science and Technology of China
    Synergetic Innovation Centre of Quantum Information and Quantum Physics, University of Science and Technology of China)

  • Changkui Duan

    (University of Science and Technology of China
    Synergetic Innovation Centre of Quantum Information and Quantum Physics, University of Science and Technology of China)

  • Chenyong Ju

    (University of Science and Technology of China
    Synergetic Innovation Centre of Quantum Information and Quantum Physics, University of Science and Technology of China)

  • Fazhan Shi

    (University of Science and Technology of China
    Synergetic Innovation Centre of Quantum Information and Quantum Physics, University of Science and Technology of China)

  • Jiangfeng Du

    (University of Science and Technology of China
    Synergetic Innovation Centre of Quantum Information and Quantum Physics, University of Science and Technology of China)

Abstract

The measurement of the microwave field is crucial for many developments in microwave technology and related applications. However, measuring microwave fields with high sensitivity and spatial resolution under ambient conditions remains elusive. In this work, we propose and experimentally demonstrate a scheme to measure both the strength and orientation of the microwave magnetic field by utilizing the quantum coherent dynamics of nitrogen vacancy centres in diamond. An angular resolution of 5.7 mrad and a sensitivity of 1.0 μT Hz−1/2 are achieved at a microwave frequency of 2.6000 GHz, and the microwave magnetic field vectors generated by a copper wire are precisely reconstructed. The solid-state microwave magnetometry with high resolution and wide frequency range that can work under ambient conditions proposed here enables unique potential applications over other state-of-art microwave magnetometry.

Suggested Citation

  • Pengfei Wang & Zhenheng Yuan & Pu Huang & Xing Rong & Mengqi Wang & Xiangkun Xu & Changkui Duan & Chenyong Ju & Fazhan Shi & Jiangfeng Du, 2015. "High-resolution vector microwave magnetometry based on solid-state spins in diamond," Nature Communications, Nature, vol. 6(1), pages 1-5, May.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms7631
    DOI: 10.1038/ncomms7631
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    Cited by:

    1. Chen Zhang & Durga Dasari & Matthias Widmann & Jonas Meinel & Vadim Vorobyov & Polina Kapitanova & Elizaveta Nenasheva & Kazuo Nakamura & Hitoshi Sumiya & Shinobu Onoda & Junichi Isoya & Jörg Wrachtru, 2022. "Quantum-assisted distortion-free audio signal sensing," Nature Communications, Nature, vol. 13(1), pages 1-10, December.

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