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Ultrasensitive detection of local acoustic vibrations at room temperature by plasmon-enhanced single-molecule fluorescence

Author

Listed:
  • Mingcai Xie

    (Nanjing University)

  • Hanyu Liu

    (Nanjing University)

  • Sushu Wan

    (Nanjing University)

  • Xuxing Lu

    (Nanjing University
    Leiden University)

  • Daocheng Hong

    (Nanjing University)

  • Yu Du

    (Nanjing University)

  • Weiqing Yang

    (Nanjing University)

  • Zhihong Wei

    (Nanjing University)

  • Susu Fang

    (Nanjing University)

  • Chen-Lei Tao

    (Nanjing University)

  • Dan Xu

    (Nanjing University)

  • Boyang Wang

    (Zhengzhou University)

  • Siyu Lu

    (Zhengzhou University)

  • Xue-Jun Wu

    (Nanjing University)

  • Weigao Xu

    (Nanjing University)

  • Michel Orrit

    (Leiden University)

  • Yuxi Tian

    (Nanjing University)

Abstract

Sensitive detection of local acoustic vibrations at the nanometer scale has promising potential applications involving miniaturized devices in many areas, such as geological exploration, military reconnaissance, and ultrasound imaging. However, sensitive detection of weak acoustic signals with high spatial resolution at room temperature has become a major challenge. Here, we report a nanometer-scale system for acoustic detection with a single molecule as a probe based on minute variations of its distance to the surface of a plasmonic gold nanorod. This system can extract the frequency and amplitude of acoustic vibrations with experimental and theoretical sensitivities of 10 pm Hz−1/2 and 10 fm Hz−1/2, respectively. This approach provides a strategy for the optical detection of acoustic waves based on molecular spectroscopy without electromagnetic interference. Moreover, such a small nano-acoustic detector with 40-nm size can be employed to monitor acoustic vibrations or read out the quantum states of nanomechanical devices.

Suggested Citation

  • Mingcai Xie & Hanyu Liu & Sushu Wan & Xuxing Lu & Daocheng Hong & Yu Du & Weiqing Yang & Zhihong Wei & Susu Fang & Chen-Lei Tao & Dan Xu & Boyang Wang & Siyu Lu & Xue-Jun Wu & Weigao Xu & Michel Orrit, 2022. "Ultrasensitive detection of local acoustic vibrations at room temperature by plasmon-enhanced single-molecule fluorescence," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
  • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-30955-8
    DOI: 10.1038/s41467-022-30955-8
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    References listed on IDEAS

    as
    1. Francesco Fogliano & Benjamin Besga & Antoine Reigue & Laure Mercier de Lépinay & Philip Heringlake & Clement Gouriou & Eric Eyraud & Wolfgang Wernsdorfer & Benjamin Pigeau & Olivier Arcizet, 2021. "Ultrasensitive nano-optomechanical force sensor operated at dilution temperatures," Nature Communications, Nature, vol. 12(1), pages 1-8, December.
    2. J. D. Teufel & T. Donner & Dale Li & J. W. Harlow & M. S. Allman & K. Cicak & A. J. Sirois & J. D. Whittaker & K. W. Lehnert & R. W. Simmonds, 2011. "Sideband cooling of micromechanical motion to the quantum ground state," Nature, Nature, vol. 475(7356), pages 359-363, July.
    Full references (including those not matched with items on IDEAS)

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