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Nonlinearity-mediated digitization and amplification in electromechanical phonon-cavity systems

Author

Listed:
  • Tongqiao Miao

    (National University of Defense Technology)

  • Xin Zhou

    (National University of Defense Technology)

  • Xuezhong Wu

    (National University of Defense Technology
    National University of Defense Technology
    MEMS Engineering Center of Hunan)

  • Qingsong Li

    (National University of Defense Technology)

  • Zhanqiang Hou

    (National University of Defense Technology)

  • Xiaoping Hu

    (National University of Defense Technology)

  • Zenghui Wang

    (University of Electronic Science and Technology of China
    University of Electronic Science and Technology of China)

  • Dingbang Xiao

    (National University of Defense Technology
    National University of Defense Technology
    MEMS Engineering Center of Hunan)

Abstract

Electromechanical phonon-cavity systems are man-made micro-structures, in which vibrational energy can be coherently transferred between different degrees of freedom. In such devices, the energy transfer direction and coupling strength can be parametrically controlled, offering great opportunities for both fundamental studies and practical applications such as phonon manipulation and sensing. However, to date the investigation of such systems has largely been limited to linear vibrations, while their responses in the nonlinear regime remain yet to be explored. Here, we demonstrate nonlinear operation of electromechanical phonon-cavity systems, and show that the resonant response differs drastically from that in the linear regime. We further demonstrate that by controlling the parametric pump, one can achieve nonlinearity-mediated digitization and amplification in the frequency domain, which can be exploited to build high-performance MEMS sensing devices based on phonon-cavity systems. Our findings offer intriguing opportunities for creating frequency-shift-based sensors and transducers.

Suggested Citation

  • Tongqiao Miao & Xin Zhou & Xuezhong Wu & Qingsong Li & Zhanqiang Hou & Xiaoping Hu & Zenghui Wang & Dingbang Xiao, 2022. "Nonlinearity-mediated digitization and amplification in electromechanical phonon-cavity systems," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
  • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-29995-x
    DOI: 10.1038/s41467-022-29995-x
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    References listed on IDEAS

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    1. G. A. Brawley & M. R. Vanner & P. E. Larsen & S. Schmid & A. Boisen & W. P. Bowen, 2016. "Nonlinear optomechanical measurement of mechanical motion," Nature Communications, Nature, vol. 7(1), pages 1-7, April.
    2. Dario Antonio & Damián H. Zanette & Daniel López, 2012. "Frequency stabilization in nonlinear micromechanical oscillators," Nature Communications, Nature, vol. 3(1), pages 1-6, January.
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