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Coherent energy transfer in coupled nonlinear microelectromechanical resonators

Author

Listed:
  • Hemin Zhang

    (Northwestern Polytechnical University
    University of Cambridge)

  • Haojie Li

    (Northwestern Polytechnical University)

  • Jiangkun Sun

    (University of Cambridge)

  • Samuel Kirkbride

    (University of Cambridge)

  • Geer Teng

    (Northwestern Polytechnical University)

  • Zhenxing Liu

    (Northwestern Polytechnical University)

  • Dongyang Chen

    (University of Cambridge)

  • Madan Parajuli

    (University of Cambridge)

  • Milind Pandit

    (University of Cambridge)

  • Guillermo Sobreviela

    (University of Cambridge)

  • Chun Zhao

    (University of York)

  • Weizheng Yuan

    (Northwestern Polytechnical University)

  • Honglong Chang

    (Northwestern Polytechnical University)

  • Ashwin A. Seshia

    (University of Cambridge
    Powai)

Abstract

Energy decay, describing the leakage of system energy to the environmental bath, is a universal behavior in oscillators. It has been utilized to elucidate energy transfer between vibrational modes of a resonator. In coupled resonators, achieving an ultra-low coupling rate is essential for observing energy interactions between resonators and environmental bath. Here, we observe periodic transient beating phenomenon by analyzing the transient responses of coupled nonlinear resonators with a coupling rate of 9.6 Hz. The energy transfer rate indicating the hybrid energy manipulation is impacted by asymmetry-induced energy localization and enhanced by nonlinearity. Time-resolved eigenstates, characterized by amplitude ratios, are employed as a quantitative tool to uncover the energy transfer and localization in coupled resonators under nonlinear operations. This work opens the possibilities to manipulate energy transfer, to probe energy localization, and to develop high-precision sensors utilizing the energy transfer between coupled nonlinear resonators.

Suggested Citation

  • Hemin Zhang & Haojie Li & Jiangkun Sun & Samuel Kirkbride & Geer Teng & Zhenxing Liu & Dongyang Chen & Madan Parajuli & Milind Pandit & Guillermo Sobreviela & Chun Zhao & Weizheng Yuan & Honglong Chan, 2025. "Coherent energy transfer in coupled nonlinear microelectromechanical resonators," Nature Communications, Nature, vol. 16(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-59292-2
    DOI: 10.1038/s41467-025-59292-2
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