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Circuit cavity electromechanics in the strong-coupling regime

Author

Listed:
  • J. D. Teufel

    (National Institute of Standards and Technology, 325 Broadway)

  • Dale Li

    (National Institute of Standards and Technology, 325 Broadway)

  • M. S. Allman

    (National Institute of Standards and Technology, 325 Broadway)

  • K. Cicak

    (National Institute of Standards and Technology, 325 Broadway)

  • A. J. Sirois

    (National Institute of Standards and Technology, 325 Broadway)

  • J. D. Whittaker

    (National Institute of Standards and Technology, 325 Broadway)

  • R. W. Simmonds

    (National Institute of Standards and Technology, 325 Broadway)

Abstract

Quantum states with a prolonged life The drive towards observing quantum effects in macroscopic mechanical systems could lead to new insights in quantum-limited measurements and help to test fundamental questions regarding the impossible consequences of quantum physics at a macroscopic scale. To obtain sufficiently long-lived mechanical states, the usual approach is to couple a mechanical oscillator to an electromagnetic resonance in a cavity. Teufel et al. present a new design for such a system in which a free-standing flexible aluminium membrane (like a drum) is incorporated in a cavity defined by a superconducting circuit, and which demonstrates a coupling strength that is two orders of magnitude higher than that achieved before. The approach shows the way to observing long-lived quantum states that could survive for hundreds of microseconds.

Suggested Citation

  • J. D. Teufel & Dale Li & M. S. Allman & K. Cicak & A. J. Sirois & J. D. Whittaker & R. W. Simmonds, 2011. "Circuit cavity electromechanics in the strong-coupling regime," Nature, Nature, vol. 471(7337), pages 204-208, March.
    • Handle: RePEc:nat:nature:v:471:y:2011:i:7337:d:10.1038_nature09898
    DOI: 10.1038/nature09898
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    Cited by:

    1. Alexander Sergeevich Kuznetsov & Klaus Biermann & Andres Alejandro Reynoso & Alejandro Fainstein & Paulo Ventura Santos, 2023. "Microcavity phonoritons – a coherent optical-to-microwave interface," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    2. Cheng Wang & Louise Banniard & Kjetil Børkje & Francesco Massel & Laure Mercier de Lépinay & Mika A. Sillanpää, 2024. "Ground-state cooling of a mechanical oscillator by a noisy environment," Nature Communications, Nature, vol. 15(1), pages 1-12, December.

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