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Measurement-based control of a mechanical oscillator at its thermal decoherence rate

Author

Listed:
  • D. J. Wilson

    (Institute of Condensed Matter Physics, École Polytechnique Fédérale de Lausanne (EPFL))

  • V. Sudhir

    (Institute of Condensed Matter Physics, École Polytechnique Fédérale de Lausanne (EPFL))

  • N. Piro

    (Institute of Condensed Matter Physics, École Polytechnique Fédérale de Lausanne (EPFL))

  • R. Schilling

    (Institute of Condensed Matter Physics, École Polytechnique Fédérale de Lausanne (EPFL))

  • A. Ghadimi

    (Institute of Condensed Matter Physics, École Polytechnique Fédérale de Lausanne (EPFL))

  • T. J. Kippenberg

    (Institute of Condensed Matter Physics, École Polytechnique Fédérale de Lausanne (EPFL))

Abstract

A position sensor is demonstrated that is capable of resolving the zero-point motion of a nanomechanical oscillator in the timescale of its thermal decoherence; it achieves an imprecision that is four orders of magnitude below that at the standard quantum limit and is used to feedback-cool the oscillator to a mean photon number of five.

Suggested Citation

  • D. J. Wilson & V. Sudhir & N. Piro & R. Schilling & A. Ghadimi & T. J. Kippenberg, 2015. "Measurement-based control of a mechanical oscillator at its thermal decoherence rate," Nature, Nature, vol. 524(7565), pages 325-329, August.
    • Handle: RePEc:nat:nature:v:524:y:2015:i:7565:d:10.1038_nature14672
    DOI: 10.1038/nature14672
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    Cited by:

    1. Hengjiang Ren & Tirth Shah & Hannes Pfeifer & Christian Brendel & Vittorio Peano & Florian Marquardt & Oskar Painter, 2022. "Topological phonon transport in an optomechanical system," Nature Communications, Nature, vol. 13(1), pages 1-7, December.
    2. Jingkun Guo & Jin Chang & Xiong Yao & Simon Gröblacher, 2023. "Active-feedback quantum control of an integrated low-frequency mechanical resonator," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    3. Antti Vepsäläinen & Roni Winik & Amir H. Karamlou & Jochen Braumüller & Agustin Di Paolo & Youngkyu Sung & Bharath Kannan & Morten Kjaergaard & David K. Kim & Alexander J. Melville & Bethany M. Niedzi, 2022. "Improving qubit coherence using closed-loop feedback," Nature Communications, Nature, vol. 13(1), pages 1-7, December.
    4. Fabrizio Berritta & Torbjørn Rasmussen & Jan A. Krzywda & Joost Heijden & Federico Fedele & Saeed Fallahi & Geoffrey C. Gardner & Michael J. Manfra & Evert Nieuwenburg & Jeroen Danon & Anasua Chatterj, 2024. "Real-time two-axis control of a spin qubit," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    5. Christian Bærentsen & Sergey A. Fedorov & Christoffer Østfeldt & Mikhail V. Balabas & Emil Zeuthen & Eugene S. Polzik, 2024. "Squeezed light from an oscillator measured at the rate of oscillation," Nature Communications, Nature, vol. 15(1), pages 1-7, December.
    6. M. J. Bereyhi & A. Beccari & R. Groth & S. A. Fedorov & A. Arabmoheghi & T. J. Kippenberg & N. J. Engelsen, 2022. "Hierarchical tensile structures with ultralow mechanical dissipation," Nature Communications, Nature, vol. 13(1), pages 1-9, December.

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