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Strong optomechanical coupling at room temperature by coherent scattering

Author

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  • Andrés los Ríos Sommer

    (The Barcelona Institute of Science and Technology)

  • Nadine Meyer

    (The Barcelona Institute of Science and Technology)

  • Romain Quidant

    (The Barcelona Institute of Science and Technology
    ICREA-Institució Catalana de Recerca i Estudis Avançats
    Department of Mechanical and Process Engineering, ETH Zurich)

Abstract

Quantum control of a system requires the manipulation of quantum states faster than any decoherence rate. For mesoscopic systems, this has so far only been reached by few cryogenic systems. An important milestone towards quantum control is the so-called strong coupling regime, which in cavity optomechanics corresponds to an optomechanical coupling strength larger than cavity decay rate and mechanical damping. Here, we demonstrate the strong coupling regime at room temperature between a levitated silica particle and a high finesse optical cavity. Normal mode splitting is achieved by employing coherent scattering, instead of directly driving the cavity. The coupling strength achieved here approaches three times the cavity linewidth, crossing deep into the strong coupling regime. Entering the strong coupling regime is an essential step towards quantum control with mesoscopic objects at room temperature.

Suggested Citation

  • Andrés los Ríos Sommer & Nadine Meyer & Romain Quidant, 2021. "Strong optomechanical coupling at room temperature by coherent scattering," Nature Communications, Nature, vol. 12(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-020-20419-2
    DOI: 10.1038/s41467-020-20419-2
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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.

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