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Cavity piezo-mechanics for superconducting-nanophotonic quantum interface

Author

Listed:
  • Xu Han

    (Yale University
    Argonne National Laboratory)

  • Wei Fu

    (Yale University)

  • Changchun Zhong

    (Yale University
    Yale University
    University of Chicago)

  • Chang-Ling Zou

    (Yale University)

  • Yuntao Xu

    (Yale University)

  • Ayed Al Sayem

    (Yale University)

  • Mingrui Xu

    (Yale University)

  • Sihao Wang

    (Yale University)

  • Risheng Cheng

    (Yale University)

  • Liang Jiang

    (Yale University
    Yale University
    University of Chicago)

  • Hong X. Tang

    (Yale University
    Yale University)

Abstract

Hybrid quantum systems are essential for the realization of distributed quantum networks. In particular, piezo-mechanics operating at typical superconducting qubit frequencies features low thermal excitations, and offers an appealing platform to bridge superconducting quantum processors and optical telecommunication channels. However, integrating superconducting and optomechanical elements at cryogenic temperatures with sufficiently strong interactions remains a tremendous challenge. Here, we report an integrated superconducting cavity piezo-optomechanical platform where 10 GHz phonons are resonantly coupled with photons in a superconducting cavity and a nanophotonic cavity at the same time. Taking advantage of the large piezo-mechanical cooperativity (Cem ~7) and the enhanced optomechanical coupling boosted by a pulsed optical pump, we demonstrate coherent interactions at cryogenic temperatures via the observation of efficient microwave-optical photon conversion. This hybrid interface makes a substantial step towards quantum communication at large scale, as well as novel explorations in microwave-optical photon entanglement and quantum sensing mediated by gigahertz phonons.

Suggested Citation

  • Xu Han & Wei Fu & Changchun Zhong & Chang-Ling Zou & Yuntao Xu & Ayed Al Sayem & Mingrui Xu & Sihao Wang & Risheng Cheng & Liang Jiang & Hong X. Tang, 2020. "Cavity piezo-mechanics for superconducting-nanophotonic quantum interface," Nature Communications, Nature, vol. 11(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-17053-3
    DOI: 10.1038/s41467-020-17053-3
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    Cited by:

    1. Simon Hönl & Youri Popoff & Daniele Caimi & Alberto Beccari & Tobias J. Kippenberg & Paul Seidler, 2022. "Microwave-to-optical conversion with a gallium phosphide photonic crystal cavity," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    2. I-Tung Chen & Bingzhao Li & Seokhyeong Lee & Srivatsa Chakravarthi & Kai-Mei Fu & Mo Li, 2023. "Optomechanical ring resonator for efficient microwave-optical frequency conversion," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    3. Chiao-Hsuan Wang & Fangxin Li & Liang Jiang, 2022. "Quantum capacities of transducers," Nature Communications, Nature, vol. 13(1), pages 1-9, December.

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