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Sub-nanometre control of the coherent interaction between a single molecule and a plasmonic nanocavity

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  • Yao Zhang

    (Hefei National Laboratory for Physical Sciences at the Microscale and Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China
    Materials Physics Center (CSIC-UPV/EHU), Paseo Manuel de Lardizabal 5
    Donostia International Physics Center (DIPC), Paseo Manuel de Lardizabal 4)

  • Qiu-Shi Meng

    (Hefei National Laboratory for Physical Sciences at the Microscale and Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China)

  • Li Zhang

    (Hefei National Laboratory for Physical Sciences at the Microscale and Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China)

  • Yang Luo

    (Hefei National Laboratory for Physical Sciences at the Microscale and Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China)

  • Yun-Jie Yu

    (Hefei National Laboratory for Physical Sciences at the Microscale and Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China)

  • Ben Yang

    (Hefei National Laboratory for Physical Sciences at the Microscale and Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China)

  • Yang Zhang

    (Hefei National Laboratory for Physical Sciences at the Microscale and Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China)

  • Ruben Esteban

    (Donostia International Physics Center (DIPC), Paseo Manuel de Lardizabal 4
    IKERBASQUE, Basque Foundation for Science)

  • Javier Aizpurua

    (Materials Physics Center (CSIC-UPV/EHU), Paseo Manuel de Lardizabal 5
    Donostia International Physics Center (DIPC), Paseo Manuel de Lardizabal 4)

  • Yi Luo

    (Hefei National Laboratory for Physical Sciences at the Microscale and Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China)

  • Jin-Long Yang

    (Hefei National Laboratory for Physical Sciences at the Microscale and Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China)

  • Zhen-Chao Dong

    (Hefei National Laboratory for Physical Sciences at the Microscale and Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China)

  • J G Hou

    (Hefei National Laboratory for Physical Sciences at the Microscale and Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China)

Abstract

The coherent interaction between quantum emitters and photonic modes in cavities underlies many of the current strategies aiming at generating and controlling photonic quantum states. A plasmonic nanocavity provides a powerful solution for reducing the effective mode volumes down to nanometre scale, but spatial control at the atomic scale of the coupling with a single molecular emitter is challenging. Here we demonstrate sub-nanometre spatial control over the coherent coupling between a single molecule and a plasmonic nanocavity in close proximity by monitoring the evolution of Fano lineshapes and photonic Lamb shifts in tunnelling electron-induced luminescence spectra. The evolution of the Fano dips allows the determination of the effective interaction distance of ∼1 nm, coupling strengths reaching ∼15 meV and a giant self-interaction induced photonic Lamb shift of up to ∼3 meV. These results open new pathways to control quantum interference and field–matter interaction at the nanoscale.

Suggested Citation

  • Yao Zhang & Qiu-Shi Meng & Li Zhang & Yang Luo & Yun-Jie Yu & Ben Yang & Yang Zhang & Ruben Esteban & Javier Aizpurua & Yi Luo & Jin-Long Yang & Zhen-Chao Dong & J G Hou, 2017. "Sub-nanometre control of the coherent interaction between a single molecule and a plasmonic nanocavity," Nature Communications, Nature, vol. 8(1), pages 1-7, August.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_ncomms15225
    DOI: 10.1038/ncomms15225
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    Cited by:

    1. Katharina Kaiser & Leonard-Alexander Lieske & Jascha Repp & Leo Gross, 2023. "Charge-state lifetimes of single molecules on few monolayers of NaCl," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    2. Yang Luo & Fan-Fang Kong & Xiao-Jun Tian & Yun-Jie Yu & Shi-Hao Jing & Chao Zhang & Gong Chen & Yang Zhang & Yao Zhang & Xiao-Guang Li & Zhen-Yu Zhang & Zhen-Chao Dong, 2024. "Anomalously bright single-molecule upconversion electroluminescence," Nature Communications, Nature, vol. 15(1), pages 1-8, December.
    3. Kirill Vasilev & Benjamin Doppagne & Tomáš Neuman & Anna Rosławska & Hervé Bulou & Alex Boeglin & Fabrice Scheurer & Guillaume Schull, 2022. "Internal Stark effect of single-molecule fluorescence," Nature Communications, Nature, vol. 13(1), pages 1-8, December.

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