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Vacuum Rabi splitting with a single quantum dot in a photonic crystal nanocavity

Author

Listed:
  • T. Yoshie

    (Electrical Engineering, California Institute of Technology)

  • A. Scherer

    (Electrical Engineering, California Institute of Technology)

  • J. Hendrickson

    (The University of Arizona)

  • G. Khitrova

    (The University of Arizona)

  • H. M. Gibbs

    (The University of Arizona)

  • G. Rupper

    (The University of Arizona)

  • C. Ell

    (The University of Arizona)

  • O. B. Shchekin

    (The University of Texas at Austin)

  • D. G. Deppe

    (The University of Texas at Austin)

Abstract

Cavity quantum electrodynamics (QED) systems allow the study of a variety of fundamental quantum-optics phenomena, such as entanglement, quantum decoherence and the quantum–classical boundary1,2,3,4,5,6,7,8,9. Such systems also provide test beds for quantum information science. Nearly all strongly coupled cavity QED experiments have used a single atom in a high-quality-factor (high-Q) cavity. Here we report the experimental realization of a strongly coupled system in the solid state: a single quantum dot embedded in the spacer of a nanocavity, showing vacuum-field Rabi splitting exceeding the decoherence linewidths of both the nanocavity and the quantum dot. This requires a small-volume cavity and an atomic-like two-level system5,10. The photonic crystal11 slab nanocavity—which traps photons when a defect is introduced inside the two-dimensional photonic bandgap by leaving out one or more holes12—has both high Q and small modal volume V, as required for strong light–matter interactions13. The quantum dot has two discrete energy levels with a transition dipole moment much larger than that of an atom14,15,16, and it is fixed in the nanocavity during growth.

Suggested Citation

  • T. Yoshie & A. Scherer & J. Hendrickson & G. Khitrova & H. M. Gibbs & G. Rupper & C. Ell & O. B. Shchekin & D. G. Deppe, 2004. "Vacuum Rabi splitting with a single quantum dot in a photonic crystal nanocavity," Nature, Nature, vol. 432(7014), pages 200-203, November.
    • Handle: RePEc:nat:nature:v:432:y:2004:i:7014:d:10.1038_nature03119
    DOI: 10.1038/nature03119
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    Cited by:

    1. T. Thu Ha Do & Milad Nonahal & Chi Li & Vytautas Valuckas & Hark Hoe Tan & Arseniy I. Kuznetsov & Hai Son Nguyen & Igor Aharonovich & Son Tung Ha, 2024. "Room-temperature strong coupling in a single-photon emitter-metasurface system," Nature Communications, Nature, vol. 15(1), pages 1-8, December.
    2. Xuecou Tu & Yichen Zhang & Shuyu Zhou & Wenjing Tang & Xu Yan & Yunjie Rui & Wohu Wang & Bingnan Yan & Chen Zhang & Ziyao Ye & Hongkai Shi & Runfeng Su & Chao Wan & Daxing Dong & Ruiying Xu & Qing-Yua, 2024. "Tamm-cavity terahertz detector," Nature Communications, Nature, vol. 15(1), pages 1-8, December.

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