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Near-infrared exciton-polaritons in strongly coupled single-walled carbon nanotube microcavities

Author

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  • Arko Graf

    (Institute for Physical Chemistry, Faculty of Chemistry and Earth Sciences, Universität Heidelberg
    Organic Semiconductor Centre, SUPA, School of Physics and Astronomy, University of St Andrews)

  • Laura Tropf

    (Organic Semiconductor Centre, SUPA, School of Physics and Astronomy, University of St Andrews)

  • Yuriy Zakharko

    (Institute for Physical Chemistry, Faculty of Chemistry and Earth Sciences, Universität Heidelberg)

  • Jana Zaumseil

    (Institute for Physical Chemistry, Faculty of Chemistry and Earth Sciences, Universität Heidelberg)

  • Malte C. Gather

    (Organic Semiconductor Centre, SUPA, School of Physics and Astronomy, University of St Andrews)

Abstract

Exciton-polaritons form upon strong coupling between electronic excitations of a material and photonic states of a surrounding microcavity. In organic semiconductors the special nature of excited states leads to particularly strong coupling and facilitates condensation of exciton-polaritons at room temperature, which may lead to electrically pumped organic polariton lasers. However, charge carrier mobility and photo-stability in currently used materials is limited and exciton-polariton emission so far has been restricted to visible wavelengths. Here, we demonstrate strong light-matter coupling in the near infrared using single-walled carbon nanotubes (SWCNTs) in a polymer matrix and a planar metal-clad cavity. By exploiting the exceptional oscillator strength and sharp excitonic transition of (6,5) SWCNTs, we achieve large Rabi splitting (>110 meV), efficient polariton relaxation and narrow band emission (

Suggested Citation

  • Arko Graf & Laura Tropf & Yuriy Zakharko & Jana Zaumseil & Malte C. Gather, 2016. "Near-infrared exciton-polaritons in strongly coupled single-walled carbon nanotube microcavities," Nature Communications, Nature, vol. 7(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms13078
    DOI: 10.1038/ncomms13078
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    Cited by:

    1. Madeleine Laitz & Alexander E. K. Kaplan & Jude Deschamps & Ulugbek Barotov & Andrew H. Proppe & Inés García-Benito & Anna Osherov & Giulia Grancini & Dane W. deQuilettes & Keith A. Nelson & Moungi G., 2023. "Uncovering temperature-dependent exciton-polariton relaxation mechanisms in hybrid organic-inorganic perovskites," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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