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Excitation Ladder of Cavity Polaritons

Travis M. Autry, Gaël Nardin, Christopher L. Smallwood, Kevin Silverman, Daniele Bajoni, Aristide Lemaître, Sophie Bouchoule, Jacqueline Bloch, and Steven Cundiff
Phys. Rev. Lett. 125, 067403 – Published 5 August 2020
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    Abstract

    Multidimensional coherent spectroscopy directly unravels multiply excited states that overlap in a linear spectrum. We report multidimensional coherent optical photocurrent spectroscopy in a semiconductor polariton diode and explore the excitation ladder of cavity polaritons. We measure doubly and triply avoided crossings for pairs and triplets of exciton polaritons, demonstrating the strong coupling between light and dressed doublet and triplet semiconductor excitations. These results demonstrate that multiply excited excitonic states strongly coupled to a microcavity can be described as two coupled quantum-anharmonic ladders.

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    • Received 13 August 2019
    • Accepted 10 July 2020

    DOI:https://doi.org/10.1103/PhysRevLett.125.067403

    © 2020 American Physical Society

    Physics Subject Headings (PhySH)

    1. Research Areas
    Exciton polariton
    1. Physical Systems
    Semiconductor microcavities
    1. Techniques
    Four-wave mixingJaynes-Cummings model
    Condensed Matter, Materials & Applied Physics

    Authors & Affiliations

    Travis M. Autry1,2,3,*, Gaël Nardin1, Christopher L. Smallwood1,4,5, Kevin Silverman2, Daniele Bajoni6, Aristide Lemaître7, Sophie Bouchoule7, Jacqueline Bloch7, and Steven Cundiff1,3,4

    • 1JILA, University of Colorado & National Institute of Standards and Technology, Boulder, Colorado 80309-0440, USA
    • 2National Institute of Standards and Technology, Boulder, Colorado 80305, USA
    • 3Department of Physics, University of Colorado, Boulder, Colorado 80309-0390, USA
    • 4Department of Physics, University of Michigan, Ann Arbor, Michigan 48109, USA
    • 5Department of Physics and Astronomy, San José State University, San José, California 95192, USA
    • 6Dipartimento di Ingegneria Industriale e dell’Informazione, Universitá di Pavia, via Ferrata 1 Pavia 27100, Italy
    • 7Université Paris-Saclay, CNRS, Centre de Nanosciences et de Nanotechnologies, Palaiseau 91120, France

    • *travis.autry@colorado.edu

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    Issue

    Vol. 125, Iss. 6 — 7 August 2020

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