Image polaritons in boron nitride for extreme polariton confinement with low losses

In-Ho Lee; Mingze He; Xi Zhang; Yujie Luo; Song Liu; James H. Edgar; Ke Wang; Phaedon Avouris; Tony Low; Joshua D. Caldwell; Sang-Hyun Oh

doi:10.1038/s41467-020-17424-w

Nature Communications (Jul 2020)

Image polaritons in boron nitride for extreme polariton confinement with low losses

In-Ho Lee,
Mingze He,
Xi Zhang,
Yujie Luo,
Song Liu,
James H. Edgar,
Ke Wang,
Phaedon Avouris,
Tony Low,
Joshua D. Caldwell,
Sang-Hyun Oh

Affiliations

In-Ho Lee: Department of Electrical and Computer Engineering, University of Minnesota
Mingze He: Department of Mechanical Engineering, Vanderbilt University
Xi Zhang: School of Physics and Astronomy, University of Minnesota
Yujie Luo: School of Physics and Astronomy, University of Minnesota
Song Liu: Tim Taylor Chemical Engineering Department, Kansas State University
James H. Edgar: Tim Taylor Chemical Engineering Department, Kansas State University
Ke Wang: School of Physics and Astronomy, University of Minnesota
Phaedon Avouris: IBM T. J. Watson Research Center
Tony Low: Department of Electrical and Computer Engineering, University of Minnesota
Joshua D. Caldwell: Department of Mechanical Engineering, Vanderbilt University
Sang-Hyun Oh: Department of Electrical and Computer Engineering, University of Minnesota

DOI: https://doi.org/10.1038/s41467-020-17424-w
Journal volume & issue: Vol. 11, no. 1
pp. 1 – 8

Abstract

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The tight confinement of polaritons in 2D materials leads to increased optical losses. Here, the authors demonstrate image phonon polariton modes in hexagonal boron nitride with an antisymmetric charge distribution that feature quality factors of up to 501 and an effective index of 132.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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