High-Q dark hyperbolic phonon-polaritons in hexagonal boron nitride nanostructures

High-Q dark hyperbolic phonon-polaritons in hexagonal boron nitride nanostructures

The anisotropy of hexagonal boron nitride (hBN) gives rise to hyperbolic phonon-polaritons (HPhPs), notable for their volumetric frequency-dependent propagation and strong confinement. For frustum (truncated nanocone) structures, theory predicts five, high-order HPhPs, sets, but only one set was obs...

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Bibliographic Details
Main Authors: Ramer Georg, Tuteja Mohit, Matson Joseph R., Davanco Marcelo, Folland Thomas G., Kretinin Andrey, Taniguchi Takashi, Watanabe Kenji, Novoselov Kostya S., Caldwell Joshua D., Centrone Andrea
Format: Article
Language:English
Published: De Gruyter 2020-05-01
Series:Nanophotonics
Subjects:
dark modes
hexagonal boron nitride
high-q
hyperbolic phonon polariton
ptir
s-snom
Online Access:https://doi.org/10.1515/nanoph-2020-0048

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