Nature Communications (Jun 2017)

Nanoimaging of resonating hyperbolic polaritons in linear boron nitride antennas

  • F. J. Alfaro-Mozaz,
  • P. Alonso-González,
  • S. Vélez,
  • I. Dolado,
  • M. Autore,
  • S. Mastel,
  • F. Casanova,
  • L. E. Hueso,
  • P. Li,
  • A. Y. Nikitin,
  • R. Hillenbrand

DOI
https://doi.org/10.1038/ncomms15624
Journal volume & issue
Vol. 8, no. 1
pp. 1 – 8

Abstract

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Here, the authors report a near-field study of hyperbolic phonon polaritons in linear antennas made of hexagonal boron nitride. Infrared nanospectroscopy and nanoimaging experiments reveal sharp Fabry-Perot resonances with large quality factors, exhibiting atypical modal behaviour.