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Li P, Dolado I, Alfaro-Mozaz FJ, et al. Infrared hyperbolic metasurface based on nanostructured van der Waals materials. Science. 2018;359(6378):892-896doi: 10.1126/science.aaq1704.
Li, P., Dolado, I., Alfaro-Mozaz, F. J., Casanova, F., Hueso, L. E., Liu, S., Edgar, J. H., Nikitin, A. Y., Vélez, S., & Hillenbrand, R. (2018). Infrared hyperbolic metasurface based on nanostructured van der Waals materials. Science (New York, N.Y.), 359(6378), 892-896. https://doi.org/10.1126/science.aaq1704
Li, Peining, et al. "Infrared hyperbolic metasurface based on nanostructured van der Waals materials." Science (New York, N.Y.) vol. 359,6378 (2018): 892-896. doi: https://doi.org/10.1126/science.aaq1704
Li P, Dolado I, Alfaro-Mozaz FJ, Casanova F, Hueso LE, Liu S, Edgar JH, Nikitin AY, Vélez S, Hillenbrand R. Infrared hyperbolic metasurface based on nanostructured van der Waals materials. Science. 2018 Feb 23;359(6378):892-896. doi: 10.1126/science.aaq1704. PMID: 29472478.
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Science. 2018 Feb 23;359(6378):892-896. doi: 10.1126/science.aaq1704.

Infrared hyperbolic metasurface based on nanostructured van der Waals materials.

Science (New York, N.Y.)

Peining Li, Irene Dolado, Francisco Javier Alfaro-Mozaz, Fèlix Casanova, Luis E Hueso, Song Liu, James H Edgar, Alexey Y Nikitin, Saül Vélez, Rainer Hillenbrand

Affiliations

  1. CIC nanoGUNE, 20018 Donostia-San Sebastián, Spain.
  2. IKERBASQUE, Basque Foundation for Science, 48013 Bilbao, Spain.
  3. Department of Chemical Engineering, Kansas State University, Manhattan, KS 66506, USA.
  4. Donostia International Physics Center (DIPC), 20018 Donostia-San Sebastián, Spain.
  5. IKERBASQUE, Basque Foundation for Science, 48013 Bilbao, Spain. [email protected].
  6. CIC nanoGUNE and Universidad del País Vasco-Euskal Herriko Unibertsitatea, 20018 Donostia-San Sebastián, Spain.

PMID: 29472478 DOI: 10.1126/science.aaq1704

Abstract

Metasurfaces with strongly anisotropic optical properties can support deep subwavelength-scale confined electromagnetic waves (polaritons), which promise opportunities for controlling light in photonic and optoelectronic applications. We developed a mid-infrared hyperbolic metasurface by nanostructuring a thin layer of hexagonal boron nitride that supports deep subwavelength-scale phonon polaritons that propagate with in-plane hyperbolic dispersion. By applying an infrared nanoimaging technique, we visualize the concave (anomalous) wavefronts of a diverging polariton beam, which represent a landmark feature of hyperbolic polaritons. The results illustrate how near-field microscopy can be applied to reveal the exotic wavefronts of polaritons in anisotropic materials and demonstrate that nanostructured van der Waals materials can form a highly variable and compact platform for hyperbolic infrared metasurface devices and circuits.

Copyright © 2018 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works.

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