Lamellas metamaterials: Properties and potential applications

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Abstract

We report here on our advances in fabrication and characterization of lamellas metamaterials. Such structures can exhibit effective properties with enhanced and even extreme anisotropy. The latter case exhibits hyperbolic dispersion. Typical hyperbolic metamaterials (HMMs) consist of alternative metal/plasmonic and dielectric layers. We have developed two types of lamellas metamaterials: planar multilayer and vertical trench structures. In the former case, we deposit ultrathin ultra-smooth gold layers with the assistance of organic material (APTMS) adhesion layer. The technology supports the stacking of such layers in a multi-periods construction with alumina spacers between gold films. While planar technology makes multilayer systems conventional nanostructures, vertical arrangement of nanolamellas requires a nontrivial fabrication processing. In the latter case, we apply the atomic layer deposition (ALD) technique to arrange vertical alignment of layers of heavily doped ZnO or TiN, which enables us to produce hyperbolic metamaterials in the visible or near- and mid-infrared ranges. Potential applications of such structured lamellas metamaterials are illustrated with examples of surface waves propagation and sensing.
Original languageEnglish
Title of host publicationProceedings of 21st International Conference on Transparent Optical Networks
Number of pages4
PublisherIEEE
Publication date2019
Article number8840377
ISBN (Print)9781728127798
DOIs
Publication statusPublished - 2019
Event21st International Conference on Transparent Optical Networks - Faculty of Science, University of Angers, Angers, France
Duration: 9 Jul 201913 Jul 2019
http://www.icton2019.com/

Conference

Conference21st International Conference on Transparent Optical Networks
LocationFaculty of Science, University of Angers
Country/TerritoryFrance
CityAngers
Period09/07/201913/07/2019
SponsorApex Technologies, Institut des Sciences de l'Evolution, MDPI, Lumomat, Moltech-Anjou, Springer Nature Switzerland AG
Internet address

Keywords

  • Hyperbolic metamaterials
  • Nanophotonics
  • Thin film deposition ALD

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