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Proceedings Paper

van der Waals metasurfaces based on hyperbolic-medium antennas
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Paper Abstract

Optical antennas made out of van der Waals material with naturally occurring hyperbolic dispersion is a promising alternative to plasmonic and high-refractive-index dielectric structures in the practical realization of nanoscale photonic elements and optical components. Here we show that antenna made out of hexagonal boron nitride (hBN) possesses different resonances enabled by the supporting high-k modes and their reflection from the antenna boundaries. Multipole resonances cause the decrease in the reflection from antenna array to zero, which can be ascribed to resonant Kerker effect satisfying generalized zero back-scattering condition for particles in the array. Reflection and transmission through the van der Waals heterostructure with hBN antennas array can be tailored and actively switched by tuning optical properties of two-dimensional materials. Transdimensional photonic lattices consisting of resonant hBN antennas in the engineered periodic arrays have great potential to serve as functional elements in ultra-thin optical components and photonic devices.

Paper Details

Date Published: 12 September 2019
PDF: 5 pages
Proc. SPIE 11081, Active Photonic Platforms XI, 1108113 (12 September 2019); doi: 10.1117/12.2529700
Show Author Affiliations
Viktoriia E. Babicheva, The Univ. of New Mexico (United States)
Fatih F. Ince, The Univ. of New Mexico (United States)

Published in SPIE Proceedings Vol. 11081:
Active Photonic Platforms XI
Ganapathi S. Subramania; Stavroula Foteinopoulou, Editor(s)

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