Conference paper
Existence conditions for bulk large-wavevector waves in metal-dielectric and graphene-dielectric multilayer hyperbolic metamaterials
We theoretically investigate general existence conditions for broadband bulk large-wavevector (high-k) propagating waves (such as volume plasmon polaritons in hyperbolic metamaterials) in arbitrary subwavelength periodic multilayers structures. Treating the elementary excitation in the unit cell of the structure as a generalized resonance pole of reflection coefficient and using Bloch's theorem, we derive analytical expressions for the band of large-wavevector propagating solutions.
We apply our formalism to determine the high-k band existence in two important cases: the well-known metal-dielectric and recently introduced graphene-dielectric stacks. We confirm that short-range surface plasmons in thin metal layers can give rise to hyperbolic metamaterial properties and demonstrate that long-range surface plasmons cannot.
We also show that graphene-dielectric multilayers tend to support high-k waves and explore the range of parameters, where this is possible, confirming the prospects of using graphene for materials with hyperbolic dispersion. The suggested formalism is applicable to a large variety of structures, such as continuous or structured microwave, terahertz (THz) and optical metamaterials, optical waveguide arrays, 2D plasmonic and acoustic metamaterials.
Language: | English |
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Publisher: | SPIE - International Society for Optical Engineering |
Year: | 2014 |
Pages: | 91251M-91251M-10 |
Proceedings: | Metamaterials IX |
Series: | Progress in Biomedical Optics and Imaging - Proceedings of Spie |
ISBN: | 1628410736 and 9781628410730 |
ISSN: | 24109045 , 16057422 , 1996756x and 0277786x |
Types: | Conference paper |
DOI: | 10.1117/12.2052627 |
ORCIDs: | Andryieuski, Andrei and Lavrinenko, Andrei |