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Proceedings Paper

Mid-infrared hyperbolic metamaterial based on graphene-dielectric multilayers
Author(s): You-Chia Chang; Alexander V. Kildishev; Evgenii E. Narimanov; Che-Hung Liu; Chang-Hua Liu; Siyuan Zhang; Seth R. Marder; Zhaohui Zhong; Theodore B. Norris
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Paper Abstract

Graphene-based hyperbolic metamaterials (HMMs) enable new possibilities that are not attainable with conventional metal-based HMMs, such as tunability of optical properties and the ability to combine with graphene-based photodetection. A graphene HMM is made of alternating graphene-dielectric multilayers, whose properties can be understood with the effective-medium approximation (EMA). The initial experimental realization of this novel metamaterial has been demonstrated with a far-field measurement, and in this paper we investigate the light coupling from free space into a graphene HMM slab with a metallic grating using numerical simulations. We show that light can be efficiently coupled into the high-k guided modes in the HMM slab and be absorbed by the graphene layers, which can be applied to create ultrathin super absorbers.

Paper Details

Date Published: 1 September 2015
PDF: 8 pages
Proc. SPIE 9544, Metamaterials, Metadevices, and Metasystems 2015, 954417 (1 September 2015); doi: 10.1117/12.2190367
Show Author Affiliations
You-Chia Chang, Univ. of Michigan (United States)
Alexander V. Kildishev, Univ. of Michigan (United States)
Purdue Univ. (United States)
Evgenii E. Narimanov, Univ. of Michigan (United States)
Purdue Univ. (United States)
Che-Hung Liu, Univ. of Michigan (United States)
Chang-Hua Liu, Univ. of Michigan (United States)
Siyuan Zhang, Georgia Institute of Technology (United States)
Seth R. Marder, Georgia Institute of Technology (United States)
Zhaohui Zhong, Univ. of Michigan (United States)
Theodore B. Norris, Univ. of Michigan (United States)


Published in SPIE Proceedings Vol. 9544:
Metamaterials, Metadevices, and Metasystems 2015
Nader Engheta; Mikhail A. Noginov; Nikolay I. Zheludev, Editor(s)

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