Mid-infrared hyperbolic metamaterial based on graphene-dielectric multilayers

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

doi:10.1117/12.2190367

1 September 2015 Mid-infrared hyperbolic metamaterial based on graphene-dielectric multilayers

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

Author Affiliations +

Proceedings Volume 9544, Metamaterials, Metadevices, and Metasystems 2015; 954417 (2015) https://doi.org/10.1117/12.2190367
Event: SPIE Nanoscience + Engineering, 2015, San Diego, California, United States

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.

Citation Download Citation

You-Chia Chang, Alexander V. Kildishev, Evgenii E. Narimanov, Che-Hung Liu, Chang-Hua Liu, Siyuan Zhang, Seth R. Marder, Zhaohui Zhong, and Theodore B. Norris "Mid-infrared hyperbolic metamaterial based on graphene-dielectric multilayers", Proc. SPIE 9544, Metamaterials, Metadevices, and Metasystems 2015, 954417 (1 September 2015); https://doi.org/10.1117/12.2190367

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