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Optical Transport Properties of Graphene Surface Plasmon Polaritons in Mid-Infrared Band

Key Laboratory for Wide Band Gap Semiconductor Materials and Devices of Education, School of Microelectronics, Xidian University, Xi’an 710071, China
Authors to whom correspondence should be addressed.
Crystals 2019, 9(7), 354;
Received: 18 June 2019 / Revised: 5 July 2019 / Accepted: 10 July 2019 / Published: 12 July 2019
(This article belongs to the Special Issue Graphene Mechanics)
PDF [1858 KB, uploaded 12 July 2019]


The excellent transmission characteristics of graphene surface plasmon polaritons in mid-infrared band were analyzed and verified effectively through theoretical derivation and soft simulation in this paper. Meanwhile, a sandwich waveguide structure of dielectric–graphene–substrate–dielectric based on graphene surface plasmon polaritons (SPPs) was presented. Simulation results indicate that graphene SPPs show unique properties in the mid-infrared region including ultra-compact mode confinement and dynamic tunability, which allow these SPPs to overcome the defects of metal SPPs and traditional silicon-based optoelectronic devices. Thus, they can be used to manufacture subwavelength devices. The work in this paper lays a theoretical foundation for the application of graphene SPPs in the mid-infrared region. View Full-Text
Keywords: surface plasmon polaritons; graphene; mid-infrared surface plasmon polaritons; graphene; mid-infrared

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Wang, Y.; Liu, H.; Wang, S.; Cai, M.; Ma, L. Optical Transport Properties of Graphene Surface Plasmon Polaritons in Mid-Infrared Band. Crystals 2019, 9, 354.

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