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Appl. Sci. 2017, 7(4), 359; doi:10.3390/app7040359

Mode Coupling Properties of the Plasmonic Dimers Composed of Graphene Nanodisks

1
Fujian Key Laboratory of Light Propagation and Transformation, College of Information Science and Engineering, Huaqiao University, No. 668, Jimei Avenue, Jimei District, Xiamen 361021, China
2
Institute of Semiconductors, Chinese Academy of Sciences, 35A, Qinghua East Road, Haidian District, Beijing 100086, China
*
Author to whom correspondence should be addressed.
Academic Editor: Philippe Lambin
Received: 16 January 2017 / Revised: 28 March 2017 / Accepted: 30 March 2017 / Published: 5 April 2017
(This article belongs to the Section Optics and Lasers)
View Full-Text   |   Download PDF [3389 KB, uploaded 5 April 2017]   |  

Abstract

The electromagnetic properties of the plasmonic dimer composed of coupled graphene nanodisks are numerically investigated in this paper. The results demonstrate that the degeneracy of the plasmonic modes of the dimer is lifted when the coupling is introduced. The evolution of the plasmonic mode, with the variation of inter-disk distance and the chemical potential of one of the nanodisks, is studied. The proposed structure might find broad areas of application including light–matter interaction, optical switching, directional emission of the plasmonic emitter, etc. View Full-Text
Keywords: graphene; plasmonic dimer; mode coupling graphene; plasmonic dimer; mode coupling
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Chen, H.; Qiu, W.; Qiu, P.; Ren, J.; Lin, Z.; Wang, J.-X.; Kan, Q.; Pan, J.-Q. Mode Coupling Properties of the Plasmonic Dimers Composed of Graphene Nanodisks. Appl. Sci. 2017, 7, 359.

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