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Proceedings Paper

Enhanced interaction of Tamm plasmon polaritons based on graphene/DBR/silver structure
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Paper Abstract

In this work, we theoretically investigate the strong coupling of Tamm Plasmon Polaritons (TPP) in a graphene/DBR/Ag hybrid structure. It is found that TPP can be generated at both upper graphene and lower Ag interfaces, which can strongly couple with each other, allowing strong light-matter interaction with dual-band perfect absorption. Numerical results reveal that resonance frequency of hybrid modes can be tuned by adjusting geometry parameters or dynamically modifying graphene Fermi energy. Coupling strength for the TPP hybrid modes exhibits a large tuning range, from large Rabi splitting to a very narrow induced transparency. The tunable TPP strong coupling with a dual-band perfect absorption in this simple layered system is potential in developing a broad range of graphene-based optoelectronic devices.

Paper Details

Date Published: 12 March 2020
PDF: 6 pages
Proc. SPIE 11440, 2019 International Conference on Optical Instruments and Technology: Micro/Nano Photonics: Materials and Devices, 114400H (12 March 2020); doi: 10.1117/12.2550242
Show Author Affiliations
Enxu Yao, Hefei Univ. of Technology (China)
Jigang Hu, Hefei Univ. of Technology (China)
Wei Liu, Hefei Univ. of Technology (China)
Weiqiang Xie, Hefei Univ. of Technology (China)
Fei Wang, Hefei Univ. of Technology (China)
Yonghua Lu, Univ. of Science and Technology of China (China)
Qiwen Zhan, Univ. of Dayton (United States)
Univ. of Shanghai for Science and Technology (China)


Published in SPIE Proceedings Vol. 11440:
2019 International Conference on Optical Instruments and Technology: Micro/Nano Photonics: Materials and Devices
Baojun Li; Xingjun Wang; Ya Sha Yi, Editor(s)

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