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10.3390/nano6090155
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Article

Electrically Tunable Absorption Enhancement with Spectral and Polarization Selectivity through Graphene Plasmonic Light Trapping

by
Wenbin Liu
1,
Jianfa Zhang
1,*,
Zhihong Zhu
1,2,
Xiaodong Yuan
1 and
Shiqiao Qin
1,2
1
College of Optoelectronic Science and Engineering, National University of Defense Technology, Changsha 410073, China
2
State Key Laboratory of High Performance Computing, National University of Defense Technology, Changsha 410073, China
*
Author to whom correspondence should be addressed.
Nanomaterials 2016, 6(9), 155; https://doi.org/10.3390/nano6090155
Submission received: 29 June 2016 / Revised: 30 July 2016 / Accepted: 12 August 2016 / Published: 23 August 2016
(This article belongs to the Special Issue 2D Nanomaterials: Graphene and Beyond Graphene)
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Abstract

In this paper, anisotropic graphene plasmonic structures are explored for light trapping and absorption enhancement in surrounding media. It is shown that electrically tunable and versatile spectral and polarization selectivity can be realized. Particularly, it is possible to control absorption of the incident light’s polarization component at a specific wavelength by varying the Fermi energy with suitable geometric designs. It may find applications for new types of infrared and THz photodetectors and will promote the research of other novel polarization devices.
Keywords: graphene; plasmonic; absorption enhancement; polarization selectivity; photodetectors graphene; plasmonic; absorption enhancement; polarization selectivity; photodetectors
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MDPI and ACS Style

Liu, W.; Zhang, J.; Zhu, Z.; Yuan, X.; Qin, S. Electrically Tunable Absorption Enhancement with Spectral and Polarization Selectivity through Graphene Plasmonic Light Trapping. Nanomaterials 2016, 6, 155. https://doi.org/10.3390/nano6090155

AMA Style

Liu W, Zhang J, Zhu Z, Yuan X, Qin S. Electrically Tunable Absorption Enhancement with Spectral and Polarization Selectivity through Graphene Plasmonic Light Trapping. Nanomaterials. 2016; 6(9):155. https://doi.org/10.3390/nano6090155

Chicago/Turabian Style

Liu, Wenbin, Jianfa Zhang, Zhihong Zhu, Xiaodong Yuan, and Shiqiao Qin. 2016. "Electrically Tunable Absorption Enhancement with Spectral and Polarization Selectivity through Graphene Plasmonic Light Trapping" Nanomaterials 6, no. 9: 155. https://doi.org/10.3390/nano6090155

APA Style

Liu, W., Zhang, J., Zhu, Z., Yuan, X., & Qin, S. (2016). Electrically Tunable Absorption Enhancement with Spectral and Polarization Selectivity through Graphene Plasmonic Light Trapping. Nanomaterials, 6(9), 155. https://doi.org/10.3390/nano6090155

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