Research Papers

Plasmonic mode analysis of deep subwavelength graphene nanoribbon waveguides

[+] Author Affiliations
Xiao Yang, Weibin Qiu, Shangxin Lin, Jing Zhao, Yixin Huang, Houbo Chen, Jia-Xian Wang

Huaqiao University, College of Information Science and Engineering, No. 668, Jimei Avenue, Jimei District, Xiamen 361021, China

Qiang Kan, Jiao-Qing Pan

Chinese Academy of Science, Institute of Semiconductors, No. 35A Qinghua East Road, Haidian District, Beijing 100083, China

J. Nanophoton. 10(1), 016003 (Jan 27, 2016). doi:10.1117/1.JNP.10.016003
History: Received August 4, 2015; Accepted December 10, 2015
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Abstract.  Deep subwavelength plasmonic graphene nanoribbon waveguides for telecommunication frequencies are proposed. The mode properties of graphene nanoribbon waveguides with varied chemical potential are numerically investigated in terms of the effective indices and the propagation length of the plasmonic modes. A refractive index as high as 4980 is obtained on the plasmonic mode along the nanoribbon waveguide with a width of 3 nm at a frequency of 190 THz, and the normalized mode area on the scale of 108(1/λ0)2. An embedded graphene nanoribbon waveguide was also proposed and it is that the optical characteristic can be tuned by adjusting the chemical potential of graphene. The proposed structure can be a fundamental component of the future integrated plasmonic circuit system.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Xiao Yang ; Weibin Qiu ; Shangxin Lin ; Jing Zhao ; Yixin Huang, et al.
"Plasmonic mode analysis of deep subwavelength graphene nanoribbon waveguides", J. Nanophoton. 10(1), 016003 (Jan 27, 2016). ; http://dx.doi.org/10.1117/1.JNP.10.016003


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