Plasmonic mode analysis of deep subwavelength graphene nanoribbon waveguides

Xiao Yang; Weibin Qiu; Shangxin Lin; Jing Zhao; Yixin Huang; Houbo Chen; Jia-Xian Wang; Qiang Kan; Jiao-Qing Pan

doi:10.1117/1.JNP.10.016003

27 January 2016 Plasmonic mode analysis of deep subwavelength graphene nanoribbon waveguides

Xiao Yang, Weibin Qiu, Shangxin Lin, Jing Zhao, Yixin Huang, Houbo Chen, Jia-Xian Wang, Qiang Kan, Jiao-Qing Pan

Author Affiliations +

Journal of Nanophotonics, Vol. 10, Issue 1, 016003 (January 2016). https://doi.org/10.1117/1.JNP.10.016003

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 10⁻⁸(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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Xiao Yang, Weibin Qiu, Shangxin Lin, Jing Zhao, Yixin Huang, Houbo Chen, Jia-Xian Wang, Qiang Kan, and Jiao-Qing Pan "Plasmonic mode analysis of deep subwavelength graphene nanoribbon waveguides," Journal of Nanophotonics 10(1), 016003 (27 January 2016). https://doi.org/10.1117/1.JNP.10.016003

Published: 27 January 2016

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