, Volume 13, Issue 6, pp 2029–2035 | Cite as

A Hybrid Plasmonic Modulator Based on Graphene on Channel Plasmonic Polariton Waveguide

  • Pengfei Zheng
  • Huimin Yang
  • Meiyong Fan
  • Guohua Hu
  • Ruohu Zhang
  • Binfeng YunEmail author
  • Yiping CuiEmail author


A hybrid plasmonic modulator based on graphene on channel plasmonic polariton waveguide was proposed to overcome the difficulty in achieving high-speed modulation on the nanometric plasmonic waveguide platform. The extinction ratio and the figure of merit of the proposed modulator were analyzed in detail, and a tradeoff between them was found due to the intrinsic loss of the channel plasmonic polariton waveguide. And an optimized hybrid plasmonic modulator with large modulation bandwidth of 0.662 THz, low power consumption of 118.7 fJ/bit, and short device length of 7.680 μm was obtained theoretically. In addition, the proposed hybrid plasmonic modulator based on graphene on channel plasmonic polariton waveguide is easy to fabricate and provides a potential solution for the high-speed plasmonic modulator.


Plasmonics Waveguide devices Modulators 



This work was supported by the National Science Foundation of Jiangsu Province Grant No. BK 20161429.


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© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Advanced Photonics CenterSoutheast UniversityNanjingChina

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