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Plasmonics

, Volume 13, Issue 2, pp 653–659 | Cite as

Tunable Multichannel Plasmonic Filter Based on a Single Graphene Sheet on a Fibonacci Quasiperiodic Structure

  • Yuncai Feng
  • Youwen Liu
  • Xiaohua Wang
  • Daxing Dong
  • Yaoyao Shi
  • Liangzun Tang
Article

Abstract

We propose a tunable multichannel plasmonic mid-infrared filter of a single graphene sheet depositing on a Fibonacci quasiperiodic structure. The transmission spectra are numerically analyzed by a finite-difference time-domain (FDTD) method, and the results show that the filtering properties of the proposed structure can be tuned by the chemical potentials of graphene, the width and depth of air grooves, and the refractive index of the substrate. The simulation results are discussed analytically by deducing the dispersion relation of surface plasmon polariton propagating on four layers structure of air/graphene/air/dielectric. The proposed structure may find potential applications in tunable filters, sensors, and integrated photonic circuits.

Keywords

Surface plasmon polaritons Graphene Fibonacci quasiperiodic structure Multichannel filter 

Notes

Acknowledgements

This work was partially supported by the National Natural Foundation of China under Grant No. 11174147, the Funds from the Postgraduate Creative Base in Nanjing University of Aeronautics and Astronautics under Grant No. kfjj20160806, and the Funds from Jiangsu Innovation Program for Graduate Education under Grant No. KYZZ16_0167.

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Copyright information

© Springer Science+Business Media New York 2017

Authors and Affiliations

  • Yuncai Feng
    • 1
  • Youwen Liu
    • 1
  • Xiaohua Wang
    • 1
  • Daxing Dong
    • 1
  • Yaoyao Shi
    • 1
  • Liangzun Tang
    • 1
  1. 1.Department of Applied PhysicsNanjing University of Aeronautics and AstronauticsNanjingPeople’s Republic of China

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