Tunable THz Graphene Plasmonic Filter Based on One-Dimensional Photonic Quasicrystals |
| Yibing Zhonga, Yinshan Yub, Shengli Shia, Mingxing Gaoa, Yuhao Wanga, Chunyan Lva
aShandong Institute of Space Electronic Technology, China Academy of Space Technology, Yantai 264670, China bFaculty of Electronic Information Engineering, Huaiyin Institute of Technology, Huai'an 223003, China |
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| In this paper, a tunable multichannel THz graphene plasmonic filter based on a one-dimensional Fibonacci photonic quasicrystal is proposed. The filter properties of this integrated plasmonic device are investigated theoretically by applying the transfer matrix method in numerical calculation. The transmission spectrum can be flexibly tuned via a varying Fibonacci generation order, the chemical potential of graphene and the thickness of the multilayer stacks of photonic quasicrystals. Furthermore, the spectrum property of the proposed structure is sensitive to the refractive index of the dielectric layers. The well-performed plasmonic filter paves the new way for designing THz on-chip graphene devices. |
DOI:10.12693/APhysPolA.138.763 topics: filter, graphene plasmonics, Fibonacci photonic quasicrystals, THz |