Laser & Optoelectronics Progress, Volume. 58, Issue 3, 3230011(2021)
Graphene Plasmonic Waveguide Based on Silicon-on-Insulator Structure
Figures & Tables(8)
Fig. 1. Schematic of waveguide structure. (a) Three-dimensional structure; (b) two-dimensional cross section of waveguide structure
Fig. 2. Normalized fundamental mode electric field distribution under different conditions. (a) Simulation results; (b) x direction; (c) y direction
Fig. 3. Relationship between mode characteristics and f. (a) neff; (b) LP; (c) Anor; (d) FOM
Fig. 4. Relationship between mode characteristics and R. (a) neff; (b) LP; (c) Anor; (d) FOM
Fig. 5. Relationship between mode characteristics and W1. (a) neff; (b) LP; (c) Anor; (d) FOM
Fig. 6. Relationship between mode characteristics and μc. (a) neff; (b) LP; (c) Anor; (d) FOM
Fig. 7. Crosstalk between adjacent structures. (a) Coupled system; (b) distribution of electric field component Ey in Ey,s and Ey,as; (c) distribution curves of the electric field component Ey in Ey,s and Ey,as along x direction; (d) normalized coupling lengths of different h1 values
Table 1.
Model field area of different structures View tableTable 1.
Model field area of different structures Structure f/THz μc/eV Anor Ref.[ 25 ]50 1.0 1.35×10-3 Ref.[ 34 ]30 1.0 ~1.00×10-4 Ref.[ 35 ]30-50 0.6 ~1.00×10-5 Ref.[ 37 ]20 0.6 7.00×10-5 Proposed structure 20 0.6 1.90×10-6
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Teng Da, Zhao Yongzhe, Wang Yuncheng, Li Yiqiang, Wang Kai. Graphene Plasmonic Waveguide Based on Silicon-on-Insulator Structure[J]. Laser & Optoelectronics Progress, 2021, 58(3): 3230011
Paper Information
Category: Optical Devices
Received: Jun. 6, 2020
Accepted: --
Published Online: Mar. 12, 2021
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