Xiangzhuang Kong, Jinhua Li, Xiaoman Luo, Chengkai Jiang, Zhanghua Han, Youqiao Ma. Graphene Surface Plasmon Polariton Modulator Based on Biased Nanowires[J]. Acta Optica Sinica, 2021, 41(19): 1923001
- Acta Optica Sinica
- Vol. 41, Issue 19, 1923001 (2021)
Fig. 1. Wideband waveguide modulator. (a) Three-dimensional structure; (b) cross-sectional structure in x-y plane; (c) schematic of normalized electric field distribution
Fig. 2. Relationship between permittivity and chemical potential of graphene at room temperature
Fig. 3. Relationship between mode loss and different parameters. (a) Chemical potential; (b) wavelength
Fig. 4. Effect of gap between nanowires and adjacent graphenes on modulation depth
Fig. 5. Relationship between radius of silicon nanowire and modulation depth
Fig. 6. Relationship between horizontal offset of silicon nanowire and modulation depth
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Table 1. Performance comparison of proposed modulator with recently reported graphene modulators
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