Dandan Sun, Mengqi Wang, Yuanyuan Huang, Yixuan Zhou, Mei Qi, Man Jiang, Zhaoyu Ren. Enhanced spatial terahertz modulation based on graphene metamaterial[J]. Chinese Optics Letters, 2017, 15(5): 051603
- Chinese Optics Letters
- Vol. 15, Issue 5, 051603 (2017)
Fig. 1. (a) Schematic of the SRR plasmonic structure. (b) A close-up picture of the patterned graphene metamaterial.
Fig. 2. (a) Transmission spectra of different Fermi levels and (b) surface current distribution of F 1
Fig. 3. (a) Transmission spectra of different line-widths at 0.5 eV and (b) modulation depth (1 − T / T 0
Fig. 4. (a) Transmission spectra of different layers at 0.5 eV and (b) modulation depth spectra.
Fig. 5. (a) and (b) THz wave transmission and modulation depth spectra as a function of frequency of different incidence angles. (c), (d), and (e) Surface current distributions of the three resonant modes.
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