Tunable plasmon-induced transparency based on asymmetric H-shaped graphene metamaterials<xref rid="cpb_27_12_124205fn1" ref-type="fn">*</xref><fn id="cpb_27_12_124205fn1"><label>*</label><p>Project supported by the Key Science and Technology Research Project of Henan Province, China (Grant Nos. 162102210164 and 1721023100107) and the Natural Science Foundation of Henan Educational Committee, China (Grant No. 17A140002).</p></fn>

Tunable plasmon-induced transparency based on asymmetric H-shaped graphene metamaterials**

Project supported by the Key Science and Technology Research Project of Henan Province, China (Grant Nos. 162102210164 and 1721023100107) and the Natural Science Foundation of Henan Educational Committee, China (Grant No. 17A140002).

Tian Yu-Chen, Jia Wei, Ren Pei-Wen, Fan Chun-Zhen^†

(color online) (a) Transmission spectra of graphene-based PIT structure at different values of refractive index n, with θ = 0° and E_F = 0.5 eV, (b) relationship of the resonant PIT peak and refractive index n, and (c) relation between spectral shift Δ λ of the transparency peak and refractive index n of substrate.