Quan Li, Shanshan Liu, Guangda Lu, Shuang Wang. Active control of terahertz electromagnetically induced transparency metasurface using a graphene-metal hybrid structure[J]. Infrared and Laser Engineering, 2021, 50(8): 20210246
- Infrared and Laser Engineering
- Vol. 50, Issue 8, 20210246 (2021)
Fig. 1. (a) Schematic of the unit cell of the proposed active EIT metasurface; (b) Schematic of the active control manner, CW: continuous wave, V g: bias voltage
Fig. 2. (a) Simulated amplitude transmission spectra of the CWR (bright mode), DUR (dark mode) and the EIT structure, respectively; (b) Simulated surface current distributions of the EIT structure at the transparency window frequency, the black arrows illustrate the directions of the surface currents
Fig. 3. Measured amplitude transmission spectra of the EIT metasurface with and without the graphene layer
Fig. 4. Measured (a) terahertz transmission spectra and (b) transmission amplitudes at the EIT window frequency of the hybrid metasurface at different bias voltages under 0.25 W cm−2 CW pump
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20