Dynamically electrical/thermal-tunable perfect absorber for a high-performance terahertz modulation

D Zeng, S Zong, G Liu, W Yuan, X Liu, Z Liu - Optics Express, 2022 - opg.optica.org
We present a high-performance functional perfect absorber in a wide range of terahertz
(THz) wave based on a hybrid structure of graphene and vanadium dioxide (VO_2) …

Dynamically tunable terahertz multi-band perfect absorber based on photosensitive silicon

J Gao, L Zhao, Z Zhang, S Liu, R Li, K Mu… - Physica …, 2024 - iopscience.iop.org
A tunable narrowband terahertz absorber is proposed based on the photosensitive
characteristics of silicon. When silicon is insulating without the pump beam, the absorber …