Tunable broadband transmissive terahertz cross-polarization converter enabled by a hybrid metal-graphene metasurface

• Published in: Results in physics Vol. 44; p. 106190
• Main Authors: Zhang, Hao, Wei, Binbin, Dong, Jiduo, Zang, Qing, Huang, Chishen, Bai, Xiangxing, Tang, Linlong, Shi, Haofei, Liu, Chunheng, Liu, Yang, Lu, Yueguang
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.01.2023; Elsevier
• Subjects: Cross-polarization converter; Graphene; Metasurface; Terahertz; Metasurface; Cross-polarization converter; Terahertz; Graphene

•Polarization converter with a 94.2% modulation depth and a 107.7% relative bandwidth.•Low requirement on the graphene mobility which is only 500 cm2/(V·s).•Might be utilized to achieve fully electrical polarization detection in THz-TDS.•The mechanisms are explained with a transfer matrix and an equ...