High-sensitive refractive index sensing and excellent slow light based on tunable triple plasmon-induced transparency in monolayer graphene based metamaterial

作     者：Xianwen Zhou Yiping Xu Yuhui Li Shubo Cheng Zao Yi Guohui Xiao Ziyi Wang Zhanyu Chen 

作者机构：School of Physics and Optoelectronic EngineeringYangtze UniversityJingzhou 434023China Joint Laboratory for Extreme Conditions Matter PropertiesSouthwest University of Science and TechnologyMianyang 621010China Jiangxi Province Key Laboratory of Optoelectronics and CommunicationsJiangxi Science and Technology Normal UniversityNanchang 330038China 

出 版 物：《Communications in Theoretical Physics》 (理论物理通讯（英文版）)

年 卷 期：2023年第75卷第1期

页      面：120-129页

核心收录：

学科分类：081702[工学-化学工艺] 08[工学] 0817[工学-化学工程与技术] 

基　　金：supported by National Natural Science Foundation of China:61605018,11904032,61841503 Science and Technology Project Foundation of the Education Department of Jiangxi Province:GJJ150815 

主　　题：plasma-induced transparency coupled mode theory graphene refractive index sensor slow-light effect 

摘      要：A patterned monolayer graphene metamaterial structure consisting of six graphene blocks and two graphene strips is proposed to generate triple plasmon-induced transparency(PIT).TriplePIT can be effectively modulated by Fermi levels of *** theoretically calculated results by coupled mode theory show a high matching degree with the numerically simulated results by finite-difference ***,the high-sensitive refractive index sensing and excellent slow-light performance can be realized in the proposed graphene metamaterial *** sensitivity(S)and figure of merit can reach up to 5.7115 THz RIU^(-1)and 116.32,***,the maximum group refractive index is ***,these results may provide a new idea for designing graphene-based sensors and slow light devices.