A compact graphene-based dual-band band-stop filter using new hook-shaped resonator for THz applications

被引：6
|
作者：
Zonouri, Seyed Abed [1 ]
Hayati, Mohsen [1 ]
机构：
[1] Razi Univ Kermanshah, Fac Engn, Dept Elect Engn, 67149, Kermanshah, Iran
来源：
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING | 2023年 / 153卷
关键词：
Dual -band band -stop; Graphene-based filter; Hook -shaped resonator; THz frequencies; Tunable; WAVE-GUIDES; PLASMON; METAMATERIAL; MULTIBAND;
D O I：
10.1016/j.mssp.2022.107150
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents a plasmonic Dual-band band-stop filter for terahertz frequencies using new graphene hook -shaped resonators. The structure of this filter is formed by placing two novel symmetrical resonators in the main waveguide path. The finite-difference time-domain (FDTD) and transmission line methods are used to analyze the proposed filter. This adjustable filter has a high-quality factor and two resonance modes in frequencies of 4.1 THz and 13.8 THz. Furthermore, the simulation results show a shift in the resonant frequencies upon changing the base length of the resonators. The designed filter has very small dimensions (350 nm x 500 nm) and can be a proper candidate for integrated optical circuits due to its compact structure and simple design.
引用
收藏
页数：7
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