Design of subwavelength corrugated metal waveguides for slow waves at terahertz frequencies

被引：27
|
作者：
Wang, Bowen [1 ,2 ]
Jin, Yi [1 ,2 ]
He, Sailing [1 ,2 ,3 ]
机构：
[1] Zhejiang Univ, Ctr Opt & Electromagnet Res, Hangzhou, Zhejiang, Peoples R China
[2] Zhejiang Univ, Joint Res Ctr Photon, Royal Inst Technol Sweden, Hangzhou, Zhejiang, Peoples R China
[3] Royal Inst Technol, Sch Elect Engn, Div Electromagnet Theory, S-10044 Stockholm, Sweden
来源：
APPLIED OPTICS | 2008年 / 47卷 / 21期
关键词：
D O I：
10.1364/AO.47.003694
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A subwavelength corrugated metal waveguide is studied and designed to slow down the light at terahertz frequencies. The waveguide consists of two parallel thin metal slabs with periodic corrugations on their inner boundaries. Compared with structures based on engineered surface plasmons, the proposed structure has smaller group velocity dispersion and lower propagation loss. The origin of the slow wave is also explained. (C) 2008 Optical Society of America.
引用
收藏
页码：3694 / 3700
页数：7
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