Low-loss terahertz waveguide Bragg grating using a two-wire waveguide and a paper grating

被引：17

作者：

Yan, Guofeng ^{[1
,3
]}

Markov, Andrey ^{[1
]}

Chinifooroshan, Yasser ^{[2
]}

Tripathi, Saurabh M. ^{[2
]}

Bock, Wojtek J. ^{[2
]}

Skorobogatiy, Maksim ^{[1
]}

机构：

[1] Ecole Polytech Montreal, Dept Engn Phys, Quebec City, PQ, Canada

[2] Univ Quebec Outaouais, Dept Informat & Ingn, Quebec City, PQ, Canada

[3] Zhejiang Univ, Ctr Opt & Electromagnet Res, Hangzhou, Zhejiang, Peoples R China

来源：

OPTICS LETTERS | 2013年 / 38卷 / 16期

关键词：

FIBERS;

D O I：

10.1364/OL.38.003089

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose a low-loss terahertz waveguide Bragg grating (TWBG) fabricated using a plasmonic two-wire waveguide and a micromachined paper grating for potential applications in terahertz (THz) communications. Two TWBGs were fabricated with different periods and lengths. Transmission spectra of these TWBGs show 16 dB loss and 14 dB loss in the middle of their respective stop bands at 0.637 and 0.369 THz, with Q factors of 142 and 105, respectively. Insertion loss of 1-4 dB in the whole 0.1-0.7 THz region was also measured. Finally, TWBG modal dispersion relations, modal loss, and field distributions were studied numerically, and low-loss, high-coupling-efficiency operation of TWBGs was confirmed. (C) 2013 Optical Society of America

引用

页码：3089 / 3092

页数：4

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