A single-polarization hollow-core anti-resonant fiber based on epsilon-near-zero (ENZ) material in terahertz region

被引：5
|
作者：
Han, Zhongrui [1 ,2 ]
Tian, Fengjun [1 ,2 ]
Lu, Yipeng [1 ,2 ]
Hu, Guanqu [1 ,2 ]
Chen, Youzhi [1 ,2 ]
Zeng, Zhibin [1 ,2 ]
Liu, Chao [3 ]
Yang, Xinghua [1 ,2 ]
Li, Li [1 ,2 ,4 ]
Zhang, Jianzhong [1 ,2 ]
机构：
[1] Harbin Engn Univ, Key Lab Infiber Integrated Opt, Minist Educ, Harbin 150001, Peoples R China
[2] Harbin Engn Univ, Coll Phys & Optoelect Engn, Harbin 150001, Peoples R China
[3] Northeast Petr Univ, Sch Phys & Elect Engn, Daqing 163318, Peoples R China
[4] Harbin Inst Technol, Dept Phys, Harbin 150001, Peoples R China
来源：
OPTIK | 2023年 / 279卷
关键词：
Terahertz; Hollow core anti-resonant fiber; Epsilon-near-zero; Polarization extinction ratio; Birefringence; TIME-DOMAIN SPECTROSCOPY; BIREFRINGENCE; INDEX;
D O I：
10.1016/j.ijleo.2023.170598
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A single-polarization hollow core anti-resonant fiber (HC-ARF) in terahertz (THz) region is pro-posed. The excellent single-polarization behavior is achieved by optimizing material parameters. Meanwhile, the single polarization behavior further improved by introducing epsilon-near-zero (ENZ) material into high resistance silicon tubes. The ENZ tubes enlarge the polarization extinction ratio (PER) and improve birefringence greatly. Moreover, optimization of the config-uration parameters is conducted to obtain high PER and birefringence at 1 THz. The proposed single-polarization HC-ARF has great potential applications in the field of polarization sensitive communication, sensors in THz band.
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页数：8
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