Highly Birefringent, Low Flattened Dispersion Photonic Crystal Fiber in the Terahertz Region

被引：15
|
作者：
Wang, Biao [1 ]
Jia, Chunrong [1 ]
Yang, Jiantan [1 ]
Di, Zhigang [1 ]
Yao, Jianquan [2 ]
Zhang, Jingxuan [1 ]
机构：
[1] North China Univ Sci & Technol, Coll Elect Engn, Tangshan 063210, Peoples R China
[2] Tianjin Univ, Key Lab Optoelect Informat Sci & Technol, Minist Educ, Coll Precis Instrument & Optoelect Engn, Tianjin 300072, Peoples R China
来源：
IEEE PHOTONICS JOURNAL | 2021年 / 13卷 / 02期
关键词：
Bending; Optical fiber polarization; Refractive index; Optical fiber dispersion; Lattices; Finite element analysis; Optical losses; Photonic crystal fiber; birefringence; dispersion; bending loss; terahertz; TIME-DOMAIN SPECTROSCOPY; OPTICAL-FIBERS; POROUS FIBERS; DESIGN; MODE;
D O I：
10.1109/JPHOT.2021.3057698
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：
High-performance photonic crystal fiber (PCF) has an important impact on the development of the full potential of complex terahertz systems. A new kind of PCF with D-shaped air holes in core region was proposed for terahertz (THz) region. The numerical simulation results showed that the proposed PCF has a flat dispersion of 0.09 +/- 0.28 ps/THz/cm at 0.8-1.2 THz. At 1 THz, an ultra-high birefringence of 0.0595, a low effective material loss (EML) of 0.0557 cm(-1), and dispersion that can be considered zero were obtained. In addition, other characteristics of the proposed PCF were strictly analyzed, such as confinement loss, bending loss, and effective mode area. The PCF is expected to be used for short distance propagation of terahertz, polarization maintaining and sensing applications of terahertz waves
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页数：11
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