双包层太赫兹光子晶体光纤的传输特性

胡守重; 侯尚林; 刘延君; 王道斌; 雷景丽

doi:10.3788/fgxb20163707.0845

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双包层太赫兹光子晶体光纤的传输特性

器件制备及器件物理 | 更新时间：2020-08-12

- 双包层太赫兹光子晶体光纤的传输特性
- Propagation Characteristics of Terahertz Wave Double-cladding Photonic Crystal Fiber
- 发光学报 2016年37卷第7期页码：845-851
- 作者机构：
  
  兰州理工大学理学院,甘肃兰州,730050
- 作者简介：
- 基金信息：
  
  国家自然科学基金(61167005,61367007)();甘肃省自然科学基金(1112RJZA018,1112RJZA017)资助项目()
- DOI：10.3788/fgxb20163707.0845
  中图分类号： TN292.11
- 纸质出版日期：2016-7-5，
  
  收稿日期：2016-1-25，
  
  修回日期：2016-3-10，
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胡守重, 侯尚林, 刘延君等. 双包层太赫兹光子晶体光纤的传输特性[J]. 发光学报, 2016,37(7): 845-851

HU Shou-zhong, HOU Shang-lin, LIU Yan-jun etc. Propagation Characteristics of Terahertz Wave Double-cladding Photonic Crystal Fiber[J]. Chinese Journal of Luminescence, 2016,37(7): 845-851
胡守重, 侯尚林, 刘延君等. 双包层太赫兹光子晶体光纤的传输特性[J]. 发光学报, 2016,37(7): 845-851 DOI： 10.3788/fgxb20163707.0845.

HU Shou-zhong, HOU Shang-lin, LIU Yan-jun etc. Propagation Characteristics of Terahertz Wave Double-cladding Photonic Crystal Fiber[J]. Chinese Journal of Luminescence, 2016,37(7): 845-851 DOI： 10.3788/fgxb20163707.0845.

摘要

为了在太赫兹波段实现远距离宽频带传输

设计了一种具有低吸收损耗的环烯烃共聚物(COC)作为基底材料双包层太赫兹光子晶体光纤。利用全矢量有限元法及模式选择理论

数值模拟了该光纤的单模传输范围、限制损耗、色散以及有效模场面积等特性。结果表明:优化结构参数可使在1~10 THz范围内基模限制损耗小于0.1 dB/m

二阶模限制损耗大于1 dB/m。因此可以获得1~10 THz的宽频带单模传输并且在1.5~10 THz内群速度色散可以控制在0.1 ps/(THzcm)。

Abstract

In order to realize long distance and broadband transmission of terahertz wave

a double-cladding terahertz photonic crystal fiber was designed based on Topas cyclic olefin copolymer with low loss. The single-mode transmission range

confinement loss

dispersion and effective area of the double-cladding terahertz photonic crystal fiber were investigated by using the full-vector finite element method (FEM) and the mode choice theory. The results show that the confinement loss of the fundamental mode is far less than 0.1 dB/m and the confinement loss of second-order mode loss is larger than 1 dB/m at frequency range of 1-10 THz by tailoring the structure parameters. The broadband single mode transmission operates at bandwidth of 1-10 THz

and the group velocity dispersion (GVD) can be controlled at 0.1 ps/(THzcm) in the range of 1.5-10 THz.

关键词

太赫兹波光子晶体光纤单模传输损耗色散

Keywords

terahertzphotonic crystal fibersingle modeconfinement lossdispersion

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