[1]顾达,施伟华. 新型THz微结构传输光纤的仿真设计[J].计算机技术与发展,2015,25(02):230-233.
　GU Da,SHI Wei-hua. Simulation Design of New THz Microstructure Optical Fiber[J].,2015,25(02):230-233.
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 新型THz微结构传输光纤的仿真设计()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
25
期数:
2015年02期
页码:
230-233
栏目:
应用开发研究
出版日期:
2015-02-10

文章信息/Info

Title:
 Simulation Design of New THz Microstructure Optical Fiber
文章编号:
1673-629X（2015)02-0230-04
作者:
 顾达; 施伟华
 南京邮电大学 光电工程学院
Author(s):
 GU Da; SHI Wei-hua
关键词:
 ; 太赫兹; 光子晶体光纤; 低损耗; 近零平坦色散
Keywords:
 ; TeraHertz ( THz); Photonic Crystal Fiber ( PCF);  low loss; nearly zero and flat dispersion
分类号:
TN252
文献标志码:
A
摘要:
 近几年,太赫兹( THz)波及其相关技术的研究逐渐成为热点,因此寻找一种低损耗、近零平坦色散的THz波导成为研究的目标。文中运用全矢量有限元法,并利用COMSOL软件设计了一种新型THz波光子晶体光纤,其包层的孔间距恒定、各层孔直径变化；对所设计的新型THz光子晶体光纤的损耗、色散特性进行数值计算与优化。计算结果表明,这种THz光子晶体光纤工作在130~140μm(2.1~2.3 THz)之间时,损耗值低于0.06 dB/km,色散值在0.2 ps/( nm·km)到0.27 ps/(nm·km)之间,色散斜率为0.6 ps/(nm·km2),可以实现长距离、高性能THz波传输。
Abstract:
 n recent years,THz and its related technologies has become a hot research,so a kind of THz waveguide with low loss,nearly zero and flat dispersion attracts wide attention and research interest. A new type of THz photonic crystal fiber is designed with full vector Finite Element Method ( FEM) ,in which the hole spacing of its package layer is constant,hole diameter of each layer is changing. Its loss and dispersion characteristics is calculated and optimized. The results show that the loss value is lower than 0. 06 dB/km,the dispersion valueisbetween0.2ps/(nm·km)to0.27ps/(nm·km),thedispersionslopeis0.6ps/(nm·km2)whenthiskindofTHzphoton-ic crystal fiber works between 130 μm and 140 μm(2. 1 THz to 2. 3 THz),the PCF can transmit with high performance and long dis-tance.

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更新日期/Last Update: 2015-04-30