High birefringence, low loss, and flattened dispersion photonic crystal fiber for terahertz application

被引：0
|
作者：
王豆豆 [1 ]
穆长龙 [1 ]
孔德鹏 [2 ]
郭晨瑜 [1 ]
机构：
[1] College of Sciences, Xi'an University of Science and Technology
[2] The State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics,Chinese Academy of Sciences
来源：
Chinese Physics B | 2019年 / 11期
基金：
中国国家自然科学基金;
关键词：
terahertz; photonic crystal fiber; birefringence; loss; dispersion;
D O I：
暂无
中图分类号：
TN253 [光纤元件];
学科分类号：
0702 ; 070207 ;
摘要：
A type of photonic crystal fiber based on Kagome lattice cladding and slot air holes in a rectangular core is investigated. Full vector finite element method is used to evaluate the modal and propagation properties of the designed fiber.High birefringence of 0.089 and low effective material loss of 0.055 cm;are obtained at 1 THz. The y-polarized fundamental mode of the designed fiber shows a flattened and near-zero dispersion of 0±0.45 ps · THz;· cm;within a broad frequency range（0.5 THz–1.5 THz）. Our results provide the theory basis for applications of the designed fiber in terahertz polarization maintaining systems.
引用
收藏
页码：398 / 402
页数：5
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