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

被引：5

作者：

Wang, Dou-Dou ^{[1
]}

Mu, Chang-Long ^{[1
]}

Kong, De-Peng ^{[2
]}

Guo, Chen-Yu ^{[1
]}

机构：

[1] Xian Univ Sci & Technol, Coll Sci, Xian 710054, Shaanxi, Peoples R China

[2] Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Shaanxi, Peoples R China

来源：

CHINESE PHYSICS B | 2019年 / 28卷 / 11期

基金：

中国国家自然科学基金;

关键词：

terahertz; photonic crystal fiber; birefringence; loss; dispersion; OPTICAL-FIBERS; WAVE-GUIDES; BROAD-BAND; TRANSMISSION;

D O I：

10.1088/1674-1056/ab44af

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

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(?1) are obtained at 1 THz. The y-polarized fundamental mode of the designed fiber shows a flattened and near-zero dispersion of 0 & xfffd; 0.45 ps & xfffd; THz(?1) & xfffd; cm(?1) 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

页数：5

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