A modified single-polarization THz fiber with epsilon-near-zero (ENZ) material

被引：2

作者：

Wang, Baoku ^{[1
]}

Tian, Fengjun ^{[1
]}

Liu, Guangyu ^{[1
]}

Yao, Chenyu ^{[1
]}

Li, Li ^{[1
]}

Yang, Xinghua ^{[1
]}

Zhang, Jianzhong ^{[1
]}

机构：

[1] Harbin Engn Univ, Key Lab In Fiber Integrated Opt, Minist Educ, Harbin 150001, Peoples R China

来源：

RESULTS IN OPTICS | 2020年 / 1卷

基金：

中国国家自然科学基金;

关键词：

Terahertz; Single polarization; Epsilon; -near; -zero; Photonic crystal fiber; PHOTONIC CRYSTAL FIBER; TIME-DOMAIN SPECTROSCOPY; POROUS FIBER; MODE; INDEX; BIREFRINGENCE; WIRES;

D O I：

10.1016/j.rio.2020.100034

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A highly birefringent square lattice terahertz (THz) photonic crystal fiber (PCF) coated with epsilon-near-zero (ENZ) material and doped with gain material is proposed for single polarization propagation. Due to introduction of the ENZ rings into square lattice, the large loss difference between the x-polarization mode and all other modes is obtained. The loss of the x-polarization mode is compensated by doping the core area with gain material. The single polarization PCF obtains a loss difference better than 13.2 dB/cm in the frequency range of 0.960-1.307 THz (bandwidth of 0.347 THz). This proposed single polarization THz PCF has some potential applications in coherent THz communication or polarimetric fiber sensor systems.

引用

页数：6

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