Design of broadband single-polarization filter based on simple structure photonic crystal fiber with gold-coated air holes

被引：3

作者：

An, Sinuo ^{[1
,2
]}

Hu, Chunjie ^{[3
]}

Zhou, Lei ^{[4
]}

Yi, Zao ^{[5
]}

Liu, Chao ^{[1
,2
]}

Lv, Jingwei ^{[1
,2
]}

Yang, Lin ^{[1
,2
]}

Chu, Paul K. ^{[6
,7
]}

机构：

[1] Northeast Petr Univ, Sch Phys & Elect Engn, Daqing 163318, Peoples R China

[2] Heilongjiang Prov Cultivate Collaborat Innovat Ct, Daqing 163318, Peoples R China

[3] Harbin Med Univ, Affiliated Hosp 4, Dept Gynecol & Obstet, Harbin 150001, Peoples R China

[4] Harbin Med Univ, Affiliated Hosp 2, Dept Orthoped, Harbin 150001, Peoples R China

[5] Southwest Univ Sci & Technol, Joint Lab Extreme Condit Matter Properties, Mianyang 621010, Sichuan, Peoples R China

[6] City Univ Hong Kong, Dept Phys, Dept Mat Sci & Engn, Tat Chee Ave, Hong Kong, Peoples R China

[7] City Univ Hong Kong, Dept Biomed Engn, Tat Chee Ave, Hong Kong, Peoples R China

来源：

MODERN PHYSICS LETTERS B | 2021年 / 35卷 / 30期

基金：

中国国家自然科学基金;

关键词：

Single-polarization filter; surface plasmon resonance; confinement loss; cross-talk; TEMPERATURE SENSOR;

D O I：

10.1142/S021798492150473X

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A polarization filter based on simple structure photonic crystal fiber (PCF) coated with gold air holes is designed in this work. The full vector finite element method (FEM) is used to calculate the characteristic parameters of PCF. In the final numerical simulation results, the loss peak in the y polarization direction is 2305.72 dB/cm and the x-polarized loss is as low as 75.86 dB/cm at 1.31 rho m. For the fiber length of 1000 mu m, the CT reaches 1936.83 dB and a wide bandwidth greater than 20 dB can provide above 800 nm. The content of this paper can provide a new idea for filter structure design.

引用

页数：9

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