Polarization filter based on plasmonic photonic crystal fiber with asymmetry around Au-coated and liquid-filled air holes

被引：9

作者：

Lou, Junbo ^{[1
,2
]}

Li, Shuguang ^{[1
]}

Cheng, Tonglei ^{[1
]}

Yan, Xin ^{[1
]}

Zhang, Xuenan ^{[1
]}

Shao, Yaonan ^{[1
]}

机构：

[1] Northeastern Univ, Coll Informat Sci & Engn, Shenyang 110819, Liaoning, Peoples R China

[2] Tie Ling Normal Coll, Inst Engn & Technol, Tieling 112000, Peoples R China

来源：

OPTIK | 2017年 / 149卷

基金：

中国国家自然科学基金;

关键词：

Photonic crystal fibers; Birefringence; Polarization filter; CORE; PCF; RESONANCE; INDEX; WIRE;

D O I：

10.1016/j.ijleo.2017.09.047

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A novel photonic crystal fiber polarization filter with Au-coated and liquid-filled air holes is designed in this paper. The coupling theory is introduced to explain the complete coupling and incomplete coupling. We can adjust the resonance point to the communication band by optimizing the parameters of the fiber structure. Numerical simulation results demonstrate that the resonance strength can reach 434 dB cm(-1) at the communication wavelength of 1.31 mu m in x-polarized direction, By filling liquid analyte can help adjust the resonance peak to the proper place. Furthermore, when the fiber length of L equals to 0.1 cm, the crosstalk peak value can reach 353.74 dB at the wavelength of 131 mu m, and the bandwidth of the crosstalk better than 20 dB can reach 80 nm when the length of the fiber L is 400 mu m. These characteristics make it a promising candidate for designing new types of polarization filter devices. (C) 2017 Elsevier GmbH. All rights reserved.

引用

页码：162 / 168

页数：7

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