八边形晶格双芯光子晶体光纤偏振分束器

郭士亮; 黄惠; 沙晓鹏; 胡春海; 李志全

doi:10.3788/fgxb20143507.0878

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八边形晶格双芯光子晶体光纤偏振分束器

发光学应用及交叉前沿 | 更新时间：2020-08-12

- 八边形晶格双芯光子晶体光纤偏振分束器
- Polarization Splitter Based on Octagonal Dual-core Photonic Crystal Fibers
- 发光学报 2014年35卷第7期页码：878-882
- 作者机构：
  
  燕山大学电气工程学院,河北秦皇岛,066004
- 作者简介：
- 基金信息：
  
  国家自然科学基金（61172044，61107039）();河北省自然科学基金（F2012203204）资助项目()
- DOI：10.3788/fgxb20143507.0878
  中图分类号： O431
- 收稿日期：2014-01-29，
  
  修回日期：2014-05-16，
  
  纸质出版日期：2014-07-03
- 稿件说明：
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郭士亮, 黄惠, 沙晓鹏等. 八边形晶格双芯光子晶体光纤偏振分束器[J]. 发光学报, 2014,35(7): 878-882

GUO Shi-liang, HUANG Hui, SHA Xiao-peng etc. Polarization Splitter Based on Octagonal Dual-core Photonic Crystal Fibers[J]. Chinese Journal of Luminescence, 2014,35(7): 878-882
郭士亮, 黄惠, 沙晓鹏等. 八边形晶格双芯光子晶体光纤偏振分束器[J]. 发光学报, 2014,35(7): 878-882 DOI： 10.3788/fgxb20143507.0878.

GUO Shi-liang, HUANG Hui, SHA Xiao-peng etc. Polarization Splitter Based on Octagonal Dual-core Photonic Crystal Fibers[J]. Chinese Journal of Luminescence, 2014,35(7): 878-882 DOI： 10.3788/fgxb20143507.0878.

摘要

分别以碲玻璃和SF6玻璃作为基质材料，设计制作了一种基于双折射效应的新型八边形晶格双芯光子晶体光纤偏振分束器。应用全矢量有限元法（FEM）分析了碲玻璃和SF6两种双芯光子晶体光纤中结构参数对双折射和相对耦合长度特性的影响，数值模拟了碲玻璃和SF6两种偏振分束器的性能。结果表明：在碲玻璃和SF6两种双芯光子晶体光纤中，增大椭圆率可同时增加结构的双折射和相对耦合长度，与SF6玻璃偏振分束器相比较，碲玻璃偏振分束器具有更高的消光比和更大的带宽，即在工作波长为1.55 m处，消光比达到最小值-53.46 dB，且消光比小于-20 dB的带宽为120 nm。

Abstract

Based on the birefringence effect

a novel duel-core photonic crystal fiber polarization beam splitter was proposed. Tellurite glass and SF6 glass were used as the material for the PCF

respectively. Using the full-vector finite element method (FEM)

the effects of structural parameters on birefringence and relative coupling length were analyzed

and the characteristics of the splitters

such as coupling length

extinction ratio and bandwidth were simulated. The numerical simulation results demonstrate that the tellurite glass splitter has higher extinction ratio and bandwidth than the SF6 glass splitter. The extinction ratio of the tellurite glass splitter is -53.46 dB at the wavelength of 1.55 m

and the bandwidth is over 120 nm when the extinction ratio is less than -20 dB.

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Keywords

references

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