Research on a novel bend-resistant single-mode photonic crystal fiber

Cao Yuan; Xu Guanjie; Sun Yuxin; Shi Weihua

doi:10.13756/j.gtxyj.2015.02.012

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Research on a novel bend-resistant single-mode photonic crystal fiber

- Research on a novel bend-resistant single-mode photonic crystal fiber
- Study on Optical communication Issue 2, Pages: 39-42(2015)
- 作者机构：
  
  南京邮电大学光电工程学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2015.02.012
  CLC： TN915.63
- Published：2015，
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[1]曹原,徐冠杰,孙雨昕,施伟华.新型抗弯曲单模光子晶体光纤的研究[J].光通信研究,2015(02):39-42.

Cao Yuan, Xu Guanjie, Sun Yuxin, et al. Research on a novel bend-resistant single-mode photonic crystal fiber. [J]. (2):39-42(2015)
[1]曹原,徐冠杰,孙雨昕,施伟华.新型抗弯曲单模光子晶体光纤的研究[J].光通信研究,2015(02):39-42. DOI： 10.13756/j.gtxyj.2015.02.012.

Cao Yuan, Xu Guanjie, Sun Yuxin, et al. Research on a novel bend-resistant single-mode photonic crystal fiber. [J]. (2):39-42(2015) DOI： 10.13756/j.gtxyj.2015.02.012.

摘要

文章提出了一种对称结构的新型抗弯曲单模光子晶体光纤

采用全矢量有限元法分析了该光纤的单模特性及弯曲特性。在1 550nm波长处

光纤处于单模运转;当弯曲半径为5mm时

弯曲损耗仅为8.73×10-5 dB/圈;最小弯曲半径可达4.5mm

此时弯曲损耗为2.38×10-4 dB/圈;且无论光纤弯曲与否

其在1 550nm波长处的模场面积均约为61μm2

色散系数约为11.13ps/（nm·km）

与普通单模光纤相匹配。

Abstract

A novel bend-resistant single-mode photonic crystal fiber in a symmetrical structure is proposed in this paper.The single-mode and bending properties of the fiber are analyzed by using the full-vector finite element method.The fiber is in single-mode operation at 1 550 nm.The bending loss is only 8.73×10-5 dB/turn when the bending radius is 5 mm and it is2.38×10-4dB/turn when the minimum bending radius is 4.5mm.In addition

no matter whether the fiber is bended or not

the mode field area and chromatic dispersion are maintained at about 61μm2 and 11.13ps/（nm·km）respectively at 1 550 nm

well matched with the conventional single-mode fibers.

关键词

光子晶体光纤低弯曲损耗单模光纤到户

Keywords

photonic crystal fiberlow bending-losssingle-modeFTTH

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