Design and Analysis of High MDGD Micro-Structured Few-Mode Fiber

ZHANG Wei; CHEN He-ming

doi:10.13756/j.gtxyj.2017.04.008

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Design and Analysis of High MDGD Micro-Structured Few-Mode Fiber

- Design and Analysis of High MDGD Micro-Structured Few-Mode Fiber
- Study on Optical communication Issue 4, Pages: 26-29(2017)
- 作者机构：
  
  1. 南京邮电大学光电工程学院
  2. 南京邮电大学贝尔英才学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2017.04.008
  CLC： TN253
- Published：2017，
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[1]张伟,陈鹤鸣.大MDGD微结构少模光纤的设计与性能分析[J].光通信研究,2017(04):26-29.

ZHANG Wei, CHEN He-ming. Design and Analysis of High MDGD Micro-Structured Few-Mode Fiber. [J]. (4):26-29(2017)
[1]张伟,陈鹤鸣.大MDGD微结构少模光纤的设计与性能分析[J].光通信研究,2017(04):26-29. DOI： 10.13756/j.gtxyj.2017.04.008.

ZHANG Wei, CHEN He-ming. Design and Analysis of High MDGD Micro-Structured Few-Mode Fiber. [J]. (4):26-29(2017) DOI： 10.13756/j.gtxyj.2017.04.008.

摘要

针对模分复用系统中模式串扰问题

提出一种具有大模式差分群时延的微结构少模光纤

利用基于全矢量有限元分析法的Comsol计算其模场分布和有效折射率

同时分析光纤的模式差分群时延。仿真结果表明:该光纤在1.55μm波长处

、LP

与LP

的模式差分群时延分别为8.45、19.28和23.25ps/m

与传统的少模光纤相比

该少模光纤具有良好的大模式差分群时延特性

能有效解决模间串扰问题

在模分复用系统中有着重要的应用。

Abstract

In order to solve the mode crosstalk in the mode division multiplexing system

this paper proposes a kind of microstructured few-mode fiber with high Mode Differential Group Delay（MDGD）.The mode field distribution and the effective index are studied by using the Comsol software based on full-vector finite element method

and the MDGD is also analyzed.Simulation results show that the MDGD of LP11

LP21

LP02 versus LP01are 8.45

19.28

23.25ps/m

compared with the traditional few-mode fiber.It is also shown that the designed few-mode fiber has excellent high MDGD characteristics

which can solve the mode crosstalk problem efficiently

which may have important application in the mode division multiplexing system.

关键词

模分复用微结构光纤有限元分析法有效折射率模式差分群时延

Keywords

mode division multiplexingmicro-structured fiberfinite element analysiseffective refractive indexmode differential group delay

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Baer Institute of Excellence,Nanjing University of Posts and Telecommunications

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