Research on effects of the DCF core diameter and offset on absorption efficiency

Qiu Yi; Dong Xingfa; Liu Cuixia

doi:10.13756/j.gtxyj.2008.01.020

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Research on effects of the DCF core diameter and offset on absorption efficiency

- Research on effects of the DCF core diameter and offset on absorption efficiency
- Study on Optical communication Issue 1, Pages: 33-35(2008)
- 作者机构：
  
  1. 苏州科技学院电子与信息工程系
  2. 苏州科技学院电子与信息工程系江苏苏州215011
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2008.01.020
  CLC： TN818
- Published：2008，
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[1]裘一,董兴法,刘翠霞.双包层光纤芯径与位置影响吸收效率的研究[J].光通信研究,2008(01):33-35.

Qiu Yi, Dong Xingfa, Liu Cuixia. Research on effects of the DCF core diameter and offset on absorption efficiency. [J]. (1):33-35(2008)
[1]裘一,董兴法,刘翠霞.双包层光纤芯径与位置影响吸收效率的研究[J].光通信研究,2008(01):33-35. DOI： 10.13756/j.gtxyj.2008.01.020.

Qiu Yi, Dong Xingfa, Liu Cuixia. Research on effects of the DCF core diameter and offset on absorption efficiency. [J]. (1):33-35(2008) DOI： 10.13756/j.gtxyj.2008.01.020.

摘要

为了提高双包层光纤结构中泵浦光耦合进纤芯的效率

文章首先探索了常折射率内包层光纤中芯径与内包层尺寸比对吸收效率的影响。然后对端泵入射光进行建模

研究了纤芯偏心距的优化。数值模拟结果表明

当偏心距为R-r时

即纤芯位于内包层边缘时

吸收效率最高。文章还阐述了渐变折射率内包层对耦合效率的影响。

Abstract

In order to increase the coupling efficiency the pumped light in DCF

we first investigate the effects of the ratio of the core diameter to the inner cladding size on the absorption efficiency in DCF with a constant refractive index.Then

we study the optimization of the offset of the fiber core by simulation of the pumped light.The numerical simulation results show that the absorption efficiency is the maximum when the offset is R-r

i.e.when the core is located in the margin of the inner cladding.Finally

we discuss the effects of the inner cladding of the graded index fiber on the coupling efficiency.

关键词

双包层光纤吸收效率偏心距

Keywords

DCFabsorption efficiencyoffset

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School of Communication and Information Engineering,Shanghai University

上海大学通信与信息工程学院上海200072

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