Theoretical Study of Pump Power Used to Obtain Optical Solitons in Doped Photonic Crystal Fiber

ZHU Fang-xi; ZHENG Yi

doi:10.3788/fgxb20143504.0496

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Theoretical Study of Pump Power Used to Obtain Optical Solitons in Doped Photonic Crystal Fiber

更新时间：2020-08-12

- Theoretical Study of Pump Power Used to Obtain Optical Solitons in Doped Photonic Crystal Fiber
- Chinese Journal of Luminescence Vol. 35, Issue 4, Pages: 496-500(2014)
- 作者机构：
  
  北京交通大学理学院北京,100044
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20143504.0496
  CLC： TN253
- Received：13 November 2013，
  
  Revised：27 December 2013，
  
  Published Online：24 January 2014，
  
  Published：03 April 2014
- 稿件说明：
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朱方玺, 郑义,. 掺杂光子晶体光纤产生光孤子所需泵浦功率的研究[J]. 发光学报, 2014,35(4): 496-500

ZHU Fang-xi, ZHENG Yi,. Theoretical Study of Pump Power Used to Obtain Optical Solitons in Doped Photonic Crystal Fiber[J]. Chinese Journal of Luminescence, 2014,35(4): 496-500
朱方玺, 郑义,. 掺杂光子晶体光纤产生光孤子所需泵浦功率的研究[J]. 发光学报, 2014,35(4): 496-500 DOI： 10.3788/fgxb20143504.0496.

ZHU Fang-xi, ZHENG Yi,. Theoretical Study of Pump Power Used to Obtain Optical Solitons in Doped Photonic Crystal Fiber[J]. Chinese Journal of Luminescence, 2014,35(4): 496-500 DOI： 10.3788/fgxb20143504.0496.

摘要

在光纤纤芯中掺入适量GeO

有利于增加纤芯非线性折射率，提高光纤的非线性系数。利用有限元法设计了一种带宽为1.45 m的宽反常色散掺杂光子晶体光纤，其光纤可以利用低泵浦功率产生任意波长的光孤子。分析结果显示，当脉冲脉宽

FWHM

取300 fs时，产生基阶光孤子需要的最高平均泵浦功率为0.001 695 W，而产生五阶光孤子需要的最高平均泵浦功率仅0.042 38 W。

Abstract

The nonlinear refractive index and nonlinear coefficient of the fiber can be enhanced by doping GeO

into the fiber core. A special photonic crystal fiber for generating optical solitons is designed

via

the finite element method. Its bandwidth is 1.45 m around the anomalous dispersion regime. The optical solitons with any wavelength can be generated easily in this fiber at low pump power. The numerical results show that the highest average pump power used to obtain the fundamental soliton is 0.001 695 W when the pump pulse width

FWHM

is 300 fs

and it is only 0.042 38 W used to obtain the fifth-order solitons.

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references

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