Simulation of 1 550 nm Femtosecond Pulse Self-similar Fiber Amplification

Xiao-yu BAI; Ji WANG; Xu-dong SUN; Su-meng JIA; Xin-yu GUO; Yong-xi ZHANG; Guo-zheng WANG

doi:10.37188/CJL.20210319

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Simulation of 1 550 nm Femtosecond Pulse Self-similar Fiber Amplification

Theoretical Calculation and Spectral Analysis | 更新时间：2022-02-25

- Simulation of 1 550 nm Femtosecond Pulse Self-similar Fiber Amplification
  增强出版
- Chinese Journal of Luminescence Vol. 43, Issue 2, Pages: 268-274(2022)
- 作者机构：
  
  1.长春理工大学　物理学院，吉林　长春　130022
  2.鹏城实验室　数学与理论部，广东　深圳　518000
- 作者简介：
- 基金信息：
  
  Science and Technology Development Program of Jilin Province(20190302125GX)
- DOI：10.37188/CJL.20210319
  CLC： TN248.4
- Published：2022-02，
  
  Received：13 October 2021，
  
  Revised：01 November 2021，
- 稿件说明：
移动端阅览
XIAO-YU BAI, JI WANG, XU-DONG SUN, et al. Simulation of 1 550 nm Femtosecond Pulse Self-similar Fiber Amplification. [J]. Chinese journal of luminescence, 2022, 43(2): 268-274.
DOI：

XIAO-YU BAI, JI WANG, XU-DONG SUN, et al. Simulation of 1 550 nm Femtosecond Pulse Self-similar Fiber Amplification. [J]. Chinese journal of luminescence, 2022, 43(2): 268-274. DOI： 10.37188/CJL.20210319.

摘要

针对全光纤的超短脉冲掺铒光纤放大器进行了仿真模拟，对正常色散条件下掺铒光纤自相似脉冲放大过程进行了详细分析。在光纤预放大器中，使用高正色散掺铒光纤对脉冲形状进行预整形，将重复频率43 MHz、脉冲宽度600 fs、平均输出功率1.2 mW的孤子型锁模脉冲预整形为抛物线型脉冲，预整形后的脉冲通过光纤主放大器进行功率放大。经两级光纤放大后，1.2 mW的信号光功率放大为102 mW，放大增益19.3 dB。分析了掺铒光纤长度、放大功率对脉冲自相似演化过程的影响。放大后的脉冲经4.4 m长单模光纤将脉冲宽度压缩至53 fs，峰值功率为44.8 kW。

Abstract

In this paper

an all-fiber structure of ultrashort pulse erbium-doped fiber amplifier was simulated

and the self-similar pulse amplification processed of erbium-doped fiber under normal dispersion conditions was analyzed in detail. In the fiber pre-amplifier

a high positive dispersion erbium-doped fiber was be used to pre-shape the pulse shape. The soliton mode-locked pulse with the repetition frequency of 43 MHz

pulse width of 600 fs

and average output power of 1.2 mW was pre-shaped into a parabolic pulse. The pre-shaped pulse is amplified by the optical fiber main amplifier. After two-stage optical fiber amplification

the signal optical power of 1.2 mW was amplified to 102 mW

and the amplification gain was 19.3 dB. The influence of erbium-doped fiber length and amplification power on the evolution of pulse self-similarity was analyzed in this article. The amplified pulse was compressed to 53 fs through 4.4 m long single-mode fiber and the peak power was 44.8 kW.

关键词

光纤放大器自相似正常色散掺铒光纤超短脉冲仿真模拟

Keywords

fiber amplifierself-similaritynormal dispersion erbium-doped fiberultrashort pulsesimulation

references

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Related Institution

Department of Mathematics and Theories， Peng Cheng Laboratory， No.2， Xingke 1st Street， Nanshan

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北京交通大学光波技术研究所

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