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，
扫描看全文
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 43(2):268-274(2022)
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 43(2):268-274(2022) 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

School of Science， Changchun University of Science and Technology

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

National Engineering Research Center for Optoelectronic Devices， Institute of Semiconductors， Chinese Academy of Sciences， Beijing 100083， China

College of Materials Science and Opto-Electronic Technology， University of Chinese Academy of Sciences， Beijing 100049， China

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