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应用科学学报 >

2025 , Vol. 43 >Issue 6: 909 - 921

DOI: https://doi.org/10.3969/j.issn.0255-8297.2025.06.002

通信工程

泵浦配置对高锗掺铋硅基光纤U波段放大性能影响研究

  • 田晋敏 ,
  • 郭梦婷 ,
  • 李昕 ,
  • 王 ,
  • 陈慈郢 ,
  • 张磊 ,
  • 王孟 ,
  • 于春雷 ,
  • 胡丽丽
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  • 1. 中国科学技术大学 物理学院, 安徽 合肥 230026;
    2. 中国科学院上海光学精密机械研究所 先进激光与光电功能材料部, 上海 201800;
    3. 中国科学院大学 材料与光电研究中心, 北京 100049;
    4. 中国科学院大学 杭州高等研究院, 浙江 杭州 310024

收稿日期: 2024-12-21

  网络出版日期: 2025-12-19

基金资助

国家重点研发计划（No. 2020YFB1805902）

收起

Influence of Pump Configuration on U-Band Amplification Performance of High Germanium Bismuth-Doped Silica Fiber

  • TIAN Jinmin ,
  • GUO Mengting ,
  • LI Xin ,
  • WANG Fan ,
  • CHEN Ciying ,
  • ZHANG Lei ,
  • WANG Meng ,
  • YU Chunlei ,
  • HU Lili
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  • 1. School of Physical Sciences, University of Science and Technology of China, Hefei 230026, Anhui, China;
    2. Advanced Laser and Optoelectronic Functional Materials Department, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China;
    3. Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China;
    4. Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, Zhejiang, China

Received date: 2024-12-21

  Online published: 2025-12-19

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摘要

本文基于100 m长自研高锗掺铋硅基光纤实现了1 650~1 750 nm的U波段宽带放大，并在1 720 nm处获得了28.34 dB的最高增益。同时，通过实验和数值模拟系统地研究了泵浦配置对掺铋光纤放大器放大性能的影响。模拟与实验结果表明：在低泵浦功率下双向泵浦更有利于获得高增益和低噪声指数。此外，前向泵浦下的增益受输入信号功率的影响较大，双向泵浦下次之，后向泵浦下最为稳定。该研究可为U波段掺铋光纤放大器的设计优化和应用提供参考。

关键词： 铋掺杂光纤; 光纤放大器; U波段放大

本文引用格式

田晋敏 , 郭梦婷 , 李昕 , 王 , 陈慈郢 , 张磊 , 王孟 , 于春雷 , 胡丽丽 . 泵浦配置对高锗掺铋硅基光纤U波段放大性能影响研究[J]. 应用科学学报, 2025 , 43(6) : 909 -921 . DOI: 10.3969/j.issn.0255-8297.2025.06.002

Abstract

Based on a 100 m long home-fabricated bismuth-doped silica fiber with high germanium content, the U-band broadband amplification of 1 650~1 750 nm was achieved with a maximum gain of 28.34 dB at 1 720 nm. At the same time, the influence of different pump schemes on the amplification performance of bismuth-doped fiber amplifier was systematically studied through both experiments and numerical simulations. Results show that bidirectional pumping is more conducive for achieving high gain and low noise figure at low pump power. Furthermore, the gain is greatly affected by the input signal power under forward pumping, followed by bidirectional pumping, and is most stable under backward pumping. This study can provide a reference for the design optimization and application of U-band bismuth-doped fiber amplifiers.

Key words： bismuth-doped fiber; fiber amplifier; U-band amplification

参考文献

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