基于高非线性光纤的增益谱平坦拉曼光纤放大器研究

巩稼民, 赵云, 冷斌

巩稼民, 赵云, 冷斌. 基于高非线性光纤的增益谱平坦拉曼光纤放大器研究[J]. 应用光学, 2014, 35(2): 353-358.
引用本文: 巩稼民, 赵云, 冷斌. 基于高非线性光纤的增益谱平坦拉曼光纤放大器研究[J]. 应用光学, 2014, 35(2): 353-358.
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GONG Jia-min, ZHAO Yun, LENG Bin. Gain-flattened Raman fiber amplifier based on highly nonlinear fiber[J]. Journal of Applied Optics, 2014, 35(2): 353-358.
Citation: GONG Jia-min, ZHAO Yun, LENG Bin. Gain-flattened Raman fiber amplifier based on highly nonlinear fiber[J]. Journal of Applied Optics, 2014, 35(2): 353-358.
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基于高非线性光纤的增益谱平坦拉曼光纤放大器研究

  • 1.

    西安邮电大学 电子工程学院,陕西 西安 710121;

  • 2.

    西安邮电大学 通信与信息工程学院,陕西 西安 710121

详细信息
    通讯作者:

    赵云（1990-），男，陕西延安人，研究生，主要从事光通信技术研究。 Email:zhaoyuo901015@163.com

  • 中图分类号: TN929.11;TN722

Gain-flattened Raman fiber amplifier based on highly nonlinear fiber

  • 1.

    School of Electronics Engineering,Xi-an University of Posts and Telecommunications,Xi-an 710121,China;

  • 2.

    School of Communication and Information Engineering,Xi-an University of Posts and Telecommunications,Xi-an 710121,China

摘要

    摘要
  • 摘要: 针对光纤通信中密集波分复用系统各信道的在线平坦光放大这一光通信问题,提出利用级联高非线性光纤来设计增益平坦的拉曼光纤放大器。对高非线性光纤(AsS光纤)拉曼增益谱前后沿进行线性拟合处理，利用不同波长泵浦抽运同种光纤，实现前放大后增益补偿，并考虑信号光损耗不同，在输出端得到了一个近似固定的功率输出值，并分析了影响拉曼光纤放大器输出特性的因素。模拟结果表明：平均增益为20.45 dB，增益平坦度为0.15 dB。
    Abstract: In order to realize the flat inline amplification of all dense wavelength division multiplexing(DWDM) transmission channels in optical fiber communication systems, it was proposed to get gain-flattened Raman fiber amplifier based on cascading highly nonlinear fiber. An approximate value of output signal power at the output port was finally obtained considering different signal light losses, when the linear method was used for obtaining the Raman gain spectrum. Moreover, the average gain and gain flatness were 20.45 dB and 0.15 dB, respectively. Then, the factors for the output characteristics of Raman fiber amplifier were analyzed. Simulation results demonstrate that the designed Raman fiber amplifier has advantages of high gain, smaller gain flatness as well as simple configuration.
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  • 刊出日期:  2014-03-14

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