| 在同种光纤中实现RFA增益平坦化的方法 |
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| 引用本文： | 巩稼民,平璐,李瑞.在同种光纤中实现RFA增益平坦化的方法[J].应用光学,2012,33(3):634-637. |
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| 作者姓名： | 巩稼民 平璐 李瑞 |
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| 作者单位： | 西安邮电学院 电子工程学院， 陕西 西安 710121 |
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| 基金项目： | 陕西省自然科学基金(2000X13) |
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| 摘 要： | 提出了一种新的光纤拉曼放大器设计方法：在同一种光纤内运用不同波长的泵浦光源达到前增益后补偿的目的，最终实现在放大器输出端信号光增益谱平坦化。通过对拉曼增益谱前后沿做线性化处理，化简稳态SRS耦合波方程的解析解，最终在输出端得到了一个固定的功率输出值。模拟结果表明：所设计的放大器具有增益平坦度好、增益高的优点，且设计方法简单。该方案为增益平坦化的拉曼光纤放大器设计提供了一种新的思路。
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| 关 键 词： | 光纤通信 拉曼光纤放大器 受激拉曼散射效应 增益平坦 |
| 收稿时间： | 2011/12/28 |
Method for achieving gain-flattened Raman fiber amplifier in the same fiber |
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| GONG Jia-min
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PING Lu
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LI Rui.Method for achieving gain-flattened Raman fiber amplifier in the same fiber[J].Journal of Applied Optics,2012,33(3):634-637. |
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| Authors: | GONG Jia-min PING Lu LI Rui |
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| Institution: | School of Electronics Engineering, Xi-an University of Posts &; Telecommunications, Xi-an 710121, China |
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| Abstract: | We proposed a novel method for designing Raman fiber amplifier (RFA) which could achieve output signal gain spectra flattening by using pump lights with different wavelengths in the same fiber. We simplified the analytical solution of steady-state stimulated Raman scattering (SRS) equation by employing the linear model of leading and trailing edge of gain spectra, and obtained a constant output signal power at the output port finally. Simulation results de-monstrate that the designed RFA has advantages of flattened gain spectra, high gain as well as simple configuration. It provides a new way for the designing of gain-flattened RFA. |
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| Keywords: | optical fiber communication RFA stimulated Raman scattering gain-flattened |
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