掺铒光纤放大器(EDFA)和拉曼放大器(FRA)的使用，使得光纤通信系统中的入纤功率有了很大的提高。
The implement applications of erbium doped fiber amplifier (EDFA) and fiber Raman amplifier (FRA) make the launching power in optical fiber communications systems increased significantly.
概述了拉曼光纤放大器(FRA)和掺铒光纤放大器(EDFA)的理论模型，据此计算它们的增益谱。
The theoretical models of Fiber Raman Amplifier (FRA) and Erbium Doped Fiber Amplifier (EDFA) are presented, and their gain spectra are accordingly calculated.
采用光子转换理论和数值分析方法，研究了采用DCF光纤的喇曼放大器和掺铒光纤放大器组成的混合放大器在DWDM系统中的应用。
This paper studies the application of Hybrid Fiber Amplifier (HFA) in DWDM systems. The HFA is composed of EDFA and FRA that adoptes DCF as its transmitting fiber.
研究了新型的三段级联泵浦优配的掺铒光纤放大器的优化光路结构，得到高增益，低噪声，大输出功率的掺铒光纤放大器；
We also experimentally demonstrate a novel three-stage erbium-doped fiber amplifier with high gain, low noise figure, and high output power.
实验分析和比较了光纤拉曼放大器和掺铒光纤放大器中的增益竞争影响。
The gain competition effects in the fiber Raman amplification (FRA) and EDF amplification are analyzed and compared experimentally.
光纤放大器是实现全光网络的关键性部件，目前广泛使用掺铒光纤放大器。
Fiber amplifier is one of the key components to realize all optical fiber communication network. Erbium-doped fiber amplifier is applied widely just now.
本论文的主要内容有：1、介绍了掺铒光纤放大器的三能级结构，并推导了掺铒光纤放大器的原子速率方程和功率传输方程。
Introduce the three energy level of EDFA and deduce the rate equation for population changes and propagation equation for pump and signal beams.
实验结果表明，与普通掺铒光纤放大器相比，二者的自发辐射谱形状基本相同，但是掺铒布拉格光纤放大器的效率较低。
The results show that, compared with conventional Er3+-doped fiber amplifier, Bragg fiber amplifier has similar amplified spontaneous emission but lower gain.
实验结果表明，与普通掺铒光纤放大器相比，二者的自发辐射谱形状基本相同，但是掺铒布拉格光纤放大器的效率较低。
The results show that, compared with conventional Er3+-doped fiber amplifier, Bragg fiber amplifier has similar amplified spontaneous emission but lower gain.
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