The noise, gain saturation and pump power conversation efficiency of bidirectionally pumped Raman fiber amplifier (RFA) are investigated in detail.
对双向抽运拉曼光纤放大器（RFA）的噪声特性、增益饱和及抽运功率转换效率进行了详细研究。
The effects of several factors on the gain spectrum of a Raman fiber amplifier (RFA) are discussed.
分析了影响拉曼光纤放大器增益谱的几个因素。
It then analyzes OSNR limitation problem of ultra-long span transmission system and proposes some solutions, including Raman Fiber Amplifier(RFA) and Remote Optically Pumped Amplifier(ROPA).
深入分析了超长站距传输系统的OSNR受限问题，提出并介绍了解决方案，重点包括光纤喇曼放大器和遥泵放大器。
It then analyzes OSNR limitation problem of ultra-long span transmission system and proposes some solutions, including Raman Fiber Amplifier(RFA) and Remote Optically Pumped Amplifier(ROPA).
深入分析了超长站距传输系统的OSNR受限问题，提出并介绍了解决方案，重点包括光纤喇曼放大器和遥泵放大器。
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