摘要
从输出光功率、信号增益、噪声指数等几个方面分析了 C- band全带 EDFA的特性 ,并针对 DWDM系统对 EDFA的各项指标如噪声指数、输出功率、增益锁定、增益平坦等的要求 ,着重分析 EDFA级联后对系统的影响 .实验结果为 :对 32波 DWDM系统 ,EDFA6级级联模拟 5× 2 5d B传输实验 ,增益平坦度为 3.5d B,光信噪比 >2 7d B,信道增减造成增益变化 <0 .6d B.
The characteristics of C band EDFA, including output power, signal gain, noise figure are studied in this paper. Based on the requirements of DWDM system, we have designed the gain flattenned EDFA used in 32 channels DWDM systems. After 5×25 dB transmission, the flatness of the output signal is below 3.5 dB, OSNR>27 dB, the dynamic variation of gain is below 0.6 dB.
出处
《光通信研究》
北大核心
2000年第4期31-33,48,共4页
Study on Optical Communications
