摘要
讨论了半导体激光放大器作为前置光放大器的噪声特性及其光学滤波，并提出最佳滤波带宽的概念。实验结果表明，采用具有光学滤波器的前置光放大器可使接收机灵敏度提高５ｄＢ。
The noise characteristics of a semiconductor laser amplifier used as an optical preamplifi-er and its optical fiIter are discussed. The concept of optimal filter bandwidth is proposed.Experimental results show that the receiver sensitivity is increased by 5 dB when an opticalmter is used.
出处
《华中理工大学学报》
CSCD
北大核心
1995年第4期92-95,共4页
Journal of Huazhong University of Science and Technology
关键词
前置光放大器
光学滤波器
噪声
半导体激光器件
fiber-optic commuriication
semiconductor laser amplifier
optical preamplifier
optical filter
