半导体光放大器的增益特性和偏振特性

The gain and polarization characteristics of semiconductor optical amplifiers

介绍了半导体光放大器的两个重要特性:增益特性和偏振特性。增益特性中,描述了放大器中增益调制现象和增益饱和现象,并介绍了提高半导体光放大器增益的方法。偏振特性中,分析了半导体光放大器增益偏振敏感产生的原因,并列举了低偏振敏感度放大器的实现方法。最后报道了近几年才被注意的半导体光放大器相位偏振敏感特性。

The two important characteristics of semiconductor optical amplifiers （SOA）, gain and polarization, are introduced completely. In the section of gain characteristic, the phenomena of gain modulation and gain saturation are described. The methods to enhance the gain of SOA are presented. In the other section,the reasons resulting in polarization sensitivity of SOA are analyzed and the way to perform SOA with low gain polarization sensitivity is discussed. At last , the phenomenon of the phase polarization sensitivity in SOA paid much attention in recent years is reported.