中文摘要：

主要介绍半导体光放大器在微波光子移相器中的应用及其研究进展。分析基于半导体光放大器相干布居振荡效应的微波光子移相器的主要方案及特点,讨论该领域目前需要解决的主要问题和未来的发展趋势。

英文摘要：

In this paper, the applications of semiconductor optical amplifiers in microwave photonic phase shifiers are introduced and the research progress is reviewed. The important schemes and key characters of microwave photonic phase shifters using coherent population oscillations in semiconductor optical amplifiers are discussed. Based on the conclusions, the key problems needed to solve and research directions in this area in the future are concluded.