光控相控阵雷达相对于传统机械式雷达和相控阵雷达,具有更加优异的性能,可适应未来国际形势和军事上的发展需求。光电探测器作为光控相控阵雷达上的关键组件,在整个雷达系统中起着非常重要的作用,直接决定了输出微波信号的质量和雷达探测的最终效果。本文从光控相控阵雷达的基本技术需求出发分析了1.55μm波段光电探测器的必要性和重要性,并且综述了当今国际国内高速、大饱和输出光电流光电探测器的现状,指出了其未来的发展方向。 Compared with the traditional mechanical radar and phased array radar, the light-controlled phased array radar has more excellent performance and can adapt to the future international situation and military development needs. As a key component of the light-control phased array radar, the photodetector plays a very important role in the whole radar system and directly determines the quality of the output microwave signal and the final effect of the radar detection. In this paper, the necessity and importance of the 1.55μm-band photodetector are analyzed based on the basic technical requirements of the light-controlled phased array radar. The current status of high-speed and large-saturation photocurrent photodetectors in both home and abroad is reviewed. The future direction of development.