中红外波段雪崩光子探测器研究进展

Research Progress of Mid-infrared Avalanche Photodiode Detectors

近年来,中红外雪崩光电二极管(APD)阵列,以其高增益、高灵敏度和高速探测的优点,成为光纤通信、三维激光雷达成像、天文物理以及大气观测等应用的重要器件。本文具体介绍了中红外雪崩光电探测器的结构和探测原理,对其结构参数相关的性能以及优缺点进行了详细介绍,并展望其发展前景,同时介绍了一些中波红外雪崩光子探测器研究和应用进展。

In recent years,the avalanche photodiode detectors with high gain,extraordinary sensitivity and high-speed response are emerging as indispensable counterparts in the applications of fiber communication,three-dimensional lidar imaging,astrophysics and atmospheric observations.In this review,the device structures and detection principles are thoroughly discussed.Together with the advantages and defects,the dependence of substantial properties of each structure on the structural parameters is evaluated.The application prospects of each avalanche photodetector are briefly demonstrated.Moreover,some mid-infrared APD research and application advances are also introduced.