A brief review is given of the major technologies for the SPDs, including temperature control and Geiger mode operation especially the gated mode operation, and the methods to choose from commercially available InGaAs/InP APDs for the SPDs are discussed.

• 主要介绍了单光子探测用InGaAs/InPAPD的选择和实现红外单光子探测器的关键技术:半导体制冷精密温控技术和APD的驱动控制技术,重点介绍了门控电路。