低成本的 CMOS 單光子崩潰二極體在弱光偵測的優異元件性能，與其能與電路整合成單一晶片的特性， 吸引了各種相關應用，從生醫檢測、物質檢定、光學測距、到量子通訊等的研究。本文從該元件的操作原 理出發，並藉以說明該元件的各種性能參數，最後簡述其在車用光學雷達上的應用優勢與我們的初步研究 成果。

Excellent device performance, easy integration with circuits, and low-cost CMOS single-photon avalanche diodes (SPADs) for weak light detection attract application studies on bio-medical monitoring, substance identification, optical ranging, and quantum communication. This paper begins with device operation principle to explain its performance parameters subsequently. Finally, the advantages of using SPADs for light detection and ranging in vehicles and our related results are presented.