"Version: 202112"--Title page verso.Includes bibliographical references.1. Single-photon avalanche diodes (SPADs) -- 1.1. Basics and properties -- 1.2. Discrete dedicated SPADs -- 1.3. SPADs integrated into CMOS and BiCMOS -- 1.4. A model for photon detection probability2. Photon-counting modules -- 2.1. Quenching -- 2.2. PCMs using discrete circuits -- 2.3. PCMs using integrated circuits3. Adv…