Incoming links: Silicon photomultiplier
The particular case of the double-slit experiment will be discussed at: single particle double slit experiment.
Detectors are generally called photomultipliers:
Bibliography:
- iopscience.iop.org/book/978-0-7503-3063-3.pdf Quantum Mechanics in the Single Photon Laboratory by Waseem, Ilahi and Anwar (2020)
How to use an SiPM - Experiment Video by SensLTech (2018)
Source. Single-photon detectors - Krister Shalm by Institute for Quantum Computing (2013)
Source.