Objectives:
Overview of modern single-photon detectors: basic characteristics, principle of operation, areas of application, challenges in development and optimization of detectors and detection systems.

Topics:
Introduction
Basic characteristics and types of detectors and detection systems
Areas of applications of single-photon detectors (SPD) and key requirements for SPD
Photomultiplier tubes and microchannel plates detectors
Avalanche photodiodes
Visible light photon counter
Quantum dot FET
Up-conversion SPD
Basics of superconductivity
Transition edge sensors
Superconducting tunnel junctions
Superconducting nanowire single-photon detector