Perspective on Solid-State Single-Photon Sources in the Infrared for Quantum Technology

Abstract

Solid-state single-photon sources in the infrared region are crucial for advancing quantum technologies, in particular long-distance fiber or on-chip quantum communication, quantum key distribution, quantum computing, quantum sensing and metrology, and fundamental research. The ability to generate and manipulate individual photons in the infrared spectrum is an area of expansion due to the availability of advanced material quality or new emerging materials. The latest advancements in the discovery and utilization of single-photon sources in various material platforms and their foreseeable future development are here summarized.