Single photon sources for quantum radiometry: a brief review about the current state-of-the-art

Year: 2022

Authors: Kuck S.; Lopez M.; Hofer H.; Georgieva H.; Christinck J.; Rodiek B.; Porrovecchio G.; Smid M.; Gotzinger S.; Becher C.; Fuchs P.; Lombardi P.; Toninelli C.; Trapuzzano M.; Colautti M.; Margheri G.; Degiovanni I.P.; Traina P.; Rodt S.; Reitzenstein S.

Autors Affiliation: Physikalisch-Technische Bundesanstalt (PTB), Braunschweig, Physikalisch-Technische Bundesanstalt (PTB), Braunschweig, Germany; Laboratory for Emerging Nanometrology, Braunschweig, Laboratory for Emerging Nanometrology, Braunschweig, Germany; ?eske Metrologicke Institut (CMI), Okruzni 31, Brno, 63800, ?eske Metrologicke Institut (CMI), Okruzni 31, 63800, Brno, Czech Republic; Department of Physics, Graduate School in Advanced Optical Technologies (SAOT), Friedrich Alexander University (FAU) Erlangen-N

Abstract: Single-photon sources have a variety of applications. One of these is quantum radiometry, which is reported on in this paper in the form of an overview, specifically of the current state of the art in the application of deterministic single photon sources to the calibration of single photon detectors. To optimize single-photon sources for this purpose, extensive research is currently carried out at the European National Metrology Institutes (NMIs), in collaboration with partners from universities. Single-photon sources of different types are currently under investigation, including sources based on defect centres in (nano-)diamonds, on molecules and on semiconductor quantum dots. We will present, summarise, and compare the current results obtained at European NMIs for single-photon sources in terms of photon flux, single-photon purity, and spectral power distribution as well as the results of single-photon detector calibrations carried out with this type of light sources.

Journal/Review: APPLIED PHYSICS B-LASERS AND OPTICS

Volume: 128 (2)      Pages from: 28-1  to: 28-8

More Information: This work was funded by the project 17FUN06 SIQUST. This project has received funding from the EMPIR programme co-financed by the Participating States and from the European Union´s Horizon 2020 research and innovation programme. This project (EMPIR 20FUN05 SEQUME) has received funding from the EMPIR programme co-financed by the Participating States and from the European Union´s Horizon 2020 research and innovation programme. We gratefully acknowledge the support of the Braunschweig International Graduate School of Metrology B-IGSM and the DFG Research Training Group 1952 Metrology for Complex Nanosystems. This work was also supported by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany´s Excellence Strategy-EXC-2123 QuantumFrontiers-390837967.
KeyWords: Avalanche photodiodes; Elementary particle sources; Light sources; Particle beams; Photons; Semiconductor quantum dots
DOI: 10.1007/s00340-021-07734-2

Citations: 4
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