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

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 detector...

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Published in:Applied physics. B, Lasers and optics Lasers and optics, 2022-02, Vol.128 (2), Article 28
Main Authors: Kück, Stefan, López, Marco, Hofer, Helmuth, Georgieva, Hristina, Christinck, Justus, Rodiek, Beatrice, Porrovecchio, Geiland, Šmid, Marek, Götzinger, Stephan, Becher, Christoph, Fuchs, Philipp, Lombardi, Pietro, Toninelli, Costanza, Trapuzzano, Marco, Colautti, Maja, Margheri, Giancarlo, Degiovanni, Ivo Pietro, Traina, Paolo, Rodt, Sven, Reitzenstein, Stephan
Format: Article
Language:English
Subjects:
40th anniversary of Applied Physics B (Jacob I. Mackenzie)
Applied physics
Diamonds
Electric power distribution
Engineering
Lasers
Light sources
Optical Devices
Optics
Photonics
Photons
Physical Chemistry
Physics
Physics and Astronomy
Quantum dots
Quantum Optics
Radiometry
State-of-the-art reviews
Ultraviolet radiation
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Summary: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.
ISSN:0946-2171
1432-0649
DOI:10.1007/s00340-021-07734-2