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Main Title: Absolute calibration of a single-photon avalanche detector using a bright triggered single-photon source based on an InGaAs quantum dot
Author(s): Georgieva, Hristina
López, Marco
Hofer, Helmuth
Kanold, Niklas
Kaganskiy, Arsenty
Rodt, Sven
Reitzenstein, Stephan
Kück, Stefan
Type: Article
Abstract: We apply an InGaAs quantum dot based single-photon source for the absolute detection efficiency calibration of a silicon single-photon avalanche diode operating in Geiger mode. The single-photon source delivers up to (2.55 ± 0.02) × 106 photons per second inside a multimode fiber at the wavelength of 929.8 nm for above-band pulsed excitation with a repetition rate of 80 MHz. The purity of the single-photon emission, expressed by the value of the 2nd order correlation function g(2)(τ = 0), is between 0.14 and 0.24 depending on the excitation power applied to the quantum dot. The single-photon flux is sufficient to be measured with an analog low-noise reference detector, which is traceable to the national standard for optical radiant flux. The measured detection efficiency using the single-photon source remains constant within the measurement uncertainty for different photon fluxes. The corresponding weighted mean thus amounts to 0.3263 with a standard uncertainty of 0.0022.
Subject(s): calibration
single-photon source
InGaAs quantum dot
Issue Date: 19-Jul-2021
Date Available: 3-Nov-2021
Language Code: en
DDC Class: 530 Physik
Sponsor/Funder: DFG, 390837967, EXC 2123: QuantumFrontiers - Licht und Materie an der Quantengrenze
Journal Title: Biomedical Optics Express
Publisher: Optical Society of America
Volume: 29
Issue: 15
Publisher DOI: 10.1364/OE.430680
Page Start: 23500
Page End: 23507
EISSN: 2156-7085
TU Affiliation(s): Fak. 2 Mathematik und Naturwissenschaften » Inst. Festkörperphysik » AG Optoelektronik und Quantenbauelemente
Appears in Collections:Technische Universität Berlin » Publications

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