Search Results - "Hofer, Helmuth"
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Detection of ultra-weak laser pulses by free-running single-photon detectors: Modeling dead time and dark counts effects
Published in Applied physics letters (26-04-2021)“…In quantum communication systems, the precise estimation of the detector´s response to the incoming light is necessary to avoid security breaches. The typical…”
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Journal Article -
2
Characterization of the angular-dependent emission of nitrogen-vacancy centers in nanodiamond
Published in Applied physics. B, Lasers and optics (01-10-2020)“…We report on the characterization of the angular-dependent emission of single-photon emitters based on single nitrogen-vacancy (NV-) centers in nanodiamond at…”
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Journal Article -
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Single photon sources for quantum radiometry: a brief review about the current state-of-the-art
Published in Applied physics. B, Lasers and optics (01-02-2022)“…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,…”
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4
Experimental realization of an absolute single-photon source based on a single nitrogen vacancy center in a nanodiamond
Published in Optica (20-01-2017)Get full text
Journal Article -
5
Detection efficiency calibration of single-photon silicon avalanche photodiodes traceable using double attenuator technique
Published in Journal of modern optics (28-11-2015)“…A highly accurate method for the determination of the detection efficiency of a silicon single-photon avalanche diode (Si-SPAD) is presented. This method is…”
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Absolute calibration of a single-photon avalanche detector using a bright triggered single-photon source based on an InGaAs quantum dot
Published in Optics express (19-07-2021)“…We apply an InGaAs quantum dot based single-photon source for the absolute detection efficiency calibration of a silicon single-photon avalanche diode…”
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Improvement of the detection efficiency calibration and homogeneity measurement of Si-SPAD detectors
Published in SpringerPlus (01-12-2016)“…Background Silicon single-photon avalanche diodes (Si-SPADs) are the most used devices for measuring ultra-weak optical radiant fluxes in many quantum…”
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8
Unexpected detection rate dependence of the intrinsic detection efficiency in single-photon detectors based on avalanche diodes
Published 20-12-2021“…Single-photon detectors are a pivotal component in photonic quantum technologies. A precise and comprehensive calibration of the intrinsic detection efficiency…”
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Journal Article -
9
Detection of ultra-weak laser pulses by free-running single-photon detectors: modeling dead time and dark counts effects
Published 16-04-2021“…Appl. Phys. Lett. 118, 174002 (2021) In quantum communication systems, the precise estimation of the detector's response to the incoming light is necessary to…”
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Journal Article -
10
Cryogenic radiometer-based high accurate measurement of Ge and InGaAs trap detector responsivity
Published in 2006 Conference on Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference (01-05-2006)“…We report on high accurate measurements of the spectral responsivity of Ge and InGaAs trap detectors directly against a cryogenic radiometer in the wavelength…”
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Conference Proceeding -
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Metrological validation of photodetectors by using a single photon source based on NV-centers in diamond
Published in CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference (01-06-2009)“…This work demonstrates the validation of a measurement equipment, such as a photodetector, by utilizing a single photon source that is based on laser…”
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Conference Proceeding