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Disseminable single-photon source for quantum radiometry
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DOI：10.1063/5.0223170.png)
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We present a disseminable single-photon source based on an InGaAs quantum dot in a micro-mesa. This source achieves a maximum photon flux of (2.74 +/- 0.03) x 10(6) photons/s at a wavelength of (929.7 +/- 0.1) nm, with a multiphoton suppression of g((2))(0) = 0.22 +/- 0.02. The semiconductor chip can be installed in any cryogenic system and the compact size of all optical components facilitates easy dissemination for interlaboratory comparisons. The consistency in results regarding single-photon purity and the similarity of the measured photon fluxes across two distinct laboratory environments underscores the robustness and versatility of this single-photon source, which shows its potential to be used as a standard source for interlaboratory comparisons in quantum radiometry. (c) 2024 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
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IF:
3.6
论文数:
10.4W
被引数:
17.8W
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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.png)
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