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12 July 2023 High-performance 1560 nm entangled photon source for high secure key rates QKD satellite-based communications
Jean-Marc Merolla, Benjamin Pages, Johann Cussey, Romain Martinenghi, Valentin Parra, Emmanuel Fretel, Jérôme Prieur, Jorge Piris
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Proceedings Volume 12777, International Conference on Space Optics — ICSO 2022; 1277725 (2023) https://doi.org/10.1117/12.2689969
Event: International Conference on Space Optics — ICSO 2022, 2022, Dubrovnik, Croatia
Abstract
In the frame of the Secure And cryptoGrAphic (SAGA) project under ESA ARTES 4.0 program, we report the design and the test of a High-Performance Entangled Photon Source (HP-EPS) dedicated to QKD satellite-based communication, by using the Conventional-band optical fiber telecom components. We developed an asynchronous time binning higher than 10 bits/sec and 5 bits/sec for respectively a 60 dB (LEO) and a 65 dB (GEO) transmission loss budgets (both downlinks combined). The compactness and simplicity of the optical design, the low electrical consumption and the low mass combined with the robustness of the all-fibered design to the space environment (mechanical vibrations, shock, and radiations) make the HP-EPS a valuable and serious candidate for the satellite-based QKD quest.
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Jean-Marc Merolla, Benjamin Pages, Johann Cussey, Romain Martinenghi, Valentin Parra, Emmanuel Fretel, Jérôme Prieur, and Jorge Piris "High-performance 1560 nm entangled photon source for high secure key rates QKD satellite-based communications", Proc. SPIE 12777, International Conference on Space Optics — ICSO 2022, 1277725 (12 July 2023); https://doi.org/10.1117/12.2689969
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KEYWORDS
Quantum entanglement
Satellites
Entanglement based quantum key distribution
Quantum key distribution
Signal attenuation
Astronomical imaging
Satellite communications
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