Entanglement demonstration on board a nano-satellite

Global quantum networks for secure communication can be realized using large fleets of satellites distributing entangled photon pairs between ground-based nodes. Because the cost of a satellite depends on its size, the smallest satellites will be most cost-effective. This Letter describes a miniatur...

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Bibliographic Details
Published in:Optica 2020-07, Vol.7 (7), p.734
Main Authors: Villar, Aitor, Lohrmann, Alexander, Bai, Xueliang, Vergoossen, Tom, Bedington, Robert, Perumangatt, Chithrabhanu, Lim, Huai Ying, Islam, Tanvirul, Reezwana, Ayesha, Tang, Zhongkan, Chandrasekara, Rakhitha, Sachidananda, Subash, Durak, Kadir, Wildfeuer, Christoph F., Griffin, Douglas, Oi, Daniel K. L., Ling, Alexander
Format: Article
Language:English
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Summary:Global quantum networks for secure communication can be realized using large fleets of satellites distributing entangled photon pairs between ground-based nodes. Because the cost of a satellite depends on its size, the smallest satellites will be most cost-effective. This Letter describes a miniaturized, polarization entangled, photon-pair source operating on board a nano-satellite. The source violates Bell’s inequality with a Clauser–Horne–Shimony–Holt parameter of 2.60 ± 0.06 . This source can be combined with optical link technologies to enable future quantum communication nano-satellite missions.
ISSN:2334-2536
2334-2536
DOI:10.1364/OPTICA.387306