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Generating Quantum Random Numbers Using Entanglement in Low Earth Orbit
[post]
2021
unpublished
Preserved Fulltext
We describe the implementation of a quantum random number generator (QRNG) on-board a nanosatellite deployed to low Earth orbit (LEO). The generator samples shot noise from an entangled photon-pair source based on spontaneous parametric down conversion, linking the entropy of the QRNG to fluctuations in the vacuum field. We present analysis of data acquired in lab-based acceptance testing as well as on-orbit, and use the source to implement a prototype for an off-grid randomness beacon.
doi:10.21203/rs.3.rs-690179/v1
fatcat:g5uhk2nllbcivkx4n6rk2upste