Continuous variable payload transmitter for the SPOQC mission
Vinod N. Rao, Killian Murphy, Timothy Ayers, Fadi Ahwal, Timothy P. Spiller, Rupesh Kumar
Abstract
The continuous variable (CV) quantum key distribution (QKD) scheme enables two parties to share a secret key separated by a certain distance. Here we propose, design, build, test and show results of a CV payload transmitter, intended to demonstrate downlink based QKD from a CubeSat in low earth orbit. This is part of the SPOQC mission by Quantum Communications Hub, UK which was successfully launched on March 2026.
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