Researchers in China used drones to prototype a small quantum network using lasercom (18th Jan 2021)
A little background:
>A team of researchers affiliated with several institutions in China has used drones to create a prototype of a small airborne quantum network. In their paper published in the journal Physical Review Letters, the researchers describe sending entangled particles from one drone to another and from a drone to the ground.
>Computer scientists, physicists and engineers have been working over the last several years toward building a usable quantum network—doing so would involve sending entangled particles between users and the result would be the most secure network ever made. As part of that effort, researchers have sent entangled particles over fiber cables, between towers and even from satellites to the ground. In this new effort, the researchers have added a new element—drones.
Here is a link to the article in *Physical Review Letters*:
[Hua-Ying Liu et al. Optical-Relayed Entanglement Distribution Using Drones as Mobile Nodes, Physical Review Letters (2021).](https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.126.020503) DOI: 10.1103/PhysRevLett.126.020503
^(Reposted from /r/lasercom)
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