Communications of the ACM
Quantum Entanglement Demonstrated on Tiny CubeSat in Orbit
Researchers have demonstrates quantum entanglement on a small satellite orbiting Earth.
Credit: Center for Quantum Technologies/National University of Singapore.
Researchers at the National University of Singapore (NUS) have demonstrated quantum entanglement on a new mini-satellite orbiting earth.
The SpooQy-1 mini-satellite carries a device that can produce pairs of quantum-entangled photons by shining a blue laser diode onto non-linear crystals.
SpooQy-1 is the smallest quantum satellite so far, weighing less than 5.7 pounds.
The development could help roll out a fast, secure quantum Internet, which would require a network of quantum satellites.
Said NUS's Aitor Villar, "In the future, our system could be part of a global quantum network transmitting quantum signals to receivers on Earth or on other spacecraft."
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