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Feb 11, 2020

Listening to quantum radio

Posted by in categories: biotech/medical, quantum physics, space

Circa 2019


Researchers at Delft University of Technology have created a quantum circuit to listen to the weakest radio signal allowed by quantum mechanics. This new quantum circuit opens the door to possible future applications in areas such as radio astronomy and medicine (MRI). It also enables experiments to shed light on the interplay between quantum mechanics and gravity. The results have been published in Science.

The usual solution to a weak radio signal is to find a bigger signal, for instance, by picking a different radio station or by moving to the other side of the room. However, m what if we could just listen more carefully?

Weak radio signals are not just a challenge for people trying to find their favourite radio station, but also for imaging (MRI) scanners at hospitals, as well as for the telescopes scientists use to peer into space. In a in radio frequency detection, researchers in the group of Prof. Gary Steele in Delft demonstrated the detection of photons or quanta of energy, the weakest signals allowed by the theory of mechanics.

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