Science
Quantum receiver capable of detecting full spectrum of radio waves – E&T Magazine
A quantum sensor has been developed that can analyse the full spectrum of radio frequencies, which could enable new options for military communication.
A quantum sensor has been developed that can analyse the full spectrum of radio frequencies, which could enable new options for military communication.
Researchers for the US army built the quantum sensor, which can sample from zero frequency up to 20GHz, detecting AM and FM radio, Bluetooth, Wi-Fi and other communication signals along the way.
Dubbed the ‘Rydberg sensor’, it uses laser beams to create highly excited Rydberg atoms directly above a microwave circuit, to boost and hone in on the…
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