Quantum radar is a hypothetical remote-sensing method based on quantum entanglement.
One possible implementation of such technology has been developed and patented by defense contractor Lockheed Martin. It intends to create a radar system which provides a better resolution and higher detail than classical radar can provide.
The technology is hoped to work by using photon entanglement to allow several entangled photons to function as if a shorter wavelength was used to allow detection of small details while having an overall longer group wavelength that allows long distance transmission.
One advantage of a quantum radar system is that it automatically detects deceptive jamming, which might otherwise go unnoticed.
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- Marco Lanzagorta, Quantum Radar, Morgan & Claypool (2011).
- "Quantum Imaging Technique Heralds Unjammable Aircraft Detection."