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September 21, 2020

Quantum model unlocks new approach to single-photon detection

Purdue University engineers have proposed a new quantum resource that could help design the next generation of single-photon detectors. The type of quantum resource that the researchers discovered is called a “giant susceptibility,” which is a violent response of a system to a tiny perturbation. This response is necessary for converting a weak signal in the quantum domain to an amplified strong signal like those used by cell phones and other classical technology.
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