Physicists at the National Institute of Standards and Technology (NIST) have developed a magnetic shielding architecture that scales the physical width of superconducting nanowire single-photon detectors (SNSPDs) up to 0.1 mm (100 µm)—100 times wider than standard nanoscale SNSPDs and 20 times wider than previous state-of-the-art implementations. Published in Optica, the design uses active current [...]
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