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Quantum Key System Uses Unbreakable Light-Based Encryption to Secure Data

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OXFORD, England, March 21, 2017 — A device that can send unbreakable secret keys from a handheld device to a terminal could keep users' personal financial information more secure and safer in the event of a cyber-attack. Researchers from Oxford University are using ultrafast LEDs and moveable mirrors to send a secret key from a device at a rate of more than 30 kilobytes per second over a distance of 0.5 meters. "The idea is that this gadget would be a mobile object that talks to something that is fixed," said Iris Choi of Oxford University. “If integrated into a cellphone, for example, the device could allow...Read full article

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    Published: March 2017
    FiltersmirrorsOxford UniversityOxfordreserach & technologyLaserseducationLEDsLight SourcesIris ChoiEuropeOpticsSensors & DetectorsTest & Measurementdefensemobile devicebeam-steering system

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