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Phase Encoding, Photon Counting Yield Secure QR Codes

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Microscale QR codes coupled with optical phase and photon-counting encryption could be used to protect the integrity of microchips used in the most sensitive applications. QR, or Quick Response, codes — those black and white boxes that people scan with a smartphone to learn more about something — have been used to convey information about everything from cereals to cars and new homes. University of Connecticut researchers think the codes can be applied to cybersecurity as well. “An optical code or QR code can be manufactured in such a way that it is very...Read full article

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    Published: March 2015
    Research & TechnologyAmericasConnecticutUniversity of ConnecticutUCONNOpticsdefenseoptical encryptionBahram Javidiphoton countingphase encodingTech Pulse

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