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    • Ye Cao

    Ye Cao is an application engineer at Phlux Technology, a manufacturer of high-sensitivity avalanche photodiodes (APDs) for infrared (IR) sensing applications. He earned a Ph.D. from the University of Sheffield in IR APDs.

    (Image credit: Phlux Technology)
    FIGURE 1. Cryptographic keys ensure controlled access to communication channels.
    Detectors & Imaging

    Quantum key distribution: Secure optical communications

    Ye Cao
    Nov. 18, 2024
    Avalanche photodiodes, infrared sensors capable of detecting single photons, are at the heart of many QKD systems. Their sensitivity allows them to discern the faintest of light...