SCIENTISTS EXCHANGED QUANTUM INFORMATION ON DAYLIGHT IN A FREE-SPACE QUANTUM KEY DISTRIBUTION

Scientists have reported a successful free-space quantum key distribution (QKD) in daylight with the self-developed polarization encoding chip for the first time. QKD is one of the most promising secure communication technologies, which encodes information into a single-photon, the smallest measurable unit of light. By using the quantum mechanical properties of the single-photon, quantum cryptography guarantees secure information exchange between...

ScienceDaily.com (Date:12/07/2018 20:29) Read full article >>

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