Scientists demonstrate ultra-secure, long-distance quantum key distribution

Scientists at Los Alamos National Laboratory and the National Institute of Standards and Technology in Boulder have demonstrated unconditionally secure quantum key distribution (QKD) over a record-setting 107 kilometers of optical fiber. The work is a significant step towards enabling communication with an unprecedented level of security over long distances of optical fiber.

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<p><a href="http://www.physorg.com/news86020679.html">Scientists demonstrate ultra-secure, long-distance quantum key distribution</a></p> <p>Scientists at Los Alamos National Laboratory and the National Institute of Standards and Technology in Boulder have demonstrated unconditionally secure quantum key distribution (QKD) over a record-setting 107 kilometers of optical fiber. The work is a significant step towards enabling communication with an unprecedented level of security over long distances of optical fiber.</p>