Designer Diamonds Could Help Build Quantum Internet

A new kind of artificial diamond is a cut above the rest for quantum memory.

Unlike other synthetic diamonds, which could either store quantum information for a long time or transmit it clearly, the new diamond can do both. This designer crystal, described in the July 6 Science, could be a key building block in a quantum internet. Such a futuristic communications network would allow people to send supersecure messages and connect quantum computers around the world (SN: 10/15/16, p. 13).

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