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Quantum internet inches closer: Qubits sent 22 miles via fiber optic cable | Three research labs in three different countries have found different ways to make the quantum internet possible.

Experiments in Netherlands, China, and US demonstrate how qubits can be stored in 'quantum memory' and transmitted via fiber optics.

Back in the US, Mikhail Lukin, at Harvard University, used diamond-based devices with silicon atoms in them and used quantum states of both the electrons and nucleus, much like Hanson’s lab. Credit: Can Knaut via OpenStreetMap While the Chinese and Dutch teams’ approach required photons to arrive at a server with precise timing, the one used by the US scientists is relatively easier to execute. Such a system would help transfer sensitive information using cryptographic keys, connect separate quantum computers to build a powerful one or unify an extensive network of optical telescopes located hundreds of miles into one large dish.

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