Quantum Teleportation Was Just Achieved With 90% Accuracy Over a 44km Distance

Quantum Teleportation Was Just Achieved With 90% Accuracy Over a 44km Distance

Scientists are edging closer to making a super-secure, super-fast quantum internet possible: they've now been able to 'teleport' high-fidelity quantum information over a distance of 44 kilometres. Both data fidelity and transfer distance are crucial when it comes to building a working quantum internet and making progress in either of these areas is cause for celebration.

In this case the team achieved a greater than 90 percent fidelity level with its quantum information As well as sending it across extensive fibre optic networks similar to those that form existing internet.

Quantum internet technology uses qubits;  Unmeasured particles that remain suspended in a mix of possible states like spinning dice yet to settle. It's never before been demonstrated to work over such a long distance with such accuracy. And it brings a city-sized quantum network closer to reality. Even though there are still years of work ahead to make that possible.

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