Teleportation trick shows promise for a future quantum internet

Teleportation trick shows promise for a future quantum internet

Quantum information was sent from one side of a simple quantum network to the other, passing through an intermediate network node without affecting it

Physics


May 25, 2022

Artist’s impression of quantum entanglement, a property explored to build a quantum internet

Shutterstock/Jurik Peter; Kohji Asakawa/Pixabay

A quantum network can teleport information between unconnected nodes using what is known as quantum entanglement – ​​an important step towards building a super-secure quantum internet.

Objects that share quantum entanglement have related properties. Entanglement is at the heart of proposals for a quantum internet, which could greatly improve privacy over current internet systems. One idea is to build a network of connected quantum bits, or qubits, that are entangled with qubits elsewhere in the network rather than with the…

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