A Multinode Quantum Network explained

The QuTech research group of Ronald Hanson, has built and demonstrated the first entanglement-based network connecting multiple quantum processors! This quantum network is composed of three independent nodes, called Alice, Bob and Charlie, based on diamond 💎 nitrogen-vacancy centres. The researchers achieved proof-of-principle demonstration of two key quantum network protocols: genuine multipartite entanglement distribution across all the nodes and any-to-any connectivity via entanglement swapping: Alice and Charlie are connected via quantum entanglement even without a direct physical link. This capability will be fundamental to build the future quantum internet ‼️

Paper in Science
Realization of a multinode quantum network of remote solid-state qubits: https://doi.org/10.1126/science.abg1919
M. Pompili* S. L. N. Hermans*, S. Baier*, H. K. C. Beukers, P. C. Humphreys, R. N. Schouten, R. F. L. Vermeulen, M. J. Tiggelman, L. dos Santos Martins, B. Dirkse, S. Wehner and R. Hanson.
Science, Vol. 372, 259–264, published online April 15, 2021.

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