An integrated space-to-ground quantum communication network over 4,600 kilometres

An integrated space-to-ground quantum communication network over 4,600 kilometres

Nature, Published online: 06 January 2021; doi:10.1038/s41586-020-03093-8

A quantum network that combines 700 fibre and two ground-to-satellite links achieves quantum key distribution between more than 150 users over a combined distance of 4,600 kilometres.
Source: Nature

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