Quantum Internet Milestones Achieved in China, US, and Europe

Research teams demonstrate urban-scale quantum networks, bringing unhackable communication closer to reality.

Harvard researchers set a record with a 35km quantum network in Boston using existing fiber optics.
Chinese team established a triangular quantum network around Hefei, achieving high entanglement efficiency.
Dutch researchers connected Delft and The Hague with a 25km quantum network, emphasizing practical urban deployment.
Quantum entanglement was demonstrated using different approaches, including diamond and rubidium atom ensembles.
These advancements mark significant steps towards a scalable, secure quantum internet with real-world applications.