Chicago, February 19, 2020
Real-world experiment in Chicago suburbs achieves quantum entanglement across 52-mile fiber network
Scientists from Argonne National Laboratory and the University of Chicago entangled photons across a 52-mile network in the Chicago suburbs, an important step in developing a national quantum internet. In achieving this milestone, the teams worked closely with companies in the emerging quantum industry. In partnership with Qubitekk, a new company developing quantum technologies, the team created entangled photon pairs and distributed them across two 26-mile fiber loops. The returning photon pairs were detected, and their correlation was verified with a high signal-to-noise ratio.
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