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Researchers achieve long-distance quantum teleportation Image: © ZinetroN/Stock.adobe.com A team of researchers at Fermilab and partner institutions have demonstrated sustained long-distance teleportation of qubits of photons. US Department of Energy Office national laboratory Fermilab and partner institutions have taken a significant step towards realising a quantum internet. Earlier this month, a joint team of researchers was able to use quantum teleportation to send information over a distance of 44km. In a paper published in PRX Quantum, the team said it demonstrated a “sustained, long-distance teleportation” of qubits of photons for the first time, with a fidelity of more than 90pc. The qubits were teleported over a fibre-optic network using state-of-the-art single-photon detectors and off-the-shelf equipment.

Panagiotis spentzourisPeter lodahlRavitej uppuPropulsion laboratoryQuantum networksUs department of energy office scienceUniversity of bochumUniversity of copenhagen niels bohr instituteUs department of energyHarvard universityUniversity of calgaryEnergy officeScience advancesNiels bohr instituteHybrid quantum networksProf ravitej uppu