"T-Labs, the research and development division within Deutsche Telekom, has collaborated with quantum networking firm, Qunnect on a demonstration of quantum teleportation over a commercial network. T-Labs deployed Qunnect's commercially available quantum entanglement distribution hardware in Berlin in a trial to show how quantum technology can be used to tackle instabilities and interferences in existing telecom infrastructure. T-Labs said the trial shows how a telecommunications operator can integrate quantum teleportation capabilities into operational networks."
"The experiment, which was run in January using the Qunnect Carina platform, along with Deutsche Telekom's Berlin quantum infrastructure, achieved quantum teleportation more than 30km of commercial fibre cables. In an optical fibre network, optical repeaters are needed every 50km or so to ensure that the photons, which are used to transmit network traffic, are able to travel longer distances. For a quantum internet, it is not possible to amplify and forward quantum information."
T-Labs partnered with Qunnect to deploy commercially available entanglement distribution hardware in Berlin and demonstrated quantum teleportation over more than 30 km of commercial fibre. The experiment used the Qunnect Carina platform alongside Deutsche Telekom's Berlin quantum infrastructure to teleport qubits generated by a weak coherent source across a 30 km fibre loop connecting a Quantum Lab to a testbed node. The Carina platform integrates an entanglement generator producing pairs of quantum-entangled photons and a polarisation compensation component that counteracts environmental noise in buried and aerial fibre to support high-rate, high-fidelity quantum-bit transport.
Read at ComputerWeekly.com
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