…A challenge of quantum technology is successfully transmitting the carriers of quantum information — the photons — over long enough distances…

…The weakness of the quantum signal limits how far the photons can travel without being absorbed in the fiber… 

…A U.S. Department of Energy (DOE) National Quantum Information Science Research Center led by DOE’s Argonne National Laboratory, Q-NEXT develops quantum technologies that will improve people’s lives. For example, experts are working to establish quantum information networks that are eavesdrop-proof, a development that would be especially beneficial for areas such as finance…

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