
Could we build a secure quantum internet with the cables we already use?
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Caught in traffic with the internetquantum teleportation persists. An experiment demonstrating that the two can share an optical fiber may lead to an easier way to build it The impossible quantum internet.
“For many years I wondered how we could share quantum information on the same fibers that carry classical communication signals?” he says Prem Kumar at Northwestern University in Illinois. Now, he and…