Can we build a secure quantum internet using the cables we already use?
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Quantum teleportation continues even when we are stuck in internet traffic jams. An experiment demonstrating that both parties can share optical fiber could point to an easy way to build an unhackable quantum internet.
“I’ve been wondering for years how we could share quantum information on the same fiber that carries classical communications signals,” says Prem Kumar of Northwestern University in Illinois. Well, with him…
