this post was submitted on 19 Feb 2026
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Quantum teleportation demonstrated over existing fiber networks — Deutsche Telekom’s T‑Labs used commercially available Qunnect hardware for the demo, claims 90% average accuracy (www.tomshardware.com)
submitted 15 hours ago by throws_lemy@reddthat.com to c/technology@lemmy.world
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“Teleporting quantum information is now a practical reality,” asserts Deutsche Telekom. The firm’s T‑Labs used commercially available Qunnect hardware to demo quantum teleportation over 30km of live, commercial Berlin fiber, running alongside classical internet traffic. In an email to Tom’s Hardware, Deutsche Telekom’s PR folks said that Cisco also ran the same hardware and demo process to connect data centers in NYC.

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[–] vacuumflower@lemmy.sdf.org 8 points 13 hours ago (1 children)

As far as I understand this, it's not zero latency, it's safer key exchange possible for some encryption based on a physical and not mathematical principle.

Would be cool, of course, if they really could achieve zero latency. That could do wonders to various infrastructure efficiency. Say, allow for electric grids and internet backbone lines to know of spreading load changes to optimize for them.

[–] Prove_your_argument@piefed.social 2 points 11 hours ago (1 children)

There's going to be latency because the NIC on both ends still communicates with copper to the rest of the computer system(s.)

Still going to be faster than a fiber connection or copper. Not to mention the latency induced by say the IEX Magic Box.

[–] vacuumflower@lemmy.sdf.org 1 points 14 minutes ago

Anyway, nothing about quantum entanglement suggests zero latency, it's just a fancy name, in fact it's two things with synchronized states.