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Apr 18, 2019

The quantum internet comes closer

Posted by in categories: cybercrime/malcode, internet, quantum physics

The goal of a worldwide “quantum internet” could be one step closer thanks to new experiments by researchers in Japan and Canada who have made the first ever quantum repeaters that work using an all-photonic protocol. The scheme importantly allows for the time-reversed adaptive Bell measurement, which is a key component for all-photonic quantum repeaters. It is based on optical devices alone and does not require any quantum memories or quantum error correction.

The Internet as we know it was not designed to be secure, and hacking, break-ins and espionage are unfortunately par for the course today. A quantum internet would be much more secure – as well as being much faster – since it exploits key features of quantum physics such as quantum entanglement.

Entanglement and quantum memories.

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