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Quantum city simulation shows how to make Paris-sized quantum internet

A simulated version of Paris where universities and telecommunication hubs are connected by a quantum communication network suggests that existing technology is already nearing the ability to create functional “quantum cities”

Technology 21 November 2022

An aerial photo taken over the Arc de Triomphe in Paris, France at sunset with a wide view above the monument, with streets coming out like spokes from the monument at the center.

Researchers recently simulated a quantum network larger than the city of Paris, France

Nisian Hughes/Getty Images

Soon, we may be living in quantum cities. A computer simulation of a city where universities, data centres and telecommunication hubs are connected by quantum internet suggests that existing technology is close to making it a reality.

In a quantum city, telecommunications and institutions that deal with vast quantities of data would be connected in a network that uses quantum devices instead of modems and routers. These devices would take advantage of quantum effects to make information sharing …