Physicists Shatter Quantum Entanglement Distance Record With 420 Kilometers of Optical Fiber
A team of physicists in China has successfully entangled quantum memories over a 420-kilometer optical fiber, setting a new record for the longest fiber-based matter-to-matter entanglement. This achievement demonstrates the feasibility of long-distance quantum communication and advances the development of a future quantum internet. The breakthrough was made possible by improving techniques to reduce signal loss and interference over long distances. The experiment provides a foundation for expanding quantum network applications beyond city-scale systems.
Physicists have successfully entangled quantum memories over 420 kilometers of optical fiber, breaking the previous distance record.
This breakthrough advances the feasibility of long-distance quantum communication and future quantum networks.
It highlights progress in developing robust quantum technologies that could lead to secure global communication systems.
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