Researchers Achieve Quantum Entanglement Over Optical Fibers in Three Cities

May 21, 2024, 10:49 PM

Three separate research groups in the US, China, and the Netherlands have successfully demonstrated quantum entanglement over several kilometers of existing optical fibers in real urban areas. This achievement marks a significant step towards the development of a future quantum internet, a network that could revolutionize secure communications. The experiments generated quantum entanglement across optical fibers in three real cities, showcasing the potential of quantum networks. Additionally, proof-of-concept quantum repeaters have been developed, further advancing the feasibility of secure quantum networks.