UK achieves quantum communications breakthrough with first long-distance secure data transfer [English]

Author: Jack Thomas | Source: Innovation News Network | Read the full article in English

In a significant advancement for cybersecurity and data transmission, researchers from the Universities of Bristol and Cambridge have successfully established a long-distance quantum communications network. This innovative system, which spans over 410 kilometers of standard fiber optic cable, combines advanced technologies to create a secure method for transferring data. The achievement positions the UK as a frontrunner in the development of a large-scale quantum internet.

The network utilizes two cutting-edge techniques for quantum key distribution, which ensures that the encryption keys used for securing data are nearly impossible to intercept. By integrating these methods, the researchers have created a robust system that can maintain ultra-secure data transmission over long distances. This breakthrough is particularly noteworthy as it is the first of its kind to effectively combine both entanglement distribution and quantum-secure key exchange within existing fiber infrastructure.

To demonstrate the capabilities of this new network, the team conducted several practical tests, including secure video calls and the encrypted transfer of sensitive medical information. These applications showcase the potential of quantum communications to enhance privacy and security across various sectors, such as healthcare and finance. As the project continues to evolve, the researchers aim to expand their efforts to create scalable quantum networks that could revolutionize global communication.

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