Intercity quantum key distribution method outperforms quantum repeaters

(Phys.org)—Quantum key distribution (QKD) may one day allow for nearly perfectly secure data communication on a large scale, but before this can happen, QKD networks must extend across distances that are large enough to connect cities and even span continents. Currently, QKD links are limited to about 400 km due to optical fiber losses, and these links can be extended using quantum repeaters, which are, however, challenging to implement at the moment.

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Intercity quantum key distribution method outperforms quantum repeaters


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Ibrar Ayyub

I am an experienced technical writer holding a Master's degree in computer science from BZU Multan, Pakistan University. With a background spanning various industries, particularly in home automation and engineering, I have honed my skills in crafting clear and concise content. Proficient in leveraging infographics and diagrams, I strive to simplify complex concepts for readers. My strength lies in thorough research and presenting information in a structured and logical format.

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