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University of Bristol Researchers Demonstrate Chip-Based Devices that Improve Practicality of Quantum-Secured Communication

By IQT News posted 20 Mar 2020

(ScienceDaily) Researchers from the University of Bristol, UK have demonstrated new chip-based devices that contain all the optical components necessary for quantum key distribution while increasing real-world security. The fast and cost-effective platform is poised to facilitate implementation of extremely secure data communication that can be used to protect everything from emails to online banking information.
“Chip-based devices significantly reduce the barrier for widespread uptake of quantum-secured communication by providing a robust, mass-manufacturable platform,” said research team leader Henry Semenenko from the University of Bristol, UK. “In the future, these devices will form part of a standard household connection to the internet that keeps our data secure regardless of advances in computing technology.”
The new quantum key distribution devices are based on the same semiconductor technology found in every smartphone and computer. Instead of wires to guide electricity, they contain highly complex circuits that control the weak photonic signals of light necessary for quantum key distribution.

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