SMRTR Science & EngineeringMay 6, 2025Interesting Engineering

US researchers achieve 11-mile quantum data link using photon transmission

SMRTR summary

A groundbreaking 11-mile quantum communications link has been established between two Rochester universities, marking a significant step towards secure, scalable quantum networks. Using single photons transmitted over fiber-optic cables at room temperature, researchers at RIT and the University of Rochester have demonstrated the potential for quantum data transfer using existing infrastructure.

"Photons move at the speed of light and their wide range of wavelengths enable communication with different types of qubits," explains Stefan Preble, professor at RIT's Kate Gleason College of Engineering.

The project, dubbed RoQNET, utilizes photonic-integrated circuits to create a test bed for distributed quantum entanglement. This technology could revolutionize data security by making message interception virtually impossible to go undetected.

Looking ahead, the team plans to expand RoQNET's reach across New York state, connecting with other research facilities to further advance quantum networking capabilities.

SMRTR provides this summary for quick context. The original article belongs to Interesting Engineering.

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