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New Quantum Key System Links Iberian Cities via Satellite

10/19/2025

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Summary

Story summary

Delft University of Technology (TU Delft) and The Netherlands Organization for Applied Scientific Research (TNO) developed a satellite-based quantum key distribution system for the Iberian Peninsula.
The system links Madrid, Barcelona, Bilbao, and Lisbon via a Low-Earth-Orbit satellite.
It distributes entangled photons.
Quantum random number generators now generate random bits at 19 gigabits per second.

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Story summary

Delft University of Technology (TU Delft) and The Netherlands Organization for Applied Scientific Research (TNO) developed a satellite-based quantum key distribution system for the Iberian Peninsula.
The system links Madrid, Barcelona, Bilbao, and Lisbon via a Low-Earth-Orbit satellite.
It distributes entangled photons.
Quantum random number generators now generate random bits at 19 gigabits per second.