Introducing Quantum Secure Data in Madrid

On September 10, 2025, a significant breakthrough in secure data transportation was announced by REDIMADRID and Ciena. Together, they are pioneering the End-to-End Quantum Secure Data Transport Project, marking a critical advancement in using Quantum Key Distribution (QKD) alongside existing fiber networks. REDIMADRID is known for providing high-speed connectivity solutions to Madrid’s universities and research facilities, offering bandwidth that reaches up to 10 Gbps—and even higher in experimental setups.

The new project utilizes Ciena’s 6500 photonic line system, enabling a dedicated quantum channel to run concurrently with regular network traffic over the same fiber. This approach not only increases security but also makes efficient use of available resources. According to Paulina Gomez from Ciena, the initiative reflects their dedication to helping clients stay ahead in the face of emerging threats from quantum computing.

Leading Edge of Quantum Technology

The collaboration with Ciena and Axians—a leader in digital infrastructure—ensures a seamless rollout of this initiative in Madrid. It aligns with global movements towards quantum-safe technology. In Japan, a similar project by PacketLight Networks and NEC successfully demonstrated QKD on a high-speed link, maintaining network performance while ensuring security. This project proved that quantum-safe communications can be implemented on active networks with minimal disruptions.

In Europe, strides are being made too. France’s Orange Business, alongside Toshiba Europe, launched Orange Quantum Defender in Paris, fusing QKD with software-based cryptography to shield against future risks. Such efforts underscore a decisive step towards integrating quantum secure networks across various sectors, preparing for a future where their use becomes standard.

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