LuxQuanta, a European leader in Quantum Cryptography, unveiled its second-generation NOVA LQ® Quantum Key Distribution (QKD) system at Mobile World Congress 2025 in Barcelona. This advanced QKD solution enhances scalability and reduces costs by integrating seamlessly with optical fiber networks without requiring dark fibers.
The system boasts an extended reach of 100 kilometers, flexible network configurations, and utilizes Continuous Variable QKD technology. Amid growing concerns over quantum computer and AI threats to current cryptographic systems, NOVA LQ aims to facilitate organizations’ transition to secure, cost-effective, quantum-safe solutions.
LuxQuanta Launches Second Generation of QKD System at MWC 2025
LuxQuanta has unveiled its second-generation Quantum Key Distribution (QKD) system, NOVA LQ, at MWC 2025. This advanced solution leverages Continuous Variable (CV) QKD technology, enabling secure communication by operating alongside classical data on existing optical fiber networks. This integration simplifies the transition to quantum-safe security measures.
The NOVA LQ system incorporates carrier-grade components, facilitating transmission over lit fibers without needing dedicated dark fibers. This approach significantly reduces infrastructure costs and enhances scalability, making it a practical solution for widespread adoption.
A notable advancement is its extended reach of 100 kilometers (20 dB), representing a 200% improvement over its predecessor. The system supports multi-receiver configurations in both Ring and Star network topologies, offering enhanced flexibility and adaptability to various network architectures.
The compact 2U design of NOVA LQ® ensures efficient deployment, while its high key rate guarantees robust performance. Additionally, the system is designed for seamless compatibility with existing Key Management Systems (KMS) and encryptors, maintaining stringent security standards across diverse applications.
Vanesa Diaz, CEO of LuxQuanta, underscores the critical role of QKD in contemporary cybersecurity. She highlights the company’s commitment to delivering cost-effective solutions that meet the highest security requirements and effectively serve governments, financial institutions, data centers, and telecom providers.
Understanding Quantum Key Distribution (QKD)
Quantum Key Distribution (QKD) is a cryptographic method that enables two parties to share secret keys securely using principles of quantum mechanics. Unlike traditional encryption methods, which rely on mathematical algorithms, QKD leverages the properties of quantum particles, such as photons, to ensure secure communication. The process involves encoding information in quantum states and detecting any potential eavesdropping attempts by disturbing these states.
The security of QKD is rooted in the fundamental principles of quantum physics, particularly the Heisenberg Uncertainty Principle and the no-cloning theorem. These principles ensure that any attempt to intercept or measure the quantum states used for key distribution will inevitably alter them, alerting the communicating parties to the presence of an eavesdropper. This makes QKD resistant to attacks from even the most advanced computational methods, including those posed by quantum computers.
QKD systems typically operate over optical fiber networks, transmitting quantum signals as light pulses. The photons carrying the key information are encoded in specific polarization states or other quantum properties. By detecting these states at the receiving end and comparing a subset to verify security, the communicating parties can establish a shared secret key for encrypting subsequent communications.
Integrating QKD with existing optical fiber infrastructure represents a significant advancement in securing modern communication networks. By enabling secure key distribution over standard telecommunications networks without requiring dedicated dark fibers, QKD solutions like LuxQuanta’s NOVA LQ® system offer a practical and scalable approach to implementing quantum-safe cybersecurity measures. This capability is particularly critical as the threat landscape evolves, with advancements in quantum computing potentially rendering traditional encryption methods obsolete.
More information
External Link: Click Here For More
