Engineering autonomous advantage: our case studies
Explore OGMATEC's innovative solutions to the most complex challenges in defence, government, aerospace, and critical national infrastructure. Discover how our British engineering excellence delivers tangible, future-focused results.
Enhancing quantum key distribution resilience
OGMATEC works within the secure communications and critical infrastructure sector to investigate whether fundamental quantum physics could be leveraged to improves resilience, efficiency and security of next-generation Quantum Key Distribution (QKD) systems.
Our challenges centre on reducing the impact of magnetic field fluctuations, phase drift and environmental interference on spin-based quantum memories. These effects increase Quantum Bit Error Rate (QBER), reduce secret key throughput and require frequent recalibration, limiting operational performance in contested or electromagnetically noisy environments.
OGMATEC proposes a novel architecture that reimagines Larmor precession not as an unavoidable source of error, but as an active sensing and control mechanism. The concept, termed Adaptive Larmor-Referenced Quantum Key Distribution (AL-QKD), uses dedicated reference spins to continuously monitor the local magnetic environment. By measuring the minute changes in their precession, the system actively compensates for external interference, drastically reducing QBER and increasing key generation rates in dynamic environments.
Redefining secure communication in contested environments
OGMATEC operates within the secure communications and critical national infrastructure sector to investigate fundamental challenges facing next-generation quantum networking: how to improve the resilience, efficiency and security of Quantum Key Distribution (QKD) systems operating in contested, noisy and mission-critical environments.
Existing architectures were constrained by environmental magnetic fluctuations, phase drift and quantum memory instability, all of which contributed to higher Quantum Bit Error Rates (QBER), reduced secret key generation rates and increased operational overhead through continual calibration and maintenance.
Rather than approaching the problem through incremental optimisation, OGMATEC challenges the underlying assumption that Larmor precession was simply a physical limitation to be compensated for. Our team identified an opportunity to repurpose this fundamental quantum phenomenon into an active sensing, stabilisation, and compensation mechanism. This innovative perspective led to the development of our Adaptive Larmor-Referenced QKD (AL-QKD) architecture, setting a new standard for quantum communication resilience.
Pioneering solutions in quantum-secure communications
One of the most technically demanding projects undertaken by OGMATEC involved exploring the future of quantum-secure communications. OGMATEC investigates next-generation Quantum Key Distribution (QKD) technologies but faces a significant challenge that exists across much of the quantum networking industry: maintaining secure, high-fidelity quantum communication in environments where magnetic fluctuations, environmental noise and phase instability degrade performance.
Traditional QKD systems are extraordinarily sensitive to disturbances. Quantum information is encoded into delicate quantum states that must remain coherent long enough to be transmitted, stored or measured. Small changes in magnetic field strength, temperature or timing can introduce phase errors, increasing the Quantum Bit Error Rate (QBER) and reducing the amount of usable secret key that can be generated. Existing approaches largely address this problem by calibrating equipment in highly controlled laboratory settings. OGMATEC delivered a solution that actively adapts to these environmental challenges, ensuring robust performance in real-world scenarios.