Ultimate quantum limits to coherence

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This project aims to discover the ultimate quantum limits to optical coherence. Quantum physics underpin the miniaturisation of technology, and quantum devices can do things better, often with vastly fewer resources, than conventional devices. Lasers underpin most modern optical technologies, and have been studied for decades, but the ultimate quantum limits are unknown. To find them, this project will use theoretical techniques that have not hitherto been combined. This project will likely influence the long-term development of lasers and other quantum devices and underpin innovation in miniaturised optical technology and other quantum devices, leading ultimately to commercial products that yield a better quality of life.