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17 October, 2019 - 10:36 By Kate Sweeney

Quantum photonics startup raises £650k

Nu Quantum, a Cambridge UK quantum photonics business, has completed a £650,000 pre-seed investment round.

The over-subscribed round in the Cavendish Laboratory spin-out was led by Amadeus Capital Partners with participation from IQ Capital, Ahren Capital, Cambridge Enterprise and Martlet Capital, the investment arm of Marshall of Cambridge Group.

The raise follows eight years of research honing the technology at the Cavendish within the University of Cambridge.

Nu Quantum is building high-performance single-photon sources and detectors that work at room temperature. These devices are the building blocks that will enable a range of quantum technologies, the most near-term being Quantum Key Distribution (QKD): communication links which are completely secure as end users are able to detect any imprint on the exchanged photons left by a potential eavesdropper.

Nu Quantum will soon start working with a major UK telecoms company, testing its quantum technology. While several quantum companies are looking at the fibre-based application of quantum communication technology, Nu Quantum is one of the few looking at its application in ‘free space’ communications.

This means communication without fibre optics – their vision for their proprietary components to form an end-to-end free-space quantum cybersecurity system which will enable the secure exchange of cryptographic keys globally via satellite and metropolitan links.

Carmen Palacios-Berraquero, CEO, Nu Quantum, explains: “To make quantum communication a reality there are, among others, two major challenges: to generate and detect single photons with high purity and efficiency.

“Nu Quantum is developing high performance quantum photonics hardware that works at the single photon-level, at room temperature. These quantum components are the necessary building blocks for any quantum architecture.”

Alex van Someren, managing partner Early Stage Funds, Amadeus Capital Partners, who will join Nu Quantum’s board, adds: “Nu Quantum is poised to unlock the potential of quantum communication. Using this investment by Amadeus, Nu Quantum will address the challenge of cryptography first.

“Based on its single photon sources and detectors, Nu Quantum aims to deliver high-rate, quantum-secure key generation and exchange, taking us one step closer towards absolute cyber security.”

Nu Quantum’s award-winning technology has been patented with the support of Cambridge Enterprise. Since inception in late 2018, Nu Quantum has been successful in receiving several Innovate UK grants and European research grants, taking its available capital to near £1 million.

The investment will enable Nu Quantum to develop its technology into full prototypes over the next 18 months.

The first application of its proprietary components will be an end-to-end free-space quantum cyber security system which will enable the secure exchange of cryptographic keys globally via satellite and metropolitan links.

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