Quantum Companies, Quantum Technology

Vexlum Appoints Truppe to Lead UK Quantum Technology Push

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July 31, 2026 by Ivy Delaney

Vexlum has appointed Dr. Stefan Truppe as Managing Director of Vexlum UK, establishing the company’s first research and development operation in the United Kingdom. This expansion supports the UK’s £2.5 billion National Quantum Strategy and responds to increasing demand for Vexlum’s VXL laser system, a compact, two-liter laser engine that replaces larger, traditional laboratory instruments. “The UK has built one of the world’s most dynamic quantum ecosystems,” said Jussi-Pekka Penttinen, CEO and Co-founder of Vexlum, adding that the company is investing in local engineering to support its growing customer base.

The compact, two-liter laser engine offers a significant alternative to bulky laboratory instrumentation for quantum research as Vexlum expands its European footprint with the new UK research and development operation. Vexlum appointed Dr. Truppe, who continues as an Associate Professor at Imperial College London, to position Vexlum as a leading voice for VECSEL excellence in the UK. The London laboratory will focus on laser development, testing, and validation for UK customers, alongside ongoing product development initiatives.

Demand for Vexlum’s lasers has increased from researchers working on neutral-atom and trapped-ion quantum computing, prompting the company to move beyond a simple sales presence and establish engineering and R&D capabilities. Vexlum’s technology originates from a collaboration at Tampere University and the research group of Nobel laureate David Wineland at NIST, providing a strong foundation for diversification into sectors like semiconductor metrology and space communications.

Vexlum’s Finland-based in-house manufacturing, from III-V semiconductor fabrication to final laser assembly, gives us unmatched quality control.

Dr. Stefan Truppe, Managing Director of Vexlum UK

The UK has built one of the world’s most dynamic quantum ecosystems.

Jussi-Pekka Penttinen, CEO and Co-founder of Vexlum
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Ivy Delaney

Ivy Delaney has been working with neural networks and machine learning since the mid-nineties, back when a couple of hidden layers and a long afternoon of training counted as ambitious. She has watched the field go from academic curiosity to the thing quietly running underneath everything, and she brings that long view to quantum computing. For Quantum Zeitgeist she covers the ground where the two fields meet. That means quantum machine learning and the variational algorithms it leans on, and it also means the less glamorous but more interesting story of classical machine learning already doing real work inside quantum machines, decoding error-correcting codes, calibrating noisy hardware and learning the error models that simulators depend on. She writes about the hardware those algorithms have to run on too, and about the post-quantum cryptography scramble that the same hardware has set off. Her stories typically start with the paper, whether that is peer-reviewed work, conference proceedings or an arXiv preprint, with the source linked so you can hold a claim up against the research it came from. She is unimpressed by benchmarks that will not say what they beat, and by demonstrations that only work in the press release.

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