The object
Mikko Möttönen developed an ultrasensitive cryogenic microwave sensor that diagnoses interference in quantum computers. This specialised measurement hardware operates at extremely low temperatures, helping engineers identify disruptive microwave signals and improve the reliability of physical quantum-computing systems.
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What Mikko did
Developed an ultrasensitive cryogenic microwave sensor for diagnosing interference in quantum computers.
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Why it matters
The EPO selected Möttönen as a 2026 Research finalist for a sensor addressing a central hardware reliability problem in quantum computing.
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Living-status check
The EPO's dated 13 May 2026 finalists release names Möttönen, positive evidence he was alive in 2026.