Finland-based quantum hardware startup Coherence Quantum has raised €2.78 million in Seed funding to develop cryogenic infrastructure for next-generation quantum computers. The round was led by Helsinki-based Lifeline Ventures, with participation from technology entrepreneur Mårten Mickos. The company, which originated from Aalto University’s Quantum Computing and Devices research group, is developing an integrated signalling and control platform designed to address the infrastructure challenges associated with scaling quantum processors.
Developing Cryogenic Infrastructure for Quantum Computers
As quantum processors become more powerful, increasing the number of qubits creates additional demands on the infrastructure required to operate them. Each additional qubit requires control and readout signals, increasing the amount of wiring and signal-conditioning hardware inside cryogenic systems where space and cooling capacity are limited. These systems must also protect qubits from thermal noise and other disturbances that can affect their performance.
Coherence Quantum is developing an integrated cryogenic signalling and control platform to address these challenges. Its initial technologies focus on signal conditioning to protect the environment surrounding qubits, while future development will target higher-density signal interfaces and more integrated control functionality positioned closer to the quantum processing unit. The company’s long-term objective is to help quantum computer manufacturers scale their systems without equivalent increases in wiring, cooling requirements and operational complexity.
The technology builds on research conducted at Aalto University’s Quantum Computing and Devices group. According to the company, its team has spent more than two years developing and testing the underlying technologies, including multiple generations of cryogenic prototypes validated in dilution refrigerators using qubit systems.
“Quantum computers won’t scale by adding qubits alone. The infrastructure around them has to scale too,” said Aashish Sah, CEO and co-founder of Coherence Quantum. “We’re starting with signal conditioning and building towards higher-density interfaces and, ultimately, more integrated cryogenic control. Our aim is to give quantum-computer builders an architecture that can support larger systems without wiring, cooling requirements, and complexity growing at the same rate.”
Funding to Establish R&D and Manufacturing Capabilities in Espoo
Coherence Quantum’s founding team includes CEO Aashish Sah, CTO Suman Kundu and CPO Erkki Soininen. Kundu is an experimental quantum physicist who contributed to establishing Aalto University’s 20-qubit Q20 quantum computer, while Soininen previously held a product leadership role at cryogenics company Bluefors. The startup is also supported by founding advisor Mikko Möttönen, Professor of Quantum Technology at Aalto University.
The €2.78 million investment will be used to establish the company’s laboratory in Espoo, develop its first product prototypes and manufacturing processes, continue research and development, and expand the team. Coherence Quantum is building dedicated R&D, testing and manufacturing capabilities near Aalto University, drawing on Finland’s existing expertise in quantum computing and cryogenic technologies.
The company ultimately aims to develop a standardised architecture for cryogenic signalling and control that combines its own technologies with complementary solutions from the broader quantum ecosystem. Its approach is intended to support both superconducting and spin-qubit systems as quantum computer manufacturers work towards larger processors.
With the new funding, Coherence Quantum plans to move from experimental development towards initial products and manufacturing capabilities, focusing on the infrastructure required to support more scalable quantum computing systems.
