Quantum Motion has officially opened its European offices in San Sebastian, Spain, establishing a permanent base for the development and deployment of silicon-spin quantum systems within the European Union. The subsidiary is located in the nanoGUNE Quantum Tower, a 1,500 m² facility inaugurated on February 4, 2026, which hosts the company alongside the CIC nanoGUNE Quantum Hardware research group. The expansion is designed to leverage the Basque Country’s specialized technology infrastructure and academic expertise to accelerate the commercialization of fault-tolerant quantum computers.
The technical focus of the new site centers on the integration of quantum and classical electronics on monolithic chips manufactured via industrial 300 mm CMOS wafer lines. Quantum Motion’s architecture utilizes industry-standard silicon transistors as quantum dots to create high-density qubit arrays. A critical component of this roadmap is the development of cryoelectronics—classical control circuits capable of operating at deep cryogenic temperatures—to manage signal processing without the wiring overhead that limits non-silicon modalities. This approach aims to achieve utility-scale systems by utilizing the existing global semiconductor manufacturing infrastructure.
Quantum Motion is currently executing several collaborative projects within the European ecosystem:
- QuDos (ERC Consolidator Grant): A research initiative led by Fernando Gonzalez-Zalba focused on using semiconductor quantum dots to build ultra-low-power microwave qubit control and readout electronics.
- SPINS Consortium: The “Semiconducting Pilot Line for Industrial quantum NanoSystems,” which aligns European research organizations and industry partners (including Infineon and STMicroelectronics) to deliver high-MRL (Manufacturing Readiness Level) semiconductor quantum chips.
- Monolithic Integration: Research into the co-design of quantum processing units (QPUs) and integrated circuits on a single piece of silicon to improve scalability and reduce power dissipation.
Read the official press release from Quantum Motion here.
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