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Imec and Diraq scale silicon spin qubits to eight-device array

Essential brief

Imec and Diraq have successfully demonstrated the coherent operation and readout of an eight-qubit silicon MOS spin-qubit array fabricated using a 300mm CMOS-compatible foundry process. This advanc

Key topics

imec diraq scale silicon spin qubits diraq scale silicon spin qubits eight-device array Diraq 300mm CMOS-compatible Nature Communications

Key facts

Imec and Diraq fabricated an eight-qubit silicon MOS spin-qubit array using a 300mm CMOS-compatible process.

The array demonstrated coherent operation and readout, essential for quantum computation.

This achievement shows that existing semiconductor manufacturing can support quantum processors beyond two qubits.

The work advances the scalability and industrial viability of silicon-based quantum computing.

Highlights

Eight-qubit silicon spin qubit array fabricated in a 300mm CMOS-compatible foundry process.

Coherent operation and readout demonstrated for the eight-qubit system.

Published research in Nature Communications confirms the breakthrough.

Supports scaling quantum processors using established semiconductor manufacturing.

Represents progress toward industrial-scale quantum computing hardware.

Why it matters

This development signifies a crucial step toward scalable quantum computing by demonstrating that existing semiconductor manufacturing processes can produce multi-qubit quantum processors. Utilizing CMOS-compatible fabrication methods enables potential mass production and integration with current chip technologies, accelerating the transition of quantum computing from research to practical applications. The ability to operate and read out an eight-qubit silicon spin qubit array highlights progress in overcoming cha...

Imec and Diraq have achieved a milestone in quantum computing by demonstrating the coherent operation and readout of an eight-qubit silicon metal-oxide-semiconductor (MOS) spin-qubit array. This array was fabricated using a 300mm CMOS-compatible foundry process, which is standard in semiconductor manufacturing. The research, published in Nature Communications, confirms that current semiconductor fabrication methods can support quantum processors beyond the previously demonstrated two-qubit systems.

The eight-qubit array operates with coherent control and readout capabilities, essential for quantum computation. By leveraging a CMOS-compatible process, the team has shown that quantum devices can be integrated with existing industrial-scale chip manufacturing infrastructure. This approach could accelerate the development and scalability of quantum processors.

Silicon spin qubits are considered promising candidates for quantum computing due to their compatibility with established semiconductor technology and potential for high-fidelity operations. The demonstration of an eight-qubit array marks progress toward building larger, more complex quantum systems necessary for practical applications.

This work also addresses challenges related to qubit uniformity and control in larger arrays, which are critical for scaling quantum processors. The use of a 300mm wafer process indicates the feasibility of mass production, which is vital for transitioning quantum computing from laboratory experiments to commercial technologies.

Overall, the collaboration between Imec and Diraq showcases the integration of quantum devices with mature semiconductor processes, paving the way for future advancements in quantum computing hardware.

Key topics in this update include imec, diraq scale silicon spin qubits, and diraq scale silicon.