Diraq, Imec & Fraunhofer Achieve Quantum Computing Milestone: Industrial Qubits Outperform Academic
Diraq, in collaboration with imec and Fraunhofer IZM, has achieved a significant milestone in quantum computing. Their silicon quantum-dot qubits, fabricated using industrial tools, have surpassed the performance of academic hero qubits, marking a step towards practical quantum error correction.
The breakthrough is due to optimized silicon metal-oxide-semiconductor (MOS) stacks, isotopic enrichment of silicon, and precise fabrication processes. This has resulted in single- and two-qubit gate operations with fidelities above 99%, and state-preparation and measurement steps reaching over 99.9%.
The industrial approach promises a clear path to utility-scale quantum computing, with cost per logical qubit decreasing for real-world applications. Imec's 300 mm spin-qubit platform has demonstrated reproducibility and high performance, paving the way for a single chip containing millions of qubits. This could leverage the existing silicon micro-chip supply chain for economies of scale.
The achievement has implications for the wider ecosystem, enabling other players to design end-to-end quantum solutions. Further noise suppression and advances in qubit connectivity and error-correction codes could shorten the time to a fault-tolerant quantum computer, making it possible to solve problems intractable for today's silicon-based machines.
Diraq's collaboration with imec and Fraunhofer IZM has brought us closer to market-ready quantum computers. Their high-fidelity silicon quantum-dot qubits, fabricated using industrial methods, could revolutionize the field and pave the way for practical quantum error correction.
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