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This roadmap outlines the transition of phosphorus-in-silicon quantum computing from manual research tools to automated, industrial-scale atomic-precision fabrication capable of placing atoms with sub-nanometer accuracy. By leveraging high-purity silicon and advanced lithography, the platform achieves gate fidelities exceeding 99.9% and coherence times over 30 seconds, positioning itself for utility-scale processors that can operate within a single dilution refrigerator. The strategy emphasizes integrating commercial analog simulators into classical HPC pipelines as an immediate step toward fault-tolerant universal quantum computing.

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Silicon Quantum Computing Traces 25-Year Roadmap to Atomic-Precision Manufacturing in Nature Nanotechnology

Quantum Computing ReportOctober 14, 20262 min read

Silicon Quantum Computing (SQC) has detailed a 25-year roadmap in Nature Nanotechnology for developing atomic-scale processors. The article traces the evolution of phosphorus-in-silicon quantum processors from single-atom transistor demonstrations to commercial atomic-scale products. Key milestones include the development of automated atomic-precision fabrication, achievement of high single-qubit gate fidelities and coherence times, and the deployment of commercial analog simulators. The post Silicon Quantum Computing Traces 25-Year Roadmap to Atomic-Precision Manufacturing in Nature Nanotechnology appeared first on Quantum Computing Report.

In a Comment published in Nature Nanotechnology, Silicon Quantum Computing (SQC) Head of Quantum Engineering Ludwik Kranz and CEO Michelle Simmons trace the 25-year evolution of phosphorus-in-silicon quantum processors (the 14/15 platform) from…

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