Curator's Take
AI Commentary
This article matters because it shows the first full set of quantum operations—readout, single‑qubit rotations and a two‑qubit gate—implemented on a silicon spin‑qubit chip produced on a 300 mm wafer using Quobly’s proprietary QSOI® process. By leveraging standard CMOS foundries such as STMicroelectronics, the work pushes silicon qubits closer to the industrial scaling pathways that have driven classical processors, offering a potential route to high‑volume, low‑cost quantum hardware. While the demonstration is a clear milestone, the reported gate fidelities still fall short of error‑correction thresholds, so further improvements will be needed before fault‑tolerant devices become practical.
— Mark Eatherly
Summary
Insider Brief PRESS RELEASE — Quobly, a French quantum computing company developing industrially scalable quantum computers based on silicon spin qubits, today announces new results showing qubit readout, single-qubit gates and two-qubit gates on a single quantum chip fabricated on its proprietary QSOI® technology. The results were obtained on QSOI® devices fabricated in STMicroelectronics’ commercial […]