RIKEN Demonstrates High-Fidelity Simultaneous Control of Silicon Spin Qubits Above 99.9% Threshold

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  1. 17 oct 2026, 16:27 · ayer ·inglés

     RIKEN Demonstrates High-Fidelity Simultaneous Control of Silicon Spin Qubits Above 99.9% Threshold

     Researchers at RIKEN and collaborators have achieved high-fidelity simultaneous control of five silicon spin qubits, maintaining over 99.9% accuracy. They overcame crosstalk caused by AC-Stark shifts through a new calibration protocol, enabling the use of a single microwave control line. This breakthrough meets the fault-tolerant threshold for quantum error correction and paves the way for more scalable quantum computers. The post RIKEN Demonstrates High-Fidelity Simultaneous Control of Silicon Spin Qubits Above 99.9% Threshold appeared first on Quantum Computing Report.

     Framing

     • silicon spin qubits
     • high-fidelity simultaneous control
     • quantum error correction
     • calibration protocol enabling
     • qubits maintaining
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