Progress in upscaling Si spin and superconducting-based quantum technologies

https://phys.org/news/2023-09-upscaling-si-superconducting-based-quantum-technologies.html

"scalable instrumentation to interface with the growing number of noise-sensitive superconducting qubits... CMOS-based cryo-electronics hold RF (de-) multiplexing elements operating at base temperature of dilution refrigerator alleviating I/O bottleneck as number of wires going from room to mK temperatures significantly reduced... record low temperature 10mK... low noise and power dissipation, interfaced with high-coherence superconducting qubits to perform qubit control with single qubit gate fidelities >99.9%"