A custom low-noise, low-drift dual-channel DC source was built and validated on a 66-qubit processor, maintaining qubit coherence and frequency stability over 12 hours.
Castelvecchi, Nature 624, 238 (2023)
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A Low-Noise and High-Stability DC Source for Superconducting Quantum Circuits
A custom low-noise, low-drift dual-channel DC source was built and validated on a 66-qubit processor, maintaining qubit coherence and frequency stability over 12 hours.