Superconducting constriction junctions enable mass production of qubits

https://phys.org/news/2024-09-qubit-architecture-enable-easier-quantum.html

"coherence linked to qubit junction quality... 2 superconducting layers separated by insulator... overcomes increased current flow, linearity... constriction junction nonlinearity tuned through superconducting transition metal silicides' junction's size, shape... tradeoff between conductivity/ nonlinearity... aligns with current electronics manufacturing capabilities"