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Integrated cryogenic chip controls spin qubits

Building a quantum computer out of silicon allows the computer’s qubits to be integrated seamlessly with their control electronics, but the control circuits can degrade qubit performance. A cryogenic control chip counters this risk and holds promise for scaling up the number of qubits.
This is a summary of: Bartee, S. K. et al. Spin-qubit control with a milli-kelvin CMOS chip. Nature 643, 382–387 (2025).

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doi: https://doi.org/10.1038/d41586-025-02122-8

‘Expert opinion’ and the figure are published under a CC BY 4.0 licence.

References

  1. Pauka, S. J. et al. Nature Electron. 4, 64–70 (2021).

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