Improvements in qubit performance are essential for the development of large-scale quantum computing devices. Sustained progress requires a broad approach combining physics, materials science, and engineering mindsets.
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Acknowledgements
The author gratefully acknowledges J. Thompson, A. Houck, J. Rovny, A.Joshi, and S. Baxamusa for helpful discussions and feedback on the article.
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Princeton University Professor Nathalie de Leon is a Visiting Faculty Researcher with Google Quantum AI. Due to her income from Google, Princeton University has a management plan in place to mitigate conflicts of interest that could affect the design, conduct and reporting of her group’s research on superconducting qubits. Her academic group also has a sponsored research contract with Google Quantum AI, and she is a co-inventor of a filed patent (WO2021096955) and a provisional patent (63/715,374) that are related to the subject matter of this comment.
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de Leon, N. How to build a long-lived qubit. Nat. Phys. (2025). https://doi.org/10.1038/s41567-025-03044-y
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DOI: https://doi.org/10.1038/s41567-025-03044-y
