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Lu+ optical frequency references with accuracy verified at the 19th digit

Crossref DOI link: https://doi.org/10.1038/s41586-026-11072-8

Published Online: 2026-09-23

Update policy: https://doi.org/10.1007/springer_crossmark_policy

Authors

Arnold, K. J. https://orcid.org/0000-0003-3544-8246
Lee, M. D. K. https://orcid.org/0009-0001-6128-3097
Zhao, Qi https://orcid.org/0009-0007-4401-2141
Qin, Qichen

Zhang, Zhao https://orcid.org/0000-0002-1212-9173
Jayjong, N. https://orcid.org/0009-0003-7772-0030
Barrett, M. D. https://orcid.org/0000-0002-1483-8029
License Information

Text and Data Mining valid from 2026-09-23

Version of Record valid from 2026-09-23
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Article History

Received: 8 December 2025

Accepted: 24 August 2026

First Online: 23 September 2026

Ethics

Competing interests: The authors declare no competing interests.