Nature, Published online: 07 October 2026; doi:10.1038/s41586-026-11084-4
A thorium-229 nuclear clock is realized by stabilizing a continuous-wave laser to the 148-nm nuclear excitation with a rapid feedback loop based on absorption spectroscopy.A thorium-229 optical nuclear clock with feedback loop
Nature, Published online: 07 October 2026; doi:10.1038/s41586-026-11084-4A thorium-229 nuclear clock is realized by stabilizing a continuous-wave laser to the 148-nm nuclear excitation with a rapid feedback loop based on absorption spe…