Two-photon Doppler-free spectroscopy of the 6s2S01→6s23sS01 Rydberg transition for quantum sensing in ytterbiumRemoveBenjamin D. Hunt, Kyle Beloy, Roger C. Brown, Tobias Bothwell, Harikesh Ranganath, Tanner Grogan, Jacob L. Siegel, and Andrew D. LudlowPhys. Rev. A 114, 042818 (2026)
