Preprint
Aug 2026
Collective Quantum Logic Spectroscopy
Scaling trapped-ion quantum sensors from single ions to large ensembles is a key challenge for next-generation precision measurements. At the same time, many ion species of interest for optical clocks and tests of fundamental physics lack closed cycling transitions required for direct laser cooling and state detection....
Raphael Kaubruegger, Matthew Patkowski, Yi-Cheng Zhang et al.
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