Stefan Alaric Schäffer

Atomic clock performance enabling geodesy below the centimetre level

William F. McGrew, X. Zhang, Robert Fasano et al. · Nature · 2018 · 678 citations · Full text

Engineering, Physics, Clock Recovery +6

Frequency ratio measurements at 18-digit accuracy using an optical clock network

K. Beloy, Martha I. Bodine, Tobias Bothwell et al. · Nature · 2021 · 355 citations

Photonics, Precision Measurement, Engineering +12

AEDGE: Atomic Experiment for Dark Matter and Gravity Exploration in Space

Yousef Abou El-Neaj, C. Alpigiani, Sana Amairi‐Pyka et al. · EPJ Quantum Technology · 2020 · 342 citations · Full text

Towards the optical second: verifying optical clocks at the SI limit

William F. McGrew, X. Zhang, Holly Leopardi et al. · Optica · 2019 · 131 citations · Full text

Lasing on a narrow transition in a cold thermal strontium ensemble

Stefan Alaric Schäffer, Mikkel Tang, Martin R. Henriksen et al. · Physical review. A/Physical review, A · 2020 · 63 citations · Full text