A High-Performance Optical Lattice Clock Based On Bosonic Atoms

M.S. Pramod S. Origlia
Optical lattice clocks with uncertainty and instability in the 10􀀀17-range and below have so far
been demonstrated exclusively using fermions. Here, we demonstrate a bosonic optical lattice clock
with 3 10􀀀18 instability and 2:0 10􀀀17 accuracy, both values improving on previous work by a
factor 30. This was enabled by probing the clock transition with an ultra-long interrogation time of
4 s, using the long coherence time provided by a cryogenic silicon resonator, by careful...
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