Engineering Quantum States of Matter for Atomic Clocks in Shallow Optical Lattices

19 Jun 2019 Hutson Ross B. Goban Akihisa Marti G. Edward Sonderhouse Lindsay Sanner Christian Ye Jun

We investigate the effects of stimulated scattering of optical lattice photons on atomic coherence times in a state-of-the art ${}^{87}\mathrm{Sr}$ optical lattice clock. Such scattering processes are found to limit the achievable coherence times to less than 12 s (corresponding to a quality factor of $1 \times 10^{16}$), significantly shorter than the predicted 145(40) s lifetime of ${}^{87}\mathrm{Sr}$'s excited clock state... (read more)

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