Alternate Approach to Ramsey-Bordé Interferometry for Atom Spectroscopy

ORAL

Abstract

Ramsey-Bordé interferometers enable high-precision measurements of atomic resonance frequencies, but suffer from contrast loss due to stray atom paths. We propose an alternate pulse sequence that retains the same sensitivity of Ramsey-Bordé interferometers to atom-laser detuning, but achieves higher contrast by mitigating loss from stray paths. This method is applied to precision measurements of the intercombination line of Sr-88 using a free-fall interferometer operating on single-photon transitions.

*This work is supported by the U.S. Department of Energy, Office of Science, National Quantum Information Science Research Centers, Superconducting Quantum Materials and Systems Center (SQMS), the Gordon and Betty Moore Foundation, the David and Lucile Packard Foundation, the Office of Naval Research, and the National Institute of Standards and Technology.

–

Presenters

  • Jonah Glick

    • Northwestern University

Authors

  • Jonah Glick

    • Northwestern University

  • Kenneth DeRose

    • Northwestern University

  • Kefeng Jiang

    • Northwestern University

  • Sharika Saraf

    • Northwestern University

  • Yiping Wang

    • Northwestern University

  • Anya Abraham

    • Northwestern University

  • Hardeep Singh

    • Northwestern University

  • Tejas Deshpande

    • Northwestern University

  • Tim Kovachy

    • Northwestern University