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Isolating a single transition dipole moment for tunable, calibrated Autler-Townes electrometry via Zeeman splitting

ORAL

Abstract

Autler-Townes (AT)-based electrometry using Rydberg states of Alkali atoms has been demonstrated as a self-calibrated, "straight-to-SI" platform for measuring radio-frequency field strength. The magnitude of the AT splitting is related to the field strength via the transition dipole moment of the transition involved and the Planck constant. However, under the standard measurement scheme, the excitation of multiple magnetic spin states leads to signal contribution from various angular momentum pathways, each with unique dipole moments. This complicates the calibration of an AT-based electric field measurement. We demonstrate that the application of a magnetic field separates angular momentum states and allows AT electrometry with tunable, isolated magnetic spin states. This selectivity allows for more precise calibration of field intensities. We corroborate experimental results with theoretical calculations describing the spectral shape of electromagnetically induced transparency in the presence of the degeneracy-lifting magnetic field.

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Publication: Zeeman-resolved Autler-Townes splitting in Rydberg atoms with tunable resonances and a single transition dipole moment<br>arxiv: https://doi.org/10.48550/arXiv.2311.07665<br>Accepted for publication in Physical Review A.

Presenters

  • Noah Schlossberger

    University of Colorado, Boulder

Authors

  • Noah Schlossberger

    University of Colorado, Boulder

  • Nikunjkumar Prajapati

    National Institute of Standards and Technology, Boulder, National Institute of Standards and Technology

  • Samuel Berweger

    National Institute of Standards and Technology, Boulder, National Institute of Standards and Tech, National Institute of Standards and Technology

  • Andrew P Rotunno

    National Institute of Standards and Technology, Boulder, National Institute of Standards and Technology

  • Alexandra B Artusio-Glimpse

    National Institute of Standards and Technology, Boulder, National Institute of Standards and Technology

  • Dangka Shylla

    University of Colorado, Boulder, National Institute of Standards and Technology

  • William J Watterson

    University of Colorado, Boulder

  • Matthew T Simons

    National Institute of Standards and Technology, Boulder, National Institute of Standards and Technology Boulder, National Institute of Standards and Technology

  • Christopher L Holloway

    National Institute of Standards and Technology, Boulder, National Institute of Standards and Tech