Electromagnetically induced transparency with Rydberg atoms across the Breit-Rabi regime

  • Naber J
  • Tauschinsky A
  • van Linden van den Heuvell B
  • et al.
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We present experimental results on the influence of magnetic fields and laser polarization on electromagnetically induced transparency (EIT) using Rydberg levels of ^{87} 87 Rb atoms. The measurements are performed in a room temperature vapor cell with two counter-propagating laser beams at 480 m and 780 m in a ladder-type energy level scheme. We measure the EIT spectrum of a range of ns_{1/2} n s 1 / 2 Rydberg states for n=19-27 n = 19 − 27 , where the hyperfine structure can still be resolved. Our measurements span the range of magnetic fields from the low field linear Zeeman regime to the high field Paschen-Back regimes. The observed spectra are very sensitive to small changes in magnetic fields and the polarization of the laser beams. We model our observations using optical Bloch equations that take into account the full multi-level structure of the atomic states involved and the decoupling of the electronic J J and nuclear I I angular momenta in the Breit-Rabi regime. The numerical model yields excellent agreement with the observations. In addition to EIT related experiments, our results are relevant for experiments involving coherent excitation to Rydberg levels in the presence of magnetic fields.




Naber, J., Tauschinsky, A., van Linden van den Heuvell, B., & Spreeuw, R. (2017). Electromagnetically induced transparency with Rydberg atoms across the Breit-Rabi regime. SciPost Physics, 2(2). https://doi.org/10.21468/scipostphys.2.2.015

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