Abstract

We theoretically investigate two-quantum magnetic resonance at the end sublevels of the ground state with a total angular momentum ${{F}_{g}}=1$ in application to $^{87}{\rm Rb}$ atoms. In this work, the effect of the elliptically polarized light on the shift of the resonance frequency is studied. Two schemes are compared: when the RF field is harmonic and when a periodic RF pulse train is used. We demonstrate that the latter approach provides a significantly smaller shift, which can be helpful in reducing the heading error in optically pumped magnetometers.

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Two-quantum magnetic resonance driven by a comb-like rf field

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Polarization asymmetry of the dark-resonance frequency dependence on the magnetic field

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J. Opt. Soc. Am. B 38(5) 1742-1747 (2021)