Tune-out and magic wavelengths for ground-state ${}^{23}$Na${}^{40}$K molecules

Abstract

We demonstrate a versatile, rotational-state dependent trapping scheme for the ground and first excited rotational states of ${}^{23}$Na${}^{40}$K molecules. Close to the rotational manifold of a narrow electronic transition, we determine tune-out frequencies where the polarizability of one state vanishes while the other remains finite, and a magic frequency where both states experience equal polarizability. The proximity of these frequencies of only 10 GHz allows for dynamic switching between different trap configurations in a single experiment, while still maintaining sufficiently low scattering rates.

arXiv comment11 pages, 10 figures

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