Microwave coherent spectroscopy of ultracold thulium atoms
D.A. Pershin, V.V. Yaroshenko, V.V. Tsyganok, V.A. Khlebnikov, E.T., Davletov, D.V. Shaykin, E.R. Gadylshin, I.S. Cojocaru, E.L. Svechnikov, P.V., Kapitanova, A.V. Akimov
TL;DR
This paper demonstrates high-fidelity microwave control of ultracold thulium atoms' ground state sublevels, essential for quantum simulation, with detailed analysis of coherence times and dephasing.
Contribution
It introduces a simple microwave antenna for precise manipulation of thulium's ground state sublevels and provides experimental data on coherence properties.
Findings
Over 93% fidelity in state manipulation
Effective control of hyperfine levels
Analysis of coherence time and dephasing rates
Abstract
Recently, the thulium atom was cooled down to the Bose-Einstein condensation temperature, thus opening a pathway to quantum simulation with this atom. However, successful simulations require instruments to control and readout states of the atom as well as the ability to control the interaction between either different species or different states of the same type of species. In this paper, we provide an experimental demonstration of high-fidelity (over 93%) manipulation of the ground state magnetic sublevels of thulium, which utilizes a simple and efficient design of a microwave (MW) antenna. The coherence time and dephasing rate of the energetically highest hyperfine level of the ground state were also examined.
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