| Issue |
EPL
Volume 151, Number 5, September 2025
|
|
|---|---|---|
| Article Number | 55003 | |
| Number of page(s) | 6 | |
| Section | Atomic, molecular and optical physics | |
| DOI | https://doi.org/10.1209/0295-5075/adffb6 | |
| Published online | 05 September 2025 | |
Microwave-dressing of Rydberg states in a trapped calcium ion
1 QUANTUM, Institut für Physik, Universität Mainz - D-55128 Mainz, Germany
2 Helmholtz-Institut Mainz - D-55128 Mainz, Germany
Received: 22 March 2025
Accepted: 27 August 2025
Abstract
We are using optical and microwave fields to excite Rydberg states in trapped cold 
ions. We employ a single ion and observe spectroscopically in the manifold of a principal quantum number n = 49 the dressing of Rydberg states of angular momentum states S and P. We compare our experimental spectra with a multi-level calculation of dressed states and find good agreement. The results are important for controlling the interaction of single ions in Rydberg states with electric fields of the ion trap and for tailoring the interactions in an ion crystal in Rydberg states.
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