Precision spectroscopy in Yb+ ions
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arXiv
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| Main Authors: | , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866909814602334208 |
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| author | Yu, Jialiang Grensemann, Kai C. Yeh, Chih-Han Biswas, Ikbal Ahamed Singh, Abhilasha Dreissen, Laura S. Fürst, Henning A. Mehlstäubler, Tanja E. |
| author_facet | Yu, Jialiang Grensemann, Kai C. Yeh, Chih-Han Biswas, Ikbal Ahamed Singh, Abhilasha Dreissen, Laura S. Fürst, Henning A. Mehlstäubler, Tanja E. |
| contents | We report on our progress on multi-ion spectroscopy with Yb+ ions. We first characterized the spatial homogeneity of the magnetic- and the rf-field. Subsequently, to equalize the immense AC Stark shifts of the individual ions in a Coulomb crystal, we utilize a holographic phase plate to convert the Gaussian beam into a flat-top shape. These efforts enable us to excite an 8-ion crystal (172Yb+) on the highly forbidden electric octupole transition. Using 173Yb+ with reduced AC Stark shift, the same beam profile could support the multi-ion operation of 20 ions. This paves the way for future multi-ion optical clocks. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_24599 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Precision spectroscopy in Yb+ ions Yu, Jialiang Grensemann, Kai C. Yeh, Chih-Han Biswas, Ikbal Ahamed Singh, Abhilasha Dreissen, Laura S. Fürst, Henning A. Mehlstäubler, Tanja E. Atomic Physics We report on our progress on multi-ion spectroscopy with Yb+ ions. We first characterized the spatial homogeneity of the magnetic- and the rf-field. Subsequently, to equalize the immense AC Stark shifts of the individual ions in a Coulomb crystal, we utilize a holographic phase plate to convert the Gaussian beam into a flat-top shape. These efforts enable us to excite an 8-ion crystal (172Yb+) on the highly forbidden electric octupole transition. Using 173Yb+ with reduced AC Stark shift, the same beam profile could support the multi-ion operation of 20 ions. This paves the way for future multi-ion optical clocks. |
| title | Precision spectroscopy in Yb+ ions |
| topic | Atomic Physics |
| url | https://arxiv.org/abs/2509.24599 |