Hyperfine spectroscopy of optical-cycling transitions in singly ionized thulium
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arXiv
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| Autori principali: | , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866910101989752832 |
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| author | Müller, Patrick Tretiakov, Andrei Younes, Amanda Halawani, Nicole Campbell, Wesley C. Hamilton, Paul |
| author_facet | Müller, Patrick Tretiakov, Andrei Younes, Amanda Halawani, Nicole Campbell, Wesley C. Hamilton, Paul |
| contents | We present a spectroscopic investigation of $^{169}\mathrm{Tm}^+$ that provides two key foundations for its use as a platform for advanced quantum applications. First, we establish the complete spectroscopic road map for optical cycling (including laser cooling) by performing high-resolution spectroscopy on $^{169}\mathrm{Tm}^+$ ions in an ion trap. We characterize the primary $313\,\mathrm{nm}$ and complementary $448/453\,\mathrm{nm}$ cycling transitions, identify the essential near-infrared repumping frequencies, and determine the magnetic-dipole hyperfine $A$ constants for all relevant levels. Second, we report a detailed characterization of a metastable state as a candidate for hosting a robust qubit, performing lifetime measurements and Zeeman-resolved microwave hyperfine spectroscopy with $\mathrm{kHz}$ precision. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_14885 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Hyperfine spectroscopy of optical-cycling transitions in singly ionized thulium Müller, Patrick Tretiakov, Andrei Younes, Amanda Halawani, Nicole Campbell, Wesley C. Hamilton, Paul Atomic Physics Quantum Physics We present a spectroscopic investigation of $^{169}\mathrm{Tm}^+$ that provides two key foundations for its use as a platform for advanced quantum applications. First, we establish the complete spectroscopic road map for optical cycling (including laser cooling) by performing high-resolution spectroscopy on $^{169}\mathrm{Tm}^+$ ions in an ion trap. We characterize the primary $313\,\mathrm{nm}$ and complementary $448/453\,\mathrm{nm}$ cycling transitions, identify the essential near-infrared repumping frequencies, and determine the magnetic-dipole hyperfine $A$ constants for all relevant levels. Second, we report a detailed characterization of a metastable state as a candidate for hosting a robust qubit, performing lifetime measurements and Zeeman-resolved microwave hyperfine spectroscopy with $\mathrm{kHz}$ precision. |
| title | Hyperfine spectroscopy of optical-cycling transitions in singly ionized thulium |
| topic | Atomic Physics Quantum Physics |
| url | https://arxiv.org/abs/2512.14885 |