Zeeman-Hyperfine Measurements of a Pseudo-Degenerate Quadruplet in CaF$_2$:Ho$^{3+}$
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arXiv
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| Format: | Preprint |
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2022
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| author | Smith, Kieran M. Reid, Michael F. Wells, Jon-Paul R. |
| author_facet | Smith, Kieran M. Reid, Michael F. Wells, Jon-Paul R. |
| contents | We report Zeeman infra-red spectroscopy of electronic-nuclear levels of $^5$I$_8 \rightarrow ^5$I$_7$ transitions of Ho$^{3+}$ in the C$_{\rm 4v}$(F$^-$) centre in CaF$_2$ with the magnetic field along the $\langle 111\rangle$ direction of the crystal. Transitions to the lowest $^5$I$_7$ state, an isolated electronic doublet, and the next group of states, a pseudo-quadruplet consisting of a doublet and two nearby singlets, exhibit strongly non-linear Zeeman splittings and intensity variations. Simulated spectra based upon a crystal-field analysis give an excellent approximation to the data, illustrating the strong predictive ability of the parametrised crystal-field approach. Anti-crossings in the hyperfine splittings, the basis of quantum information storage in rare-earth doped insulating dielectrics, are also predicted. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2206_09047 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Zeeman-Hyperfine Measurements of a Pseudo-Degenerate Quadruplet in CaF$_2$:Ho$^{3+}$ Smith, Kieran M. Reid, Michael F. Wells, Jon-Paul R. Materials Science Atomic Physics Quantum Physics We report Zeeman infra-red spectroscopy of electronic-nuclear levels of $^5$I$_8 \rightarrow ^5$I$_7$ transitions of Ho$^{3+}$ in the C$_{\rm 4v}$(F$^-$) centre in CaF$_2$ with the magnetic field along the $\langle 111\rangle$ direction of the crystal. Transitions to the lowest $^5$I$_7$ state, an isolated electronic doublet, and the next group of states, a pseudo-quadruplet consisting of a doublet and two nearby singlets, exhibit strongly non-linear Zeeman splittings and intensity variations. Simulated spectra based upon a crystal-field analysis give an excellent approximation to the data, illustrating the strong predictive ability of the parametrised crystal-field approach. Anti-crossings in the hyperfine splittings, the basis of quantum information storage in rare-earth doped insulating dielectrics, are also predicted. |
| title | Zeeman-Hyperfine Measurements of a Pseudo-Degenerate Quadruplet in CaF$_2$:Ho$^{3+}$ |
| topic | Materials Science Atomic Physics Quantum Physics |
| url | https://arxiv.org/abs/2206.09047 |