Spin-selective coherent light scattering from ion crystals
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arXiv
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| Auteurs principaux: | , , , , , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866917043318554624 |
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| author | Verde, Maurizio Schaefer, Ansgar Zenz, Benjamin Shehata, Zyad Richter, Stefan Schmiegelow, Christian T. von Zanthier, Joachim Schmidt-Kaler, Ferdinand |
| author_facet | Verde, Maurizio Schaefer, Ansgar Zenz, Benjamin Shehata, Zyad Richter, Stefan Schmiegelow, Christian T. von Zanthier, Joachim Schmidt-Kaler, Ferdinand |
| contents | We study coherent light scattering from linear crystals with up to twelve $^{40}\text{Ca}^+$ ions, acting as single photon emitters. Light-scattering is induced by two-photon laser excitation, starting from the S$_{1/2}\rightarrow$ D$_{5/2}$ quadrupole transition at 729~nm followed by the D$_{5/2}\rightarrow$ P$_{3/2}$ dipole transition at 854~nm, from where the ions decay back to the S$_{1/2}$ ground state via emission of a photon near 393~nm. We realize spin-selective excitation from the Zeeman-split ground states S$_{1/2}$, m$= \pm 1/2$, of the $\text{Ca}^+$ ions and observe in the far field spin-dependent interference patterns displaying the spin textures of the ion crystals. We investigate their dynamics by measuring the temporal evolution of the spatial Fourier frequencies of the observed patterns. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_12513 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Spin-selective coherent light scattering from ion crystals Verde, Maurizio Schaefer, Ansgar Zenz, Benjamin Shehata, Zyad Richter, Stefan Schmiegelow, Christian T. von Zanthier, Joachim Schmidt-Kaler, Ferdinand Atomic Physics Optics We study coherent light scattering from linear crystals with up to twelve $^{40}\text{Ca}^+$ ions, acting as single photon emitters. Light-scattering is induced by two-photon laser excitation, starting from the S$_{1/2}\rightarrow$ D$_{5/2}$ quadrupole transition at 729~nm followed by the D$_{5/2}\rightarrow$ P$_{3/2}$ dipole transition at 854~nm, from where the ions decay back to the S$_{1/2}$ ground state via emission of a photon near 393~nm. We realize spin-selective excitation from the Zeeman-split ground states S$_{1/2}$, m$= \pm 1/2$, of the $\text{Ca}^+$ ions and observe in the far field spin-dependent interference patterns displaying the spin textures of the ion crystals. We investigate their dynamics by measuring the temporal evolution of the spatial Fourier frequencies of the observed patterns. |
| title | Spin-selective coherent light scattering from ion crystals |
| topic | Atomic Physics Optics |
| url | https://arxiv.org/abs/2404.12513 |