A Mid-Infrared Platform Based on Strontium Tweezer Arrays
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arXiv
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| Autores principales: | , , , , , , , , , , |
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| Formato: | Preprint |
| Publicado: |
2026
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| Materias: | |
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| _version_ | 1866914623760891904 |
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| author | Holman, Aaron Sun, Ximo Seo, Bojeong Corn, Joshua Zhu, Zezheng Xu, Yuan Wu, Jiahao Yu, Nanfang Filin, Dmytro Safronova, Marianna Will, Sebastian |
| author_facet | Holman, Aaron Sun, Ximo Seo, Bojeong Corn, Joshua Zhu, Zezheng Xu, Yuan Wu, Jiahao Yu, Nanfang Filin, Dmytro Safronova, Marianna Will, Sebastian |
| contents | Subwavelength atomic tweezer arrays, in which atoms can be positioned at distances smaller than their emission wavelength, have been proposed as a versatile platform to study collective emission phenomena, such as superradiance and subradiance. Experimentally, the realization of such arrays has been a challenge as typical emission wavelengths in the visible or near-infrared are short compared to typical tweezer spacings in the micrometer range. Here, we use $^{88}$Sr atoms in optical tweezer arrays to access a mid-infrared transition at 2,923 nm ($5s5p\:^{3}P_{2} \rightarrow\, 5s4d\:^{3}D_{3}$). We identify a magic trapping wavelength at 597.14(3) nm and demonstrate single-atom preparation and imaging with high fidelity. In addition, using 2,923 nm light, we demonstrate resolved-sideband cooling of tweezer-trapped strontium. Beyond enabling studies of collective emission phenomena in flexible arrangements of atoms, our platform opens novel opportunities for dipolar many-body physics and enhanced control over Rydberg dynamics and the strontium fine-structure qubit. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2606_02560 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | A Mid-Infrared Platform Based on Strontium Tweezer Arrays Holman, Aaron Sun, Ximo Seo, Bojeong Corn, Joshua Zhu, Zezheng Xu, Yuan Wu, Jiahao Yu, Nanfang Filin, Dmytro Safronova, Marianna Will, Sebastian Atomic Physics Quantum Gases Applied Physics Optics Quantum Physics Subwavelength atomic tweezer arrays, in which atoms can be positioned at distances smaller than their emission wavelength, have been proposed as a versatile platform to study collective emission phenomena, such as superradiance and subradiance. Experimentally, the realization of such arrays has been a challenge as typical emission wavelengths in the visible or near-infrared are short compared to typical tweezer spacings in the micrometer range. Here, we use $^{88}$Sr atoms in optical tweezer arrays to access a mid-infrared transition at 2,923 nm ($5s5p\:^{3}P_{2} \rightarrow\, 5s4d\:^{3}D_{3}$). We identify a magic trapping wavelength at 597.14(3) nm and demonstrate single-atom preparation and imaging with high fidelity. In addition, using 2,923 nm light, we demonstrate resolved-sideband cooling of tweezer-trapped strontium. Beyond enabling studies of collective emission phenomena in flexible arrangements of atoms, our platform opens novel opportunities for dipolar many-body physics and enhanced control over Rydberg dynamics and the strontium fine-structure qubit. |
| title | A Mid-Infrared Platform Based on Strontium Tweezer Arrays |
| topic | Atomic Physics Quantum Gases Applied Physics Optics Quantum Physics |
| url | https://arxiv.org/abs/2606.02560 |