Dual-species Optical tweezer for Rb and K atoms
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| Main Authors: | , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866912089523617792 |
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| author | Wei, Yangbo Wei, Kedi Li, Shangjin Yan, Bo |
| author_facet | Wei, Yangbo Wei, Kedi Li, Shangjin Yan, Bo |
| contents | The optical tweezer experiment with neutral atoms is a focal topic in cold atom physics due to its significant potential in quantum computing and simulation. Here, we present the realization of a dual-species optical tweezer for both Rb and K atoms, marking the first step towards creating a polar molecule optical tweezer array. Initially, Rb and K atoms are collected using a dual magneto-optical trap (MOT) and further cooled to 7 $μ$K for Rb and 10 $μ$K for K. By employing 850 nm tweezer beams, we demonstrate the ability to capture individual Rb or K atoms. The filling ratios of Rb and K can be finely adjusted by controlling the atomic densities of both species. Utilizing the post-selection technique, we can create a deterministic array of two-species atoms, paving the way for future polar molecule array formation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_20761 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Dual-species Optical tweezer for Rb and K atoms Wei, Yangbo Wei, Kedi Li, Shangjin Yan, Bo Atomic Physics Quantum Gases The optical tweezer experiment with neutral atoms is a focal topic in cold atom physics due to its significant potential in quantum computing and simulation. Here, we present the realization of a dual-species optical tweezer for both Rb and K atoms, marking the first step towards creating a polar molecule optical tweezer array. Initially, Rb and K atoms are collected using a dual magneto-optical trap (MOT) and further cooled to 7 $μ$K for Rb and 10 $μ$K for K. By employing 850 nm tweezer beams, we demonstrate the ability to capture individual Rb or K atoms. The filling ratios of Rb and K can be finely adjusted by controlling the atomic densities of both species. Utilizing the post-selection technique, we can create a deterministic array of two-species atoms, paving the way for future polar molecule array formation. |
| title | Dual-species Optical tweezer for Rb and K atoms |
| topic | Atomic Physics Quantum Gases |
| url | https://arxiv.org/abs/2410.20761 |