Cold hybrid electrical-optical ion trap
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arXiv
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| Auteurs principaux: | , , , , , |
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| Format: | Preprint |
| Publié: |
2023
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| _version_ | 1866910980870504448 |
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| author | Cui, Jin-Ming Sun, Shi-Jia Luo, Xi-Wang Huang, Yun-Feng Li, Chuan-Feng Guo, Guang-Can |
| author_facet | Cui, Jin-Ming Sun, Shi-Jia Luo, Xi-Wang Huang, Yun-Feng Li, Chuan-Feng Guo, Guang-Can |
| contents | Advances in research such as quantum information and quantum chemistry require subtle methods for trapping particles (including ions, neutral atoms, molecules, etc.). Here we propose a hybrid ion trapping method by combining a Paul trap with optical tweezers. The trap combines the advances of the deep-potential feature for the Paul trap and the micromotion-free feature for the optical dipole trap. By modulating the optical-dipole trap synchronously with the radio frequency voltage of the Paul trap, the alternating electrical force in the trap center is fully counteracted, and the micromotion temperature of a cold trapped ion can reach the order of nK while the trap depth is beyond 300K. These features will enable cold collisions between an ion and an atom in the $s$-wave regime and stably trap the produced molecular ion in the cold hybrid system. This will provide a unique platform for probing the interactions between the ions and the surrounding neutral particles and enable the investigation of new reaction pathways and reaction products in the cold regime. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2306_10366 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Cold hybrid electrical-optical ion trap Cui, Jin-Ming Sun, Shi-Jia Luo, Xi-Wang Huang, Yun-Feng Li, Chuan-Feng Guo, Guang-Can Atomic Physics Quantum Physics Advances in research such as quantum information and quantum chemistry require subtle methods for trapping particles (including ions, neutral atoms, molecules, etc.). Here we propose a hybrid ion trapping method by combining a Paul trap with optical tweezers. The trap combines the advances of the deep-potential feature for the Paul trap and the micromotion-free feature for the optical dipole trap. By modulating the optical-dipole trap synchronously with the radio frequency voltage of the Paul trap, the alternating electrical force in the trap center is fully counteracted, and the micromotion temperature of a cold trapped ion can reach the order of nK while the trap depth is beyond 300K. These features will enable cold collisions between an ion and an atom in the $s$-wave regime and stably trap the produced molecular ion in the cold hybrid system. This will provide a unique platform for probing the interactions between the ions and the surrounding neutral particles and enable the investigation of new reaction pathways and reaction products in the cold regime. |
| title | Cold hybrid electrical-optical ion trap |
| topic | Atomic Physics Quantum Physics |
| url | https://arxiv.org/abs/2306.10366 |