Simultaneous nondestructive measurement of many polar molecules using Rydberg atoms
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arXiv
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866912822648111104 |
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| author | Young, Jeremy T. Ni, Kang-Kuen Gorshkov, Alexey V. |
| author_facet | Young, Jeremy T. Ni, Kang-Kuen Gorshkov, Alexey V. |
| contents | Tweezer arrays of polar molecules present new opportunities for quantum science and quantum information. However, a major challenge, especially in bialkali molecule platforms, is the fact that current measurement schemes for the internal states are destructive. In this work, we present a method to use Rydberg atoms to nondestructively measure the internal state of a molecular qubit. We achieve this via microwave dressing of both molecules and Rydberg atoms, allowing us to tune the interactions so that there are minimal Rydberg-Rydberg interactions and many measurements can take place simultaneously. We consider two experimentally-motivated examples of detecting $^{23}$Na$^{133}$Cs and $^{87}$Rb$^{133}$Cs with $^{133}$Cs atoms. Finally, we discuss several strategies for mitigating various sources of crosstalk. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_08921 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Simultaneous nondestructive measurement of many polar molecules using Rydberg atoms Young, Jeremy T. Ni, Kang-Kuen Gorshkov, Alexey V. Quantum Physics Atomic Physics Tweezer arrays of polar molecules present new opportunities for quantum science and quantum information. However, a major challenge, especially in bialkali molecule platforms, is the fact that current measurement schemes for the internal states are destructive. In this work, we present a method to use Rydberg atoms to nondestructively measure the internal state of a molecular qubit. We achieve this via microwave dressing of both molecules and Rydberg atoms, allowing us to tune the interactions so that there are minimal Rydberg-Rydberg interactions and many measurements can take place simultaneously. We consider two experimentally-motivated examples of detecting $^{23}$Na$^{133}$Cs and $^{87}$Rb$^{133}$Cs with $^{133}$Cs atoms. Finally, we discuss several strategies for mitigating various sources of crosstalk. |
| title | Simultaneous nondestructive measurement of many polar molecules using Rydberg atoms |
| topic | Quantum Physics Atomic Physics |
| url | https://arxiv.org/abs/2601.08921 |