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| Format: | Preprint |
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2025
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| Online-Zugang: | https://arxiv.org/abs/2512.14528 |
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| _version_ | 1866911322921238528 |
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| author | Gheorghita, Edward Wald, Sebastian Pupić, Andrea Hosten, Onur |
| author_facet | Gheorghita, Edward Wald, Sebastian Pupić, Andrea Hosten, Onur |
| contents | Continuously operating atom-light interfaces represent a key prerequisite for steady-state quantum sensors and efficient quantum processors. Here, we demonstrate continuous accumulation of sub-Doppler-cooled atoms in a shallow intracavity dipole trap, realizing this regime. The key ingredient is a light-shift manipulation that creates spatially varying cooling parameters, enabling efficient capture and accumulation of atoms within a cavity mode. Demonstrated with rubidium atoms, a continuous flux from a source cell is funneled through the magneto-optical trap into the cavity mode, where the atoms are cooled and maintained below $10~μ\text{K}$ in steady state without time-sequenced operation. We characterize the resulting continuously maintained ensemble of millions of atoms and its collective coupling to the cavity field, establishing a route toward continuously operated cavity-QED systems and long-duration atomic and hybrid quantum sensors. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_14528 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Continuous Accumulation of Cold Atoms in an Optical Cavity Gheorghita, Edward Wald, Sebastian Pupić, Andrea Hosten, Onur Quantum Physics Continuously operating atom-light interfaces represent a key prerequisite for steady-state quantum sensors and efficient quantum processors. Here, we demonstrate continuous accumulation of sub-Doppler-cooled atoms in a shallow intracavity dipole trap, realizing this regime. The key ingredient is a light-shift manipulation that creates spatially varying cooling parameters, enabling efficient capture and accumulation of atoms within a cavity mode. Demonstrated with rubidium atoms, a continuous flux from a source cell is funneled through the magneto-optical trap into the cavity mode, where the atoms are cooled and maintained below $10~μ\text{K}$ in steady state without time-sequenced operation. We characterize the resulting continuously maintained ensemble of millions of atoms and its collective coupling to the cavity field, establishing a route toward continuously operated cavity-QED systems and long-duration atomic and hybrid quantum sensors. |
| title | Continuous Accumulation of Cold Atoms in an Optical Cavity |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2512.14528 |