Temperature-insensitive tunable and stable Fabry-Perot cavity for atomic physics
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arXiv
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| Autori principali: | , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2026
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| _version_ | 1866915857194549248 |
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| author | Ruelle, Joshua Hauden, Martin Ponciano-Ojeda, Francisco S. Delehaye, Marion |
| author_facet | Ruelle, Joshua Hauden, Martin Ponciano-Ojeda, Francisco S. Delehaye, Marion |
| contents | Optical Fabry-Perot cavities are crucial tools for metrology experiments, where they achieve extreme length stability, and for some atomic physics experiments, where tunability to atomic transitions enables atom-light interactions. However, achieving both frequency stability and tunability in a single cavity has remained a challenge, forcing metrology experiments exploiting atom-cavity interactions to rely on external active feedback systems to stabilize the length of the cavity. Here, we describe a piezoelectrically-tunable cavity with a cancellation of the coefficient of thermal expansion at around $5^\circ\mathrm{C}$, achieving fractional frequency instabilities at the $4\times 10^{-13}$ level for 1~s integration time. This advance eliminates the need for external stabilization in many atom-cavity experiments, making this design ideal for applications such as ultra-stable superradiant lasers and other cavity quantum electrodynamics experiments. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_11817 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Temperature-insensitive tunable and stable Fabry-Perot cavity for atomic physics Ruelle, Joshua Hauden, Martin Ponciano-Ojeda, Francisco S. Delehaye, Marion Optics Atomic Physics Instrumentation and Detectors Optical Fabry-Perot cavities are crucial tools for metrology experiments, where they achieve extreme length stability, and for some atomic physics experiments, where tunability to atomic transitions enables atom-light interactions. However, achieving both frequency stability and tunability in a single cavity has remained a challenge, forcing metrology experiments exploiting atom-cavity interactions to rely on external active feedback systems to stabilize the length of the cavity. Here, we describe a piezoelectrically-tunable cavity with a cancellation of the coefficient of thermal expansion at around $5^\circ\mathrm{C}$, achieving fractional frequency instabilities at the $4\times 10^{-13}$ level for 1~s integration time. This advance eliminates the need for external stabilization in many atom-cavity experiments, making this design ideal for applications such as ultra-stable superradiant lasers and other cavity quantum electrodynamics experiments. |
| title | Temperature-insensitive tunable and stable Fabry-Perot cavity for atomic physics |
| topic | Optics Atomic Physics Instrumentation and Detectors |
| url | https://arxiv.org/abs/2603.11817 |