Micro-cavity length stabilization for fluorescence enhancement using schemes based on higher order spatial modes
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| Main Authors: | , , , , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866910722183659520 |
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| author | Abdelatief, A. Shehata Renders, A. J. Alqedra, M. Hansen, J. J. Hunger, D. Rippe, L. Walther, A. |
| author_facet | Abdelatief, A. Shehata Renders, A. J. Alqedra, M. Hansen, J. J. Hunger, D. Rippe, L. Walther, A. |
| contents | We report on experimental investigation of potential high-performance cavity length stabilization using odd-indexed higher-order spatial modes. Schemes based on higher-order modes are particularly useful for micro-cavities that are used for enhanced fluorescence detection of a few emitters, which need to minimize photons leaking from a stabilization beam. We describe the design and construction of an assembly for a microcavity setup with tunable high passive stability. In addition, different types of active stabilization techniques based on higher-order modes, are then implemented and characterized based on their performance. We achieved a stability of about 0.5 pm RMS, while the error photons leaking from the continuous locking beam to a fluorescence detector are suppressed by more than 100-fold. We expect these results to be important for quantum technology implementations of various emitter-cavity setups, where these techniques provide a useful tool to meet the highly challenging demands. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_00271 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Micro-cavity length stabilization for fluorescence enhancement using schemes based on higher order spatial modes Abdelatief, A. Shehata Renders, A. J. Alqedra, M. Hansen, J. J. Hunger, D. Rippe, L. Walther, A. Optics Instrumentation and Detectors Quantum Physics We report on experimental investigation of potential high-performance cavity length stabilization using odd-indexed higher-order spatial modes. Schemes based on higher-order modes are particularly useful for micro-cavities that are used for enhanced fluorescence detection of a few emitters, which need to minimize photons leaking from a stabilization beam. We describe the design and construction of an assembly for a microcavity setup with tunable high passive stability. In addition, different types of active stabilization techniques based on higher-order modes, are then implemented and characterized based on their performance. We achieved a stability of about 0.5 pm RMS, while the error photons leaking from the continuous locking beam to a fluorescence detector are suppressed by more than 100-fold. We expect these results to be important for quantum technology implementations of various emitter-cavity setups, where these techniques provide a useful tool to meet the highly challenging demands. |
| title | Micro-cavity length stabilization for fluorescence enhancement using schemes based on higher order spatial modes |
| topic | Optics Instrumentation and Detectors Quantum Physics |
| url | https://arxiv.org/abs/2412.00271 |