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| Autori principali: | , , , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| Soggetti: | |
| Accesso online: | https://arxiv.org/abs/2510.07054 |
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| _version_ | 1866914081562165248 |
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| author | Eikelmann, Timo Brinkmann, Mara Eggers, Leonie Ulas, Tuncay Imeri, Donika Beck, Konstantin Irrgang, Lasse Jens Mahato, Sunil Kumar Shah, Rikhav Riedinger, Ralf |
| author_facet | Eikelmann, Timo Brinkmann, Mara Eggers, Leonie Ulas, Tuncay Imeri, Donika Beck, Konstantin Irrgang, Lasse Jens Mahato, Sunil Kumar Shah, Rikhav Riedinger, Ralf |
| contents | Nanophotonic light-matter interfaces hold great promise for quantum technologies. Enhancing local electromagnetic fields, they enable highly efficient detectors, can help realize optically connected processors, or serve as quantum repeaters. In-situ fiber-coupling at sub-Kelvin temperatures, as required for test and development of new devices, proves challenging as suitable cryogenic microscopes are not readily available. Here, we report on a robust and versatile confocal imaging system integrated in a dilution refrigerator, enabling high-resolution visualization of nanophotonic structures on a transparent diamond substrate. Our imaging system achieves a resolution of 1.1 μm and a field-of-view of 2.5 mm. The system requires no movable parts at cryogenic temperatures and features a large working distance, thereby allowing optical and microwave probe access, as well as direct anchoring of temperature sensitive samples to a cold finger, needed for applications with high thermal load. This system will facilitate the development of scalable, integrated quantum optics technology, as required for research on large scale quantum networks. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_07054 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | High-Performance Imaging in a Dilution Refrigerator Eikelmann, Timo Brinkmann, Mara Eggers, Leonie Ulas, Tuncay Imeri, Donika Beck, Konstantin Irrgang, Lasse Jens Mahato, Sunil Kumar Shah, Rikhav Riedinger, Ralf Quantum Physics Nanophotonic light-matter interfaces hold great promise for quantum technologies. Enhancing local electromagnetic fields, they enable highly efficient detectors, can help realize optically connected processors, or serve as quantum repeaters. In-situ fiber-coupling at sub-Kelvin temperatures, as required for test and development of new devices, proves challenging as suitable cryogenic microscopes are not readily available. Here, we report on a robust and versatile confocal imaging system integrated in a dilution refrigerator, enabling high-resolution visualization of nanophotonic structures on a transparent diamond substrate. Our imaging system achieves a resolution of 1.1 μm and a field-of-view of 2.5 mm. The system requires no movable parts at cryogenic temperatures and features a large working distance, thereby allowing optical and microwave probe access, as well as direct anchoring of temperature sensitive samples to a cold finger, needed for applications with high thermal load. This system will facilitate the development of scalable, integrated quantum optics technology, as required for research on large scale quantum networks. |
| title | High-Performance Imaging in a Dilution Refrigerator |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2510.07054 |