Modular interface for efficient optical readout of diamond quantum memory at cryogenic temperatures via single-mode optical fibers
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arXiv
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| Autori principali: | , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866908590718058496 |
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| author | Kamimaki, Akira Sekiguchi, Yuhei Ito, Daisuke Fujiwara, Taichi Makino, Toshiharu Kato, Hiromitsu Kosaka, Hideo |
| author_facet | Kamimaki, Akira Sekiguchi, Yuhei Ito, Daisuke Fujiwara, Taichi Makino, Toshiharu Kato, Hiromitsu Kosaka, Hideo |
| contents | Efficient quantum devices across various physical systems have been rapidly developed for entanglement-based quantum repeaters and spin-photon conversion; however, far less attention has been paid to standardizing platforms through quantum memory optical interfaces. We present a modular interface for color centers in diamond that is structurally isolated from device-and temperature-related variation. Despite a more than 100-fold reduction in confocal volume, we achieve highly efficient photon collection through single-mode optical fibers, including zero-phonon line spectroscopy, at both room and cryogenic temperatures. These results establish a standardized minimal NV-center-based platform and pave the way for construction of scalable quantum infrastructure. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_07032 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Modular interface for efficient optical readout of diamond quantum memory at cryogenic temperatures via single-mode optical fibers Kamimaki, Akira Sekiguchi, Yuhei Ito, Daisuke Fujiwara, Taichi Makino, Toshiharu Kato, Hiromitsu Kosaka, Hideo Quantum Physics Efficient quantum devices across various physical systems have been rapidly developed for entanglement-based quantum repeaters and spin-photon conversion; however, far less attention has been paid to standardizing platforms through quantum memory optical interfaces. We present a modular interface for color centers in diamond that is structurally isolated from device-and temperature-related variation. Despite a more than 100-fold reduction in confocal volume, we achieve highly efficient photon collection through single-mode optical fibers, including zero-phonon line spectroscopy, at both room and cryogenic temperatures. These results establish a standardized minimal NV-center-based platform and pave the way for construction of scalable quantum infrastructure. |
| title | Modular interface for efficient optical readout of diamond quantum memory at cryogenic temperatures via single-mode optical fibers |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2510.07032 |