Superradiant active optical atomic clocks: motivations and current challenges
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| Format: | Preprint |
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2024
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| _version_ | 1866916521487368192 |
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| author | Matusko, Martina Delehaye, Marion |
| author_facet | Matusko, Martina Delehaye, Marion |
| contents | Current state-of-the-art frequency standards are passive optical atomic clocks where the frequency of an optical resonator is stabilized to a narrow atomic transition. Passive clocks have achieved unprecedented stabilities of 6.6 x 10--19 over one hour of averaging time [1]. However, they face intrinsic limitations, particularly due to thermal and mechanical fluctuations of the local oscillator. To surpass the limitations of the passive clocks and go beyond the state-of-the-art, the idea of building active optical atomic clocks emerges. These clocks would be optical counterparts of hydrogen masers, with the emitted frequency defined by the atomic transition and therefore inherently stable against cavity instabilities. This paper discusses the latest developments and future prospects in the field of active optical atomic clocks. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2411_03760 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Superradiant active optical atomic clocks: motivations and current challenges Matusko, Martina Delehaye, Marion Atomic Physics Current state-of-the-art frequency standards are passive optical atomic clocks where the frequency of an optical resonator is stabilized to a narrow atomic transition. Passive clocks have achieved unprecedented stabilities of 6.6 x 10--19 over one hour of averaging time [1]. However, they face intrinsic limitations, particularly due to thermal and mechanical fluctuations of the local oscillator. To surpass the limitations of the passive clocks and go beyond the state-of-the-art, the idea of building active optical atomic clocks emerges. These clocks would be optical counterparts of hydrogen masers, with the emitted frequency defined by the atomic transition and therefore inherently stable against cavity instabilities. This paper discusses the latest developments and future prospects in the field of active optical atomic clocks. |
| title | Superradiant active optical atomic clocks: motivations and current challenges |
| topic | Atomic Physics |
| url | https://arxiv.org/abs/2411.03760 |