Anomalous sub-kelvin thermal frequency shifts of ultra narrow-linewidth solid state emitters
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arXiv
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| Autori principali: | , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866909404093218816 |
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| author | Lin, X. Hartman, M. T. Pointard, B. Targat, R. Le Goldner, P. Seidelin, S. Fang, B. Coq, Y. Le |
| author_facet | Lin, X. Hartman, M. T. Pointard, B. Targat, R. Le Goldner, P. Seidelin, S. Fang, B. Coq, Y. Le |
| contents | We investigate the frequency response of narrow spectral holes in a doped crystal structure as a function of temperature below 1 K. We identify a particular regime in which this response significantly deviates from the expected two-phonon Raman scattering theory. Namely, near 290 mK, we observed a behaviour exhibiting a temperature-dependent frequency shift of zero, to first-order. This is of particular interest for applications which require high frequency-stability, such as laser frequency stabilization, as by operating the scheme at this specific point would result in the spectral hole frequency being highly immune to temperature fluctuations, providing the potential for a laser fractional frequency instability as low as $\mathrm{\sim6\times10^{-22}}$ at 1 s. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2411_16687 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Anomalous sub-kelvin thermal frequency shifts of ultra narrow-linewidth solid state emitters Lin, X. Hartman, M. T. Pointard, B. Targat, R. Le Goldner, P. Seidelin, S. Fang, B. Coq, Y. Le Optics We investigate the frequency response of narrow spectral holes in a doped crystal structure as a function of temperature below 1 K. We identify a particular regime in which this response significantly deviates from the expected two-phonon Raman scattering theory. Namely, near 290 mK, we observed a behaviour exhibiting a temperature-dependent frequency shift of zero, to first-order. This is of particular interest for applications which require high frequency-stability, such as laser frequency stabilization, as by operating the scheme at this specific point would result in the spectral hole frequency being highly immune to temperature fluctuations, providing the potential for a laser fractional frequency instability as low as $\mathrm{\sim6\times10^{-22}}$ at 1 s. |
| title | Anomalous sub-kelvin thermal frequency shifts of ultra narrow-linewidth solid state emitters |
| topic | Optics |
| url | https://arxiv.org/abs/2411.16687 |