Narrow-linewidth Fano microcavities with resonant subwavelength grating mirror
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arXiv
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| Autori principali: | , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866913313392164864 |
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| author | Mitra, Trishala Singh, Gurpreet Darki, Ali Akbar Madsen, Søren Peder Dantan, Aurélien |
| author_facet | Mitra, Trishala Singh, Gurpreet Darki, Ali Akbar Madsen, Søren Peder Dantan, Aurélien |
| contents | We report on the theoretical and experimental investigations of optical microcavities consisting in the plane-plane arrangement of a broadband high-reflectivity mirror and a suspended one-dimensional grating mirror possessing a high-quality factor Fano resonance. By varying the length of these cavities from the millimeter to the few-micron range, we observe at short lengths the reduction of the spectral linewidth predicted to occur for such a Fano cavity as compared to a conventional broadband mirror cavity with the same length and internal losses. Such narrow linewidth and small modevolume microcavities with high-mechanical quality ultrathin mirrors will be attractive for a wide range of applications within optomechanics and sensing. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_05597 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Narrow-linewidth Fano microcavities with resonant subwavelength grating mirror Mitra, Trishala Singh, Gurpreet Darki, Ali Akbar Madsen, Søren Peder Dantan, Aurélien Optics We report on the theoretical and experimental investigations of optical microcavities consisting in the plane-plane arrangement of a broadband high-reflectivity mirror and a suspended one-dimensional grating mirror possessing a high-quality factor Fano resonance. By varying the length of these cavities from the millimeter to the few-micron range, we observe at short lengths the reduction of the spectral linewidth predicted to occur for such a Fano cavity as compared to a conventional broadband mirror cavity with the same length and internal losses. Such narrow linewidth and small modevolume microcavities with high-mechanical quality ultrathin mirrors will be attractive for a wide range of applications within optomechanics and sensing. |
| title | Narrow-linewidth Fano microcavities with resonant subwavelength grating mirror |
| topic | Optics |
| url | https://arxiv.org/abs/2402.05597 |