Efficient, ultra-high attenuation fiber Bragg grating filter for photon noise suppression
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| Main Authors: | , , , , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866912140350193664 |
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| author | Field, Benjamin R. Mistry, Chintan Luo, Liguo Edvell, Goran Bland-Hawthorn, Joss Leon-Saval, Sergio Bartholomew, John G. |
| author_facet | Field, Benjamin R. Mistry, Chintan Luo, Liguo Edvell, Goran Bland-Hawthorn, Joss Leon-Saval, Sergio Bartholomew, John G. |
| contents | Precision optical filters are key components for current and future photonic technologies. Here, we demonstrate a low loss spectral filter consisting of an ultrasteep bandpass feature with a maximum gradient of (90.6$\pm$0.7) dB/GHz, centred within a notch filter with (128$\pm$6) dB of suppression. The filter consists of a fiber Bragg grating with multiple $π$-phase discontinuities inscribed into a single mode photosensitive fiber. The measured performance closely matches the simulated spectrum calculated from the design parameters indicating a high degree of confidence in the repeatability and manufacture of such devices. These filters show great promise for applications reliant on high-frequency resolution noise suppression, such as quantum networking, and highlight the opportunities for the versatility, efficiency, and extreme suppression offered by high-performance fiber Bragg grating devices. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_00981 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Efficient, ultra-high attenuation fiber Bragg grating filter for photon noise suppression Field, Benjamin R. Mistry, Chintan Luo, Liguo Edvell, Goran Bland-Hawthorn, Joss Leon-Saval, Sergio Bartholomew, John G. Optics Quantum Physics Precision optical filters are key components for current and future photonic technologies. Here, we demonstrate a low loss spectral filter consisting of an ultrasteep bandpass feature with a maximum gradient of (90.6$\pm$0.7) dB/GHz, centred within a notch filter with (128$\pm$6) dB of suppression. The filter consists of a fiber Bragg grating with multiple $π$-phase discontinuities inscribed into a single mode photosensitive fiber. The measured performance closely matches the simulated spectrum calculated from the design parameters indicating a high degree of confidence in the repeatability and manufacture of such devices. These filters show great promise for applications reliant on high-frequency resolution noise suppression, such as quantum networking, and highlight the opportunities for the versatility, efficiency, and extreme suppression offered by high-performance fiber Bragg grating devices. |
| title | Efficient, ultra-high attenuation fiber Bragg grating filter for photon noise suppression |
| topic | Optics Quantum Physics |
| url | https://arxiv.org/abs/2412.00981 |