All-fiber broadband spectral acousto-optic modulation of a tubular-lattice hollow-core optical fiber
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arXiv
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| Main Authors: | , , , , , , , |
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| Format: | Preprint |
| Published: |
2023
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| _version_ | 1866916865296564224 |
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| author | da Silva, Ricardo E. Osório, Jonas H. Rodrigues, Gabriel L. Webb, David J. Gérôme, Frédéric Benabid, Fetah Cordeiro, Cristiano M. B. Franco, Marcos A. R. |
| author_facet | da Silva, Ricardo E. Osório, Jonas H. Rodrigues, Gabriel L. Webb, David J. Gérôme, Frédéric Benabid, Fetah Cordeiro, Cristiano M. B. Franco, Marcos A. R. |
| contents | We demonstrate a broadband acousto-optic notch filter based on a tubular-lattice hollow-core fiber for the first time. The guided optical modes are modulated by acoustically induced dynamic long-period gratings along the fiber. The device is fabricated employing a short interaction length (7.7 cm) and low drive voltages (10 V). Modulated spectral bands with 20 nm half-width and maximum depths greater than 60 % are achieved. The resonant notch wavelength is tuned from 743 to 1355 nm (612 nm span) by changing the frequency of the electrical signal. The results indicate a broader tuning range compared to previous studies using standard and hollow-core fibers. It further reveals unique properties for reconfigurable spectral filters and fiber lasers, pointing to the fast switching and highly efficient modulation of all-fiber photonic devices. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2311_07776 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | All-fiber broadband spectral acousto-optic modulation of a tubular-lattice hollow-core optical fiber da Silva, Ricardo E. Osório, Jonas H. Rodrigues, Gabriel L. Webb, David J. Gérôme, Frédéric Benabid, Fetah Cordeiro, Cristiano M. B. Franco, Marcos A. R. Optics We demonstrate a broadband acousto-optic notch filter based on a tubular-lattice hollow-core fiber for the first time. The guided optical modes are modulated by acoustically induced dynamic long-period gratings along the fiber. The device is fabricated employing a short interaction length (7.7 cm) and low drive voltages (10 V). Modulated spectral bands with 20 nm half-width and maximum depths greater than 60 % are achieved. The resonant notch wavelength is tuned from 743 to 1355 nm (612 nm span) by changing the frequency of the electrical signal. The results indicate a broader tuning range compared to previous studies using standard and hollow-core fibers. It further reveals unique properties for reconfigurable spectral filters and fiber lasers, pointing to the fast switching and highly efficient modulation of all-fiber photonic devices. |
| title | All-fiber broadband spectral acousto-optic modulation of a tubular-lattice hollow-core optical fiber |
| topic | Optics |
| url | https://arxiv.org/abs/2311.07776 |