Observation of a Brillouin dynamic grating in silicon nitride waveguides
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arXiv
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| Autori principali: | , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2023
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| _version_ | 1866909164455854080 |
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| author | Botter, Roel Hoogen, Jasper van den Mishra, Akhileshwar Ye, Kaixuan van Rees, Albert Hoekman, Marcel Boller, Klaus Marpaung, David |
| author_facet | Botter, Roel Hoogen, Jasper van den Mishra, Akhileshwar Ye, Kaixuan van Rees, Albert Hoekman, Marcel Boller, Klaus Marpaung, David |
| contents | Brillouin enhanced four wave mixing in the form of a Brillouin dynamic grating (BDG) enables a uniquely tunable filter, whose properties can be tuned by purely optical means. This makes the BDG a valuable tool in microwave photonics (MWP). BDGs have been studied extensively in fibers, but the only observation in an integrated platform required exotic materials. Unlocking BDG in a standard and mature platform will enable its integration into large-scale circuits. Here we demonstrate the first observation of a BDG in a silicon nitride (Si$_3$N$_4$) waveguide. We also present a new, optimized design, which will enhance the BDG response of the waveguide, unlocking a path to large-scale integration into MWP circuits. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2308_09814 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Observation of a Brillouin dynamic grating in silicon nitride waveguides Botter, Roel Hoogen, Jasper van den Mishra, Akhileshwar Ye, Kaixuan van Rees, Albert Hoekman, Marcel Boller, Klaus Marpaung, David Optics Applied Physics Brillouin enhanced four wave mixing in the form of a Brillouin dynamic grating (BDG) enables a uniquely tunable filter, whose properties can be tuned by purely optical means. This makes the BDG a valuable tool in microwave photonics (MWP). BDGs have been studied extensively in fibers, but the only observation in an integrated platform required exotic materials. Unlocking BDG in a standard and mature platform will enable its integration into large-scale circuits. Here we demonstrate the first observation of a BDG in a silicon nitride (Si$_3$N$_4$) waveguide. We also present a new, optimized design, which will enhance the BDG response of the waveguide, unlocking a path to large-scale integration into MWP circuits. |
| title | Observation of a Brillouin dynamic grating in silicon nitride waveguides |
| topic | Optics Applied Physics |
| url | https://arxiv.org/abs/2308.09814 |