Sub-nanosecond all-optically reconfigurable photonics in optical fibres
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arXiv
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| Auteurs principaux: | , , , |
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866914955949768704 |
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| author | Ji, Kunhao Richardson, David J. Wabnitz, Stefan Guasoni, Massimiliano |
| author_facet | Ji, Kunhao Richardson, David J. Wabnitz, Stefan Guasoni, Massimiliano |
| contents | We introduce a novel all-optical platform in multimode and multicore fibres. By using a low-power probe beam and a high-power counter-propagating control beam, we achieve advanced and dynamic control over light propagation within the fibres. This setup enables all-optical reconfiguration of the probe, which is achieved by solely tuning the control beam power. Key operations such as fully tuneable power splitting and mode conversion, core-to-core switching and combination, along with remote probe characterization, are demonstrated at the sub-nanosecond time scale. Our experimental results are supported by a theoretical model that extends to fibres with an arbitrary number of modes and cores. The implementation of these operations in a single platform underlines its versatility, a critical feature of next-generation photonic systems. These results represent a significant shift from existing methods that rely on electro-optical or thermo-optical modulation for tunability. They pave the way towards a fast and energy-efficient alternative through all-optical modulation, a keystone for the advancement of future reconfigurable optical networks and optical computing. Scaling these techniques to highly nonlinear materials could underpin ultrafast all-optically programmable integrated photonics. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_15929 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Sub-nanosecond all-optically reconfigurable photonics in optical fibres Ji, Kunhao Richardson, David J. Wabnitz, Stefan Guasoni, Massimiliano Optics Adaptation and Self-Organizing Systems Applied Physics We introduce a novel all-optical platform in multimode and multicore fibres. By using a low-power probe beam and a high-power counter-propagating control beam, we achieve advanced and dynamic control over light propagation within the fibres. This setup enables all-optical reconfiguration of the probe, which is achieved by solely tuning the control beam power. Key operations such as fully tuneable power splitting and mode conversion, core-to-core switching and combination, along with remote probe characterization, are demonstrated at the sub-nanosecond time scale. Our experimental results are supported by a theoretical model that extends to fibres with an arbitrary number of modes and cores. The implementation of these operations in a single platform underlines its versatility, a critical feature of next-generation photonic systems. These results represent a significant shift from existing methods that rely on electro-optical or thermo-optical modulation for tunability. They pave the way towards a fast and energy-efficient alternative through all-optical modulation, a keystone for the advancement of future reconfigurable optical networks and optical computing. Scaling these techniques to highly nonlinear materials could underpin ultrafast all-optically programmable integrated photonics. |
| title | Sub-nanosecond all-optically reconfigurable photonics in optical fibres |
| topic | Optics Adaptation and Self-Organizing Systems Applied Physics |
| url | https://arxiv.org/abs/2409.15929 |