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Mitigating stimulated Brillouin scattering in multimode fibers with focused output via wavefront shaping

The key challenge for high-power delivery through optical fibers is overcoming nonlinear optical effects. To keep a smooth output beam, most techniques for mitigating optical nonlinearities are restricted to single-mode fibers. Moving out of the single-mode paradigm, we show experimentally that wave...

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Autores principales: Chen, Chun-Wei, Nguyen, Linh V., Wisal, Kabish, Wei, Shuen, Warren-Smith, Stephen C., Henderson-Sapir, Ori, Schartner, Erik P., Ahmadi, Peyman, Ebendorff-Heidepriem, Heike, Stone, A. Douglas, Ottaway, David J., Cao, Hui
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10643398/
https://www.ncbi.nlm.nih.gov/pubmed/37957145
http://dx.doi.org/10.1038/s41467-023-42806-1
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author Chen, Chun-Wei
Nguyen, Linh V.
Wisal, Kabish
Wei, Shuen
Warren-Smith, Stephen C.
Henderson-Sapir, Ori
Schartner, Erik P.
Ahmadi, Peyman
Ebendorff-Heidepriem, Heike
Stone, A. Douglas
Ottaway, David J.
Cao, Hui
author_facet Chen, Chun-Wei
Nguyen, Linh V.
Wisal, Kabish
Wei, Shuen
Warren-Smith, Stephen C.
Henderson-Sapir, Ori
Schartner, Erik P.
Ahmadi, Peyman
Ebendorff-Heidepriem, Heike
Stone, A. Douglas
Ottaway, David J.
Cao, Hui
author_sort Chen, Chun-Wei
collection PubMed
description The key challenge for high-power delivery through optical fibers is overcoming nonlinear optical effects. To keep a smooth output beam, most techniques for mitigating optical nonlinearities are restricted to single-mode fibers. Moving out of the single-mode paradigm, we show experimentally that wavefront-shaping of coherent input light to a highly multimode fiber can increase the power threshold for stimulated Brillouin scattering (SBS) by an order of magnitude, whilst simultaneously controlling the output beam profile. The SBS suppression results from an effective broadening of the Brillouin spectrum under multimode excitation, without broadening of transmitted light. Strongest suppression is achieved with selective mode excitation that gives the broadest Brillouin spectrum. Our method is efficient, robust, and applicable to continuous waves and pulses. This work points toward a promising route for mitigating detrimental nonlinear effects in optical fibers, enabling further power scaling of high-power fiber systems for applications to directed energy, remote sensing, and gravitational-wave detection.
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spelling pubmed-106433982023-11-13 Mitigating stimulated Brillouin scattering in multimode fibers with focused output via wavefront shaping Chen, Chun-Wei Nguyen, Linh V. Wisal, Kabish Wei, Shuen Warren-Smith, Stephen C. Henderson-Sapir, Ori Schartner, Erik P. Ahmadi, Peyman Ebendorff-Heidepriem, Heike Stone, A. Douglas Ottaway, David J. Cao, Hui Nat Commun Article The key challenge for high-power delivery through optical fibers is overcoming nonlinear optical effects. To keep a smooth output beam, most techniques for mitigating optical nonlinearities are restricted to single-mode fibers. Moving out of the single-mode paradigm, we show experimentally that wavefront-shaping of coherent input light to a highly multimode fiber can increase the power threshold for stimulated Brillouin scattering (SBS) by an order of magnitude, whilst simultaneously controlling the output beam profile. The SBS suppression results from an effective broadening of the Brillouin spectrum under multimode excitation, without broadening of transmitted light. Strongest suppression is achieved with selective mode excitation that gives the broadest Brillouin spectrum. Our method is efficient, robust, and applicable to continuous waves and pulses. This work points toward a promising route for mitigating detrimental nonlinear effects in optical fibers, enabling further power scaling of high-power fiber systems for applications to directed energy, remote sensing, and gravitational-wave detection. Nature Publishing Group UK 2023-11-13 /pmc/articles/PMC10643398/ /pubmed/37957145 http://dx.doi.org/10.1038/s41467-023-42806-1 Text en © The Author(s) 2023 https://creativecommons.org/licenses/by/4.0/Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) .
spellingShingle Article
Chen, Chun-Wei
Nguyen, Linh V.
Wisal, Kabish
Wei, Shuen
Warren-Smith, Stephen C.
Henderson-Sapir, Ori
Schartner, Erik P.
Ahmadi, Peyman
Ebendorff-Heidepriem, Heike
Stone, A. Douglas
Ottaway, David J.
Cao, Hui
Mitigating stimulated Brillouin scattering in multimode fibers with focused output via wavefront shaping
title Mitigating stimulated Brillouin scattering in multimode fibers with focused output via wavefront shaping
title_full Mitigating stimulated Brillouin scattering in multimode fibers with focused output via wavefront shaping
title_fullStr Mitigating stimulated Brillouin scattering in multimode fibers with focused output via wavefront shaping
title_full_unstemmed Mitigating stimulated Brillouin scattering in multimode fibers with focused output via wavefront shaping
title_short Mitigating stimulated Brillouin scattering in multimode fibers with focused output via wavefront shaping
title_sort mitigating stimulated brillouin scattering in multimode fibers with focused output via wavefront shaping
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10643398/
https://www.ncbi.nlm.nih.gov/pubmed/37957145
http://dx.doi.org/10.1038/s41467-023-42806-1
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