Highly efficient few-mode spatial beam self-cleaning at 1.5μm
| Autor: | Leventoux, Yann, Parriaux, A., Sidelnikov, O., Granger, Geoffroy, Jossent, Mathieu, Lavoute, Laure, Gaponov, D, marc, fabert, Tonello, Alessandro, Krupa, Katarzyna, Desfarges-Berthelemot, Agnès, Kermène, Vincent, Millot, Guy, Février, Sébastien, Stefan, Wabnitz, Couderc, V |
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| Přispěvatelé: | XLIM (XLIM), Université de Limoges (UNILIM)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Interdisciplinaire Carnot de Bourgogne [Dijon] (LICB), Université de Bourgogne (UB)-Université de Technologie de Belfort-Montbeliard (UTBM)-Centre National de la Recherche Scientifique (CNRS) |
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: | |
| Zdroj: | Optics Express Optics Express, Optical Society of America-OSA Publishing, 2020 |
| ISSN: | 1094-4087 |
| Popis: | International audience; We experimentally demonstrate that spatial beam self-cleaning can be highly efficient when obtained with a few-mode excitation in graded-index multimode optical fibers. By using 160 ps long, highly chirped (6 nm bandwidth at-3dB) optical pulses at 1562 nm, we demonstrate a one-decade reduction of the power threshold for spatial beam self-cleaning, with respect to previous experiments using pulses with laser wavelengths at 1030-1064 nm. Self-cleaned beams remain spatio-temporally stable for more than a decade of their peak power variation. The impact of input pulse temporal duration is also studied. |
| Databáze: | OpenAIRE |
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