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Spatiotemporal Characterization of Supercontinuum Extending from the Visible to the Mid-Infrared in Multimode Graded-Index Optical Fiber
K. Krupa, C. Louot, V. Couderc +11
We experimentally demonstrate that pumping a graded-index multimode fiber with sub-ns pulses from a microchip Nd:YAG laser leads to spectrally flat supercontinuum generation with a…
Spatial beam self-cleaning in multimode fiber
Katarzyna Krupa, Alessandro Tonello, Badr M. Shalaby +5
Multimode optical fibres are enjoying a renewed attention, boosted by the urgent need to overcome the current capacity crunch of single-mode fibre systems and by recent advances in…
Observation of geometric parametric instability induced by the periodic spatial self-imaging of multimode waves
Katarzyna Krupa, Alessandro Tonello, Alain Barthélémy +5
Spatio-temporal mode coupling in highly multimode physical systems permits new routes for exploring complex instabilities and forming coherent wave structures. We present here the…