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4 papers · 1 filter
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…
Dispersive wave emission in dual concentric core fiber: the role of soliton-soliton collisions
Alessandro Tonello, Daniele Modotto, Katarzyna Krupa +7
Soliton-soliton collisions have a crucial role in enhancing the spectrum of dispersive waves in optical fibers and collisions among in-phase solitons lead to a dramatic enhancement…
Light-induced scattering and energy transfer between orthogonally-polarized waves
M. A. Ellabban
We present a detailed experimental investigation on polarization-isotropic and polarization-anisotropic holographic scattering in lithium niobate crystal doped with iron when recor…