592 citations · 2.3k across the 36 of their papers we have counts for
37 papers
Spatio-spectral light-by-light moulding in multimode fibre
Yago Arosa, Tigran Mansuryan, Arnaud Poisson +8
Controlling complex light waves to achieve desired behaviours or characteristics on demand presents a significant challenge. This task becomes even more complicated when manipulati…
Concatenation of Kerr solitary waves in Ceramic YAG: application to coherent Raman imaging
Nicholas Bagley, Sahar Wehbi, Tigran Mansuryan +12
A coherent concatenation of multiple Townes solitons may lead to a stable infrared and visible broadband filament in ceramic YAG polycrystal. This self-trapped soliton train is lev…
Optimum design of NOLM-driven mode-locked fiber lasers
Alix Malfondet, Alexandre Parriaux, Katarzyna Krupa +2
Most of the saturable absorbers commonly used to perform mode locking in laser cavities affect the trigger conditions of laser oscillation, which requires manually forcing the lase…
Semi-linear all-polarization-maintaining Yb-doped fiber laser oscillator manifesting dual operation regime at net anomalous dispersion
Mateusz Pielach, Agnieszka Jamrozik, Katarzyna Krupa +1
Ultrafast all-fiber Yb-doped fiber oscillators are usually associated with all-normal-dispersion cavities, which operate in a dissipative soliton regime, quintessential for pulsed…
Spatial Division Multiplexing for Multiplex Coherent Anti-Stokes Raman Scattering
T. Mansuryan, A. Tonello, K. Krupa +12
We demonstrate how a narrowband pump and a broadband spectrum can be spatially multiplexed by selective coupling them in two distinct modes of a few-mode microstructure fiber. The…
Observation of light thermalization to negative temperature Rayleigh-Jeans equilibrium states in multimode optical fibers
K. Baudin, J. Garnier, A. Fusaro +5
Although the temperature of a thermodynamic system is usually believed to be a positive quantity, under particular conditions, negative temperature equilibrium states are also poss…
Multimode optical fiber beam-by-beam cleanup
Mario Ferraro, Fabio Mangini, Yann Leventoux +8
We introduce and experimentally demonstrate the concept of all-optical beam switching in graded-index multimode optical fibers. Nonlinear coupling between orthogonally polarized se…
Numerical analysis of beam self-cleaning in multimode fiber amplifiers
Mesay Addisu Jima, Alessandro Tonello, Alioune Niang +6
Recent experimental results have reported the observation of beam self-cleaning or, more generally, nonlinear beam reshaping in active multimode fibers. In this work we present a n…
Studying the operation of an all-PM Yb-doped fiber laser oscillator at negative and positive net cavity dispersion
Mateusz Pielach, Jan Szczepanek, Katarzyna Krupa +1
Chirped fiber Bragg gratings in Yb-doped fiber lasers allow tuning the net cavity dispersion, thus enabling access to pulse dynamics beyond the typical all-normal-dispersion dissip…
Twin Spotlight Beam Generation in Quadratic Crystals
Raphaël Jauberteau, Sahar Wehbi, Tigran Mansuryan +6
Optical rogue waves have been extensively studied in the past two decades. However, observations of multidimensional extreme wave events remain surprisingly scarce. In this work we…
Frequency-Resolved Spatial Beam Mapping in Multimode Fibers: Application to Mid-Infrared Supercontinuum Generation
Y. Leventoux, G. Granger, K. Krupa +6
We present a new spatial-spectral mapping technique permitting to measure the beam intensity at the output of a graded-index (GRIN) multimode fiber with sub-nanometric spectral res…
Energy and wave-action flows underlying Rayleigh-Jeans thermalization of optical waves propagating in a multimode fiber
K. Baudin, A. Fusaro, J. Garnier +6
The wave turbulence theory predicts that a conservative system of nonlinear waves can exhibit a process of condensation, which originates in the singularity of the Rayleigh-Jeans e…
Dramatic acceleration of wave condensation mediated by disorder in multimode fibers
Adrien Fusaro, Josselin Garnier, Katarzyna Krupa +2
Classical nonlinear waves exhibit a phenomenon of condensation that results from the natural irreversible process of thermalization, in analogy with the quantum Bose-Einstein conde…
Wave condensation with weak disorder versus beam self-cleaning in multimode fibers
J. Garnier, A. Fusaro, K. Baudin +4
Classical nonlinear random waves can exhibit a process of condensation. It originates in the singularity of the Rayleigh-Jeans equilibrium distribution and it is characterized by t…
Spatiotemporal beam self-cleaning for high-resolution nonlinear fluorescence imaging with multimode fibres
Nawell Ould Moussa, Tigran Mansuryan, Charles Henri Hage +12
Beam self-cleaning (BSC) in graded-index (GRIN) multimode fibres (MMFs) has been recently reported by different research groups. Driven by the interplay between Kerr effect and bea…
3D time-domain beam mapping for studying nonlinear dynamics in multimode optical fibers
Y. Leventoux, G. Granger, K. Krupa +8
The characterization of the complex spatiotemporal dynamics of optical beam propagation in nonlinear multimode fibers requires the development of advanced measurement methods, capa…
Rayleigh-Jeans condensation of classical light : Observation and thermodynamic characterization
K. Baudin, A. Fusaro, K. Krupa +4
Theoretical studies on wave turbulence predict that a purely classical system of random waves can exhibit a process of condensation, in analogy with the quantum Bose-Einstein conde…
Coherent combining of self-cleaned multimode beams
Marc Fabert, Maria Săpânţan, Katarzyna Krupa +9
A low intensity light beam emerges from a graded-index, highly multimode optical fibre with a speckled shape, while at higher intensity the Kerr nonlinearity may induce a spontaneo…
Spatial beam self-cleaning in multimode lanthanum aluminum silicate glass fiber
Romain Guénard, Katarzyna Krupa, Alessandro Tonello +11
We demonstrated that spatial Kerr beam self-cleaning can be obtained in a highly multimode multicomponent optical fiber based on lanthanum aluminum silicate oxide glasses (SiO2-Al2…
Spatial Beam Self-Cleaning and Supercontinuum Generation with Yb-doped Multimode Graded-Index Fiber Taper Based on Accelerating Self-Imaging and Dissipative Landscape
A. Niang, T. Mansuryan, K. Krupa +7
We experimentally demonstrate spatial beam self-cleaning and supercontinuum generation in a tapered Ytterbium-doped multimode optical fiber with parabolic core refractive index and…
Wavefront shaping for optimized many-mode Kerr beam self-cleaning in graded-index multimode fiber
E. Deliancourt, M. Fabert, A. Tonello +7
We report experimental results, showing that the Kerr beam self-cleaning of many low-order modes in a graded-index multimode fiber can be controlled thanks to optimized wavefront s…
Refractive index profile tailoring of multimode optical fibers for the spatial and spectral shaping of parametric sidebands
Katarzyna Krupa, Vincent Couderc, Alessandro Tonello +4
We introduce the concept of spatial and spectral control of nonlinear parametric sidebands in multimode optical fibers by tailoring their linear refractive index profile. In all ca…
Hydrodynamic 2D turbulence and spatial beam condensation in multimode optical fibers
E. V. Podivilov, D. S. Kharenko, V. A. Gonta +6
We show that Kerr beam self-cleaning results from parametric mode mixing instabilities, that generate a number of nonlinearly interacting modes with randomized phases -- optical wa…
Nonlinear polarization dynamics of Kerr beam self-cleaning in a GRIN multimode optical fiber
Katarzyna Krupa, Graciela Garmendia Castañeda, Alessandro Tonello +8
We experimentally study polarization dynamics of Kerr beam self-cleaning in a graded-index multimode optical fiber. We show that spatial beam cleaning is accompanied by nonlinear p…