activity
20122025
most citedSpatial beam self-cleaning in multimode fiber

592 citations · 2.3k across the 36 of their papers we have counts for

collaborators

37 papers

physics.optics2025★ 1 cited

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…

physics.optics2024

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…

physics.optics2024★ 20 cited

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…

physics.optics2023★ 5 cited

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…

physics.optics2023

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…

physics.optics2023★ 52 cited

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…

physics.optics2022★ 24 cited

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…

physics.optics2022

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…

physics.optics2022★ 14 cited

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…

physics.optics2021

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…

physics.optics2021★ 7 cited

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…

physics.optics2020★ 15 cited

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…

physics.optics2020★ 89 cited

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…

physics.optics2020★ 31 cited

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…

physics.optics2020

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…

physics.optics2020

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…

physics.optics2020★ 110 cited

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…

physics.optics2020

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…

physics.optics2019★ 4 cited

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…

physics.optics2019★ 60 cited

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…

physics.optics2019★ 52 cited

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…

physics.optics2018★ 11 cited

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…

physics.optics2018★ 95 cited

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…

physics.optics2018★ 40 cited

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…