Observation of optical undular bores in multiple four-wave mixing

J Fatome, C Finot, G Millot, A Armaroli, S Trillo - Physical Review X, 2014 - APS
We demonstrate that wave-breaking dramatically affects the dynamics of nonlinear
frequency conversion processes that operate in the regime of high efficiency (strong multiple …

Observation of the noise-driven thermalization of the Fermi-Pasta-Ulam-Tsingou recurrence in optical fibers

G Vanderhaegen, P Szriftgiser, A Kudlinski, M Conforti… - Physical Review A, 2022 - APS
We report the observation of the thermalization of the Fermi-Pasta-Ulam-Tsingou recurrence
process in optical fibers. We show the transition from a reversible regime to an irreversible …

[HTML][HTML] Instability and noise-induced thermalization of Fermi–Pasta–Ulam recurrence in the nonlinear Schrödinger equation

S Wabnitz, B Wetzel - Physics Letters A, 2014 - Elsevier
We investigate the spontaneous growth of noise that accompanies the nonlinear evolution of
seeded modulation instability into Fermi–Pasta–Ulam recurrence. Results from the Floquet …

Analytical model of dual-pumped Kerr micro-resonators for variable free spectral range and composite frequency comb generation

A Roy, R Haldar, SK Varshney - Journal of Lightwave Technology, 2018 - opg.optica.org
We develop an analytical model to understand the generation of tunable free spectral range
frequency comb (FC) and composite FC using two competing phenomena, namely …

Modulational instability due to cross-phase modulation versus multiple four-wave mixing: the normal dispersion regime

A Armaroli, S Trillo - JOSA B, 2014 - opg.optica.org
We investigate the propagation of two parallel polarized pump beams in the framework of a
single nonlinear Schrödinger equation in order to thoroughly understand the modulation …

Observation of modulationally unstable multi-wave mixing

J Fatome, C Finot, A Armaroli, S Trillo - Optics Letters, 2013 - hal.science
We demonstrate experimentally that multiple four-wave mixing pumped by a dual-frequency
input in a single-mode fiber is modulationally unstable. This collective type of instability …

Whitham modulation theory and two-phase instabilities for generalized nonlinear Schrödinger equations with full dispersion

P Sprenger, MA Hoefer, B Ilan - SIAM Journal on Applied Mathematics, 2024 - SIAM
The generalized nonlinear Schrödinger equation with full dispersion (FDNLS) is considered
in the semiclassical regime. The Whitham modulation equations are obtained for the FDNLS …

XPM-induced modulation instability in silicon-on-insulator nano-waveguides and the impact of nonlinear losses

D Chaturvedi, A Kumar, AK Mishra - Journal of Optics, 2018 - iopscience.iop.org
We have carried out an extensive theoretical study of cross-phase modulation induced
modulation instability (MI) in a silicon-on-insulator nano-waveguide for two co-propagating …

Self-induced modulational-instability-assisted frequency comb generation using a passive fiber ring cavity having varying normal dispersion

MI Afzal, K Alameh, YT Lee - IEEE Journal of Selected Topics …, 2014 - ieeexplore.ieee.org
We experimentally generate an optical frequency comb with a repetition rate of~ 43 GHz
using an all-passive fiber cavity operating in varying normal dispersion regime and pumped …

Mélange à quatre ondes multiple pour le traitement tout-optique du signal dans les fibres optiques non linéaires

M Baillot - 2017 - hal.science
Le mélange à quatre ondes est un effet non linéaire sensible à la phase qui suscite de
nombreux intérêts dans le domaine de la génération de peignes de fréquences et du …