Measurements of noise-seeded dynamics in nonlinear fiber optics

M Närhi - 2017 - trepo.tuni.fi
Nonlinear physical systems are ubiquitous in nature-formation of sand dunes, currents
occuring in a rapidly flowing river or a simple double rod pedulum are just a few examples …

Real-time measurements of ultrafast instabilities in nonlinear fiber optics: recent advances

JM Dudley, P Ryczkowski, M Närhi… - 2019 21st …, 2019 - ieeexplore.ieee.org
Recent years have seen renewed interest in the study of nonlinear fibre laser and
propagation dynamics through the use of real-time measurement techniques for non …

Polarization chaos and random bit generation in nonlinear fiber optics induced by a time-delayed counter-propagating feedback loop

J Morosi, N Berti, A Akrout, A Picozzi, M Guasoni… - Optics …, 2018 - opg.optica.org
In this manuscript, we experimentally and numerically investigate the chaotic dynamics of
the state-of-polarization in a nonlinear optical fiber due to the cross-interaction between an …

Real-time observation of dissipative soliton formation in nonlinear polarization rotation mode-locked fibre lasers

J Peng, M Sorokina, S Sugavanam, N Tarasov… - Communications …, 2018 - nature.com
Formation of coherent structures and patterns from unstable uniform state or noise is a
fundamental physical phenomenon that occurs in various areas of science ranging from …

Machine learning analysis of extreme events in optical fibre modulation instability

M Närhi, L Salmela, J Toivonen, C Billet… - Nature …, 2018 - nature.com
A central research area in nonlinear science is the study of instabilities that drive extreme
events. Unfortunately, techniques for measuring such phenomena often provide only partial …

Numerical Prediction of Incoherent Modulation Instability Dynamics through Deep Learning Approaches

Y Boussafa, L Sader, BP Chaves, A Tonello… - European Quantum …, 2023 - opg.optica.org
In nonlinear fiber optics, Modulation Instability (MI) is characterized by the emergence of
new spectral components, either seeded from optical signals or appearing spontaneously …

Real-time measurements of dissipative solitons in a mode-locked fiber laser

P Ryczkowski, M Närhi, C Billet, JM Merolla… - arXiv preprint arXiv …, 2017 - arxiv.org
Dissipative solitons are remarkable localized states of a physical system that arise from the
dynamical balance between nonlinearity, dispersion and environmental energy exchange …

Fundamental nonlinear-optical interactions in photonic fibers: time-spectral visualization

A Efimov - Laser physics, 2008 - Springer
The nonlinear dynamics of optical signals propagating in fibers or waveguides can be quite
complex. Many nonlinear regimes manifest themselves in spectral transformations observed …

Real-time full bandwidth measurement of spectral noise in supercontinuum generation

B Wetzel, A Stefani, L Larger, PA Lacourt, JM Merolla… - Scientific reports, 2012 - nature.com
The ability to measure real-time fluctuations of ultrashort pulses propagating in optical fiber
has provided significant insights into fundamental dynamical effects such as modulation …

Exploring nonlinearities in multimode optical fibers for lasers and computing

U Tegin - 2021 - infoscience.epfl.ch
Multimode optical fibers are the backbone of telecommunication and medical imaging.
When light with high intensity travels through a multimode fiber, photons and matter start to …