Nonlinear optical effects in multimode optical fibers (MMFs), such as the modal-phase matching of four-wave mixing (FWM) processes, have been
The finding that multimode optical fibres support a rich and complex mix of spatial and temporal nonlinear phenomena could yield a plethora of promising applications.
In this thesis, we seek to study nonlinear optical effects involving a small number of selectively excited scalar as well as vector spatial modes, and to develop experimental techniques
Multimode fibers (MMFs) are gaining renewed interest for nonlinear effects due to their high-dimensional spatiotemporal nonlinear dynamics and scalability for high power. High-brightness
Predicting nonlinear pulse propagation in graded-index multimode fibers (GI-MMFs) presents significant challenges, particularly for long-range spatio-temporal dynamics prediction.
Here, the authors discover long-range spatio-temporal correlations in multimode fibers with strong random mode mixing, revealing the possibility of
Locking different transverse and longitudinal modes of a multimode fiber generates controllable 3D ultrafast optical pulses.
Multimode fiber (MMF) lasers constitute a flexible platform to realize STML and spatiotemporal dissipative solitons (STDS, dissipative solitons circulating in nonlinear resonators with
Highly nonlinear effects are observed in graded-index multimode optical fibres. Multimode fibres are of interest for next-generation telecommunications systems and the construction of high
We develop multimode temporal devices based on single-mode time lenses that measure the dynamics of spatial modes in multimode fibers with high temporal resolution.
Multimode optical fibers represent the ideal platform for transferring multidimensional light states. However, dispersion degrades the correlations between the light''s degrees of freedom, thus limiting
Spatiotemporal non-linear dynamics in multimode systems may have important impli-cations for bre light sources that have higher power, broader fi bandwidth and greater tunability than
Here, we demonstrate that tailoring the spatiotemporal structure of ultrashort light pulses can overcome the physical limitations imposed by both chromatic and modal dispersion in multimode optical fibers.
So far, multimode fibers have mostly been relegated to low-power shortdistance links, as a result of which nonlinear propagation effects in the presence of multiple spatial modes has received
Abstract Nonlinear optics in multimode fibers (MMFs) has had a renaissance over the past two decades, driven by both basic and applied research. MMFs provide an ideal setting for
Using these methods, we uncover and report our observations of spatiotemporal nonlinear phenomena that are unique to multimodal systems. We first demonstrate nonlinear intermodal interference of
Here, the authors describe the control of the temporal shape and polarization of the total transmission through a multimode fibre. Most of the previous works studied spatial control of the
Spatiotemporal nonlinear interactions in multimode fibers are of interest for beam shaping and frequency conversion by exploiting the nonlinear interaction of different pump modes
Abstract We observe experimentally a novel spatiotemporal dynamics of multimode fibers allowing for a new type of parametric instability and an original phenomenon of light self-organisation.
In this article, we report the results of our studies on the effect of initial excitation condition of the GRIN MMFs to nonlinear spatiotemporal propagation by employing machine learning approaches.
Long-range correlations play a role in wave transport through disordered media but have rarely been studied in other systems. Here, the authors discover long-range spatio-temporal
We study nonlinear pulse propagation of high-energy ultrashort pulses in graded-index multimode fibers. By adjusting initial conditions, we observe and control a wide range of nonlinear
Multimode fibers (MMFs) have found applications in several fields in the last decades mainly in telecommunication and imaging1,2. In recent years, spatiotemporal nonlinearities in MMFs, have
Multimode fibers (MMFs) have recently reemerged as an attractive avenue for nonlinear effects due to their high-dimensional spatiotemporal nonlinear dynamics and scalability for high
While versatile spatiotemporal phenomena have been demonstrated in freely propagating fields, coupling spatiotemporal light into multimode fibers
The numerical results validate our approach of utilizing highly multimode excitation to mitigate nonlinear effects in high-power fiber amplifiers and performing input wavefront shaping to
In this thesis, I examine the work of my PhD that has explored nonlinear pulse propagation in multimode fibers.
Nonlinear interactions of short pulses in fibers lead to numerous effects that are implemented in microscopy, telecommunication, and quantum
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