The overall goal of photonics research is to understand and control light in new and richer
ways to facilitate new and richer applications. Many major developments to this end have …

The input power-induced transformation of the transverse intensity profile at the output of
graded-index multimode optical fibers from speckles into a bell-shaped beam sitting on a …

Multimode devices and components have attracted considerable attention in the last years,
and different research topics and themes have emerged very recently. The multimodality can …

The realization of beam self‐cleaning in a cavity is more challenging than in the outside
cavity. The peak power of intracavity pulses needs to be high to reach the threshold of beam …

Multimode fibers (MMFs) are gaining renewed interest for nonlinear effects due to their high-
dimensional spatiotemporal nonlinear dynamics and scalability for high power. High …

Recent studies have shown that light propagating in a nonlinear, highly multimode system
can thermalize in a manner totally analogous to that encountered in traditional statistical …

Experimental and numerical studies of spatiotemporal femtosecond soliton propagation over
up to 1 km spans of parabolic graded-index fibers reveal that initial multimode soliton pulses …

We develop a spatiotemporal mode decomposition technique to study the spatial and
temporal mode power distribution of ultrashort pulses in long spans of graded-index …

Spatial beam self-cleaning, a manifestation of the Kerr effect in graded-index multimode
fibers, involves a nonlinear transfer of power among modes, which leads to robust bell …

The nonlinear propagation of picosecond or femtosecond optical pulses in multimode fiber
amplifiers underlies a variety of intriguing physical phenomena as well as the potential for …