CQDs (carbon quantum dots) have attracted a lot of attention in the field of photocatalysis
due to its absorption of visible light, up-conversion luminescence, rich free groups on the …

Since its first demonstration in graded-index multimode fibers, spatial beam self-cleaning
has attracted a growing research interest. It allows for the propagation of beams with a bell …

Supercontinuum (SC) light sources hold versatile applications in many fields ranging from
imaging microscopic structural dynamics to achieving frequency comb metrology. Although …

We report on the thermalization of light carrying orbital angular momentum in multimode
optical fibers, induced by nonlinear intermodal interactions. A generalized Rayleigh-Jeans …

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 …

Multimode optical fibers are attracting a growing interest for their capability to transport high-
power laser beams, coupled with novel nonlinear optics-based applications. However …

Wastewater containing organic pollutants, such as dyes, antibiotics or pesticides, is a major
environmental problem. Photocatalysis is an effective, environmentally friendly and …

We experimentally and numerically study the ignition of helical-shaped plasma filaments in
standard optical fibers. Femtosecond pulses with megawatt peak power with proper off-axis …

Atoms ionization by the simultaneous absorption of multiple photons has found applications
in fiber optics, where it leads to unique nonlinear phenomena. To date, studies of the …

Spatial self-imaging, consisting of the periodic replication of the optical transverse beam
profile along the propagation direction, can be achieved in guided wave systems when all …