Spatial beam self-cleaning in multimode lanthanum aluminum silicate glass fiber

TL;DR

This paper demonstrates spatial Kerr beam self-cleaning in a highly multimode lanthanum aluminum silicate glass fiber, highlighting a novel fabrication method that enables advanced nonlinear optical applications.

Contribution

It introduces a new fabrication approach for doped multimode fibers with tailored refractive index profiles for nonlinear optics.

Findings

Spatial Kerr beam self-cleaning observed in the fiber

Fabrication method allows for homogeneous, quasi-parabolic refractive index profiles

Potential for enhanced nonlinear optical device design

Abstract

We demonstrated that spatial Kerr beam self-cleaning can be obtained in a highly multimode multicomponent optical fiber based on lanthanum aluminum silicate oxide glasses (SiO2-Al2O3-La2O3), which was made by using the modified powder in tube technology (MIPT). We show how such fabrication method can provide interesting potentialities to design doped multimode optical fibers with homogeneous and quasi-parabolic refractive-index core profile for nonlinear optics applications.