Absorption and emission cross section of Yb3+ ions in Al2O3 and P2O5 doped fibers

TL;DR

This paper measures the emission and absorption cross sections of Yb3+ ions in alumosilicate and phosphosilicate fibers using spectroscopic and saturation techniques, revealing significant spectral differences between the two fiber types.

Contribution

It provides new comparative data on Yb3+ ion cross sections in different doped silica fibers using multiple measurement methods.

Findings

Significant spectral differences in Yb3+ cross sections between alumosilicate and phosphosilicate fibers.

Use of both spectroscopic and optical saturation techniques for cross section measurement.

Data enhances understanding of Yb3+ ion behavior in different fiber matrices.

Abstract

The results of measurements of the emission and absorption cross section for the transition 2F5/2 -> 2F7/2 of Yb3+ ions in Al2O3 and P2O5 doped silica fibers are presented. Different techniques based on spectroscopic data, and more direct technique involving optical saturation of the transition are employed. The data obtained indicate an essential difference in cross section spectra of Yb3+ ions in alumosilicate and phosphosilicate fibers.