Paul Joseph Lemaire

Kinetic modeling of hydrogen induced degradation in erbium doped fiber amplifiers

In this paper we describe a single kinetic model consistent with current experimental results of the effect of hydrogen on erbium doped fiber, and derive three approximations to the model that can be used to fit data from fiber. Fits to data are shown for two of the three models.

The mastercurve method: analysis of diverse reliability issues in optical fibers and fiber gratings through a unified approach

This paper reviews the applicability of the mastercurve method for analyzing diverse reliability issues in fiber optics. Approaches to assess and predict small changes in optical properties of fiber gratings caused by thermally induced decrease in refractive index modulation, are presented and compared. The process of thermal stabilization to obtain gratings with excellent stability is explained. It is shown that the mastercurve approach when suitably modified could be used to analyze other reliability problems such as hydrogen induced loss and radiation induced effects in fibers.