publication . Article . 2003

A model to obtain an optimum erbium desity for gain increasing in EDFA

E. Arzi; A. Hassani; F. E. Seraji;
Open Access English
  • Published: 01 Dec 2003 Journal: Iranian Journal of Physics Research (issn: 1682-6957, Copyright policy)
  • Publisher: Isfahan University of Technology
Abstract
  In this paper, we suggest a novel model, based on input pump power and wave guidestructure, to calculate the Er-density profile in Erbium doped fiber amplifiers. This optimization is carried out for both SMF and DSF fibers. These optimized profiles have a Gaussian-like shape. Using the SMF optimized Er-density profile, high gain enhancement is obtained in a relatively short length of fibers. On the other hand, the DSF optimized profile shows small changes in the gain, which agrees with the previously report on other method of gain enhancement. This model is applicable to all active waveguides and any other dopant as well .
Subjects
arXiv: Physics::Optics
free text keywords: erbium doped amplifiers, fiber optics, fiber amplifiers, optical communication, optimization, gain enhancement., Physics, QC1-999
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