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Optical Engineering

Impact of small geometrical imperfections on chromatic dispersion and birefringence in photonic crystal fibers
Author(s): Mourad Zghal; Rim Cherif
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Paper Abstract

Slight geometrical imperfections that can occur during the fabrication process, in the lattice of index-guiding photonic crystal fibers (PCF), are evaluated to determine the sensitivity of the chromatic dispersion and the birefringence to these defects. Furthermore, the impact of fluctuations in the lattice profile of a real photonic crystal fiber on its propagation characteristics is pointed out. Numerical and experimental analyses show that chromatic dispersion of a large core PCF is more robust to the geometrical imperfections, while its birefringence reveals more sensitivity to these defects. This analysis is performed using the finite element method, which assures high solution accuracy.

Paper Details

Date Published: 1 December 2007
PDF: 7 pages
Opt. Eng. 46(12) 128002 doi: 10.1117/1.2821416
Published in: Optical Engineering Volume 46, Issue 12
Show Author Affiliations
Mourad Zghal, Ecole Supérieure des Communications de Tunis (Tunisia)
Rim Cherif, National Engineering School of Communication of Tunis (Tunisia)

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