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Advances in OptoElectronics
Volume 2015, Article ID 417401, 7 pages
http://dx.doi.org/10.1155/2015/417401
Research Article

Fivefold Symmetric Photonic Quasi-Crystal Fiber for Dispersion Compensation from S- to L-Band and Optimized at 1.55 μm

School of Electronics Engineering, VIT University, Vellore 632014, India

Received 11 May 2015; Accepted 14 July 2015

Academic Editor: Jayanta K. Sahu

Copyright © 2015 Sivacoumar Rajalingam and Zachariah C. Alex. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

A highly dispersive dual core quasi-periodic photonic crystal fiber is proposed for chromatic dispersion compensation. The dispersion for the dual concentric core fiber is optimized to compensate the chromatic dispersion with a high negative dispersion, accomplishing the communication bandwidth from S-band (1460 nm) to L-band (1625 nm). By precise control of structural parameter we have achieved a maximum dispersion of −18,838 ps/nm-km with the phase matching wavelength centred around 1.55 μm. We also numerically investigate the influence of structural parameter and doping effects and its response on peak dispersion parameter.