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Novel Design Method of Wide-Band Bend Insensitive Optical Fiber Compatible with SMF Properties
Current Issue
Volume 1, 2014
Issue 2 (December)
Pages: 15-19   |   Vol. 1, No. 2, December 2014   |   Follow on         
Paper in PDF Downloads: 28   Since Aug. 28, 2015 Views: 1699   Since Aug. 28, 2015
Authors
[1]
S. Makouei, Faculty of Electrical and Computer Engineering, University of Tabriz, Tabriz, Iran.
Abstract
We have developed a novel single-mode optical fiber design method with graded index refraction in core region, which exhibits ultra low bending loss and high effective area over S+C+L communication bands. In this approach, the MFD of the structure is controlled strictly and bend reduction process is done by evolutionary Genetic Algorithm. The procedure is based on expanding the fundamental mode field distribution with weighted Gaussian terms which is capable to set the MFD in the desired predefined values. Owing to direct control on MFD value, this method is absolutely appropriate to design bend insensitive fiber for FTTH application. Meanwhile, designed structures have same dispersion properties with SMF and follow ITU-T G.652.D standard. This fact indicates that the designed structures are applicable not only for FTTH networks but also high bit rate WDM transmission where conventional step index single-mode fiber is applied.
Keywords
Bending Loss, MFD, Effective Area, Dispersion, FTTH, Genetic Algorithm
Reference
[1]
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