Selective Excitation of Circular Helical Modes in Power-Law Index Fibers

  •  S. Al-Sowayan    


Selective excitation of circular helical modes in power-law index fibers is shown to have an impact on their capacity. This is analyzed using a model for propagation delay variation with launch offset and angle that resulted from misalignment of source and fiber axis. Results show promising technique to improve power law-index fibers capacities.


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