Open AccessBending and twisting effects on multicore fiber differential group delay
Author(s) -
Sergi García,
Mario Ureña,
Ivana Gasulla
Publication year - 2019
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.27.031290
Subject(s) - curvature , photonic crystal fiber , optics , fiber , group delay and phase delay , optical fiber , photonics , radio over fiber , polarization maintaining optical fiber , multi mode optical fiber , dispersion shifted fiber , core (optical fiber) , differential group delay , fiber optic sensor , materials science , computer science , telecommunications , physics , polarization mode dispersion , geometry , mathematics , bandwidth (computing) , composite material
In this paper we provide the theoretical and experimental evaluation of fiber bending and twisting effects on the group delay performance of a homogeneous 7-core fiber. We have experimentally evaluated the differential group delay between the central and outer cores for different curvature radii and twisting conditions, demonstrating that fiber twisting counteracts the degradation introduced by the curvature itself. These findings are generally applicable to time-sensitive application areas such as radio-over-fiber distribution and microwave photonics signal processing in fiber-wireless access networks, as well as high-capacity long-haul digital communications where digital multiple-input multiple-output processing may be required.