Correlation and Power Distribution of Intercore Crosstalk Field Components of Polarization-Coupled Weakly Coupled Single-Mode Multicore Fibres

The correlation and power distribution of intercore crosstalk (ICXT) field components of weakly coupled multicore fibers (WC-MCFs) are important properties that determine the statistics of the ICXT and ultimately impact the performance of WC-MCF optical communication systems. Using intensive numeric...

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Published in:Photonics 2021, Vol.8 (6), p.191
Main Authors: Morgado, José A. P., Cartaxo, Adolfo V. T.
Format: Article
Language:English
Subjects:
Birefringence
birefringence beat length
birefringence correlation length
Communications systems
Correlation
Coupled modes
coupled-mode equations
Crosstalk
Electric power distribution
Fibers
intercore crosstalk
Mathematical models
Mean
multicore fiber
Optical communication
Polarization
polarization-coupled fiber
Propagation
Simulation
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description The correlation and power distribution of intercore crosstalk (ICXT) field components of weakly coupled multicore fibers (WC-MCFs) are important properties that determine the statistics of the ICXT and ultimately impact the performance of WC-MCF optical communication systems. Using intensive numerical simulation of the coupled mode equations describing ICXT of a single-mode WC-MCF with intracore birefringence and linear propagation, we assess the mean, correlation, and power distribution of the four ICXT field components of unmodulated polarization-coupled homogeneous and quasi-homogeneous WC-MCFs with a single interfering core in a wide range of birefringence conditions and power distribution among the field components at the interfering core input. It is shown that, for homogeneous and quasi-homogeneous WC-MCFs, zero mean uncorrelated ICXT field components with similar power levels are observed for birefringence correlation length and birefringence beat length in the ranges of 0.5m,10m and 0.1m,10m, respectively, regardless of the distribution of power between the four field components at the interfering core input.
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source Publicly Available Content (ProQuest); Free E-Journal (出版社公開部分のみ）
subjects Birefringence
birefringence beat length
birefringence correlation length
Communications systems
Correlation
Coupled modes
coupled-mode equations
Crosstalk
Electric power distribution
Fibers
intercore crosstalk
Mathematical models
Mean
multicore fiber
Optical communication
Polarization
polarization-coupled fiber
Propagation
Simulation
title Correlation and Power Distribution of Intercore Crosstalk Field Components of Polarization-Coupled Weakly Coupled Single-Mode Multicore Fibres
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