An Investigation on Crosstalk in Multi-Core Fibers by Introducing Random Fluctuation along Longitudinal Direction

Katsuhiro TAKENAGA  Yoko ARAKAWA  Shoji TANIGAWA  Ning GUAN  Shoichiro MATSUO  Kunimasa SAITOH  Masanori KOSHIBA  

Publication
IEICE TRANSACTIONS on Communications   Vol.E94-B   No.2   pp.409-416
Publication Date: 2011/02/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.E94.B.409
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Extremely Advanced Optical Transmission Technologies and Transmission Optical Fiber Technologies towards Exabit Era)
Category: 
Keyword: 
multi-core fiber,  crosstalk,  coupled-mode theory,  coupled-power theory,  

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Summary: 
The length dependence of the crosstalk in multi-core fibers has been investigated by introducing random fluctuation along longitudinal direction. The power coupling coefficients in the coupled-power theory in heterogeneous multi-core fiber with seven cores were estimated based on consideration of the power coupling coefficients of the homogeneous multi-core fiber. The crosstalk can be quantitatively evaluated by employing coupled-power theory instead of coupled-mode theory.