Abstract：
:We study propagation in a cyclic symmetric multicore fiber where the core radii randomly fluctuate along the propagation direction. We propose a hybrid analytic-numerical method to optimize the amplitude and frequency of the fluctuations that suppress power transfer between outer and inner cores. This framework allows us to analytically find noise amplitude parameters that optimally suppress crosstalk. Our predictions are confirmed by numerical experiments using finite difference beam propagation methods for realistic C-band fibers. The analytic part of our method is general, provides the optimum fluctuation amplitude independent of the array geometry, as long as normal modes can be calculated. It works for both correlated and uncorrelated fluctuations allowing its use for any given optical system described by coupled mode theory.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Jaramillo Ávila B,Torres JM,León-Montiel RJ,Rodríguez-Lara BMdoi
10.1038/s41598-019-51854-xsubject
Has Abstractpub_date
2019-10-31 00:00:00pages
15737issue
1issn
2045-2322pii
10.1038/s41598-019-51854-xjournal_volume
9pub_type
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