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Analysis of the Coupling Between a Single-Mode Fiber and a Multi-Core Fiber with Long-Period Gratings

Sousa, L. M. ; Fernandes, G. ; Facão, M. ; Nogueira, R.N. ; Rocha, Ana M.

Analysis of the Coupling Between a Single-Mode Fiber and a Multi-Core Fiber with Long-Period Gratings, Proc Conf. on Telecommunications - ConfTele, Lisboa, Portugal, Vol. , pp. 97 - 99, June, 2019.

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Abstract
In this paper, the coupling of a single source injected
in a single-mode fiber to all the cores of a multi-core fiber is
theoretically studied. The power transfer between the core and
the cladding of a fiber is promoted by long-period gratings. To
promote the power transfer between the fibers, we considered
cladding modes with similar effective refractive index. The results
show that the coupling is possible, but the design still needs to
be optimized to maximize the power transfer.