Long-period grating based single-mode fiber to multi-core fiber pump coupler
Sousa, L. M.
; Facão, M.
;
Fernandes, G.
;
Nogueira, R.N.
;
Rocha, Ana M.
Long-period grating based single-mode fiber to multi-core fiber pump coupler, Proc OSA Frontiers in Optics, Conference Online, Vol. , pp. FTh2E.3 - , September, 2020.
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Abstract
We theoretically demonstrate a long-period grating (LPG) based single-mode fiber to multi-core fiber coupler. The coupling efficiency achieved was 24% of the input power, evenly distributed by all cores, using LPGs of length 4 cm.