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Fan-in/fan-out device for splicing to 12 core multi-core fiber is fabricated. Maximum loss of 4.7 dB at C-band and the worst crosstalk of −45 dB are confirmed in fan-in and fan-out with 20 m-long MCF.
We experimentally demonstrated all-solid photonic bandgap fibers with ~50μm core diameters and excellent higher order mode suppression, which can be used for high power fiber lasers to overcome the limits of fiber nonlinearities.
The cladding-thickness of trench-assisted multi-core fibres was investigated in terms of excess losses. The MCF with an effective area of 110 μm2 at 1.55 μm and 181-μm cladding diameter was realised without any excess loss.
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