Measurement of Mode-Coupling Along a Multi-Core Submarine Fiber Cable with a Multi-Channel OTDR

Masato Yoshida,Toshihiko Hirooka,Nakazawa Masataka,Tetsuya Hayashi,Takemi Hasegawa,Kohei Nakamura,Takanori Inoue

2022 EUROPEAN CONFERENCE ON OPTICAL COMMUNICATION (ECOC)（2022）

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Abstract

We describe the precise distributed measurement of mode-coupling along a cabled 60 km-long 4-core fiber (4CF) for submarine transmission using a multi-channel OTDR. The crosstalk values in the fan-in/out devices and 4CF were evaluated separately with a dynamic range of as high as 85 dB.

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Key words

4-core fiber,crosstalk values,distance 60 km,fan-in devices,fan-out devices,mode-coupling measurement,multichannel OTDR,multicore submarine fiber cable,precise distributed measurement,submarine transmission

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