IEICE Communications Express
Online ISSN : 2187-0136
ISSN-L : 2187-0136
Experimental Investigation of the Relationship between Inter-core Crosstalk and Q-factor in Multicore DSDM Transmission Lines
Akira IsodaTakayuki MizunoYutaka Miyamoto
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JOURNALS FREE ACCESS Advance online publication

Article ID: 2018XBL0051

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We demonstrate the relationship between inter-core crosstalk and Q-factor in a multicore transmission line including a multicore fiber and a multicore amplifier by using an in-service inter-core crosstalk monitoring method we propose. The method estimates inter-core crosstalk by using tones with different wavelengths for each core. We measured Q-factors at the center wavelength of the WDM channel. The measured crosstalk was -20.2 dB and the Q-factor was 5.8 dB after 411.2-km transmission. The Q-factor estimated from the monitored crosstalk was found to closely match the measured value.

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