IEICE Transactions on Communications
Online ISSN : 1745-1345
Print ISSN : 0916-8516

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BOTDA-based Technique for Measuring Maximum Loss and Crosstalk at Splice Point in Few-mode Fibers
Tomokazu ODAAtsushi NAKAMURADaisuke IIDAHiroyuki OSHIDA
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ジャーナル 認証あり 早期公開

論文ID: 2021EBP3089

この記事には本公開記事があります。
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We propose a technique based on Brillouin optical time domain analysis for measuring loss and crosstalk in few-mode fibers (FMFs). The proposed technique extracts the loss and crosstalk of a specific mode in FMFs from the Brillouin gains and Brillouin gain coefficients measured under two different conditions in terms of the frequency difference between the pump and probe lights. The technique yields the maximum loss and crosstalk at a splice point by changing the electrical field injected into an FMF as the pump light. Experiments demonstrate that the proposed technique can measure the maximum loss and crosstalk of the LP11 mode at a splice point in a two-mode fiber.

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© 2021 The Institute of Electronics, Information and Communication Engineers
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