Distribution measurement of Raman-gain and optical-loss characteristics in optical fibers

We propose a test method with which to measure the longitudinal distribution of Raman-gain characteristics in connected optical fibers. We describe a technique for obtaining the pump-loss distribution, knowledge of which is necessary for deriving the Raman-gain efficiency distribution, by the bidire...

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Bibliographic Details
Published in:Optics letters 2003-03, Vol.28 (5), p.307-309
Main Authors: Toge, Kunihiro, Hogari, Kazuo, Horiguchi, Tsuneo
Format: Article
Language:English
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Summary:We propose a test method with which to measure the longitudinal distribution of Raman-gain characteristics in connected optical fibers. We describe a technique for obtaining the pump-loss distribution, knowledge of which is necessary for deriving the Raman-gain efficiency distribution, by the bidirectional measurement of Raman amplification. Based on this technique, we performed experiments and demonstrated that the Raman-gain efficiency distribution can be evaluated with the same equipment.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.28.000307