Suppression of Gain Bandwidth Narrowing in a 4 Channel WDM System Using Unsaturated EDFAs and a 1.53µm ASE Rejection Filter

Masuo SUYAMA  Takahumi TERAHARA  Susumu KINOSHITA  Terumi CHIKAMA  Masaaki TAKAHASHI  

Publication
IEICE TRANSACTIONS on Communications   Vol.E77-B   No.4   pp.449-453
Publication Date: 1994/04/25
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Fiber Amplifiers and Their Applications to Lightwave Communications)
Category: 
Keyword: 
optical communication,  WDM,  EDFA,  

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Summary: 
We describe 2.5Gb/s 4 channel WDM transmission over 1060km using 18 EDFAs. Gain bandwidth narrowing in concatenated EDFAs has been successfully suppressed using unsaturated EDFAs and a 1.53µm ASE rejection filter.