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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
IEICE TRANSACTIONS on Communications
Publication Date: 1994/04/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Fiber Amplifiers and Their Applications to Lightwave Communications)
optical communication, WDM, EDFA,
Full Text: PDF(385.5KB)
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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.