The Review of Laser Engineering
Online ISSN : 1349-6603
Print ISSN : 0387-0200
ISSN-L : 0387-0200
Wideband Er-Doped Fiber Amplifiers for WDM Systems and Their Applications to Ultra Large Capacity Optical Transmission Experiments
Susumu KINOSHITA, Hiroshi ONAKA, Terumi CHIKAMA
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Keywords: Erbium-doped fiber amplifier, Wavelength-division-multiplexing, Dispersion compensation, 1.3μm zero-dispersion single mode fiber
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1997 Volume 25 Issue 2 Pages 126-130

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Abstract
We review main subjects of wideband EDFAs and propose a novel wideband EDFA with a mid-attenuator for automatic level control operation. We confirm its expected performance in a 4-channel WDM experiment. Next, we explain that the ultra large capacity WDM transmission experiment. We obtained good BER characteristics for all channels by using pre-emphasis, wideband EDFAs and dispersion compensating fiber with a negative dispersion slope.
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© The Laser Society of Japan
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