Abstract
Erbium doped fiber amplifiers(EDFAs) with high output power and no distortion degradation are very useful for the amplitude-modulated vestigial-sideband(AM-VSB) transmission systems which require a relatively high received power for a preferred carrier to noise ratio(CNR) and a low distortion[1][2], A field trial was conducted and feasibility of multidistribution for trunk lines was confirmed[3].
© 1991 Optical Society of America
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