Ar. Chraplyvy et al., 1420-KM TRANSMISSION OF 16 2.5-GB S CHANNELS USING SILICA-FIBER-BASEDEDFA REPEATERS/, IEEE photonics technology letters, 6(11), 1994, pp. 1371-1373
Sixteen WDM channels each operating at 2.5 Gb/s were transmitted throu
gh 1420 km of fiber without regeneration using silica-based erbium-dop
ed fiber amplifiers. The amplifier spacings ranged between 96 km and 1
23 km.