New optical technologies which overcome chirping noise and fiber dispersion are required to realise large-capacity systems with long repeater spacing. The first 1.55 mu m 400 Mb/s bit-rate long-repeater-spacing system was based on low-loss 1.55 mu m zero-dispersion single-mode optical fiber, 1.55 mu m DFB-LD and InGaAs-APD. The basic design concept for a long-repeater-spacing optical transmission system is described. The configuration of a 1.55 mu m 400 Mb/s system is also described, and the applicability of 80 km repeater spacings for terrestrial systems and 120 km for non-repeatered undersea systems is shown.
1.55 mu m F-400M system
Das optische Uebertragungssystem F-400M fuer 400 Megabit/s auf 1,55 Mikrometer Wellenlaenge
Review of the Electrical Communication Laboratories ; 35 , 6 ; 621-626
1987
6 Seiten, 6 Quellen
Aufsatz (Zeitschrift)
Englisch
DFB-LASER , OPTISCHE FASER , HALBLEITERLASER , INDIUM-GALLIUM-ARSENID , LAWINENPHOTODIODE , DIGITALUEBERTRAGUNG , OPTISCHE NACHRICHTENUEBERTRAGUNG , UEBERTRAGUNGSGESCHWINDIGKEIT , UNTERWASSERKABEL , LICHTDISPERSION , MONOMODEFASER , KANALKAPAZITAET , RAUSCHEN , SEEKABEL , GLASFASERKABEL , OPTICAL LINKS
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