S. Yamamoto et al., BER PERFORMANCE IMPROVEMENT BY FORWARD ERROR-CORRECTING CODE IN 5 GBIT S 9000 KM EDFA TRANSMISSION-SYSTEMS/, Electronics Letters, 30(9), 1994, pp. 718-719
Forward error correction (FEC) has been used to improve the bit error
rate performance of a 5Gbit/s 9000 km erbium-doped fibre amplifier (ED
FA) transmission line. The results using a 5Gbit/s prototype optical t
ransmission terminal showed extremely small penalty in BER performance
after 9000km transmission.