2.5 Gbit/s-9720 km, 10 Gbit/s-6480 km transmissioninthe FSA commercial system with 90 km spaced opticalamplifier repeaters and dispersion-managed cablesMakoto Murakami, M. Aiki, M. Aoyama et al.|Electronics Letters|1995Cited by 22
Unrepeatered 40 Gbit/s RZ signal transmission over240 kmconventional singlemode fibreKeisuke Suzuki, Kento Aida, N. Ohkawa et al.|Electronics Letters|1998Cited by 22
Transoceanic twelve 10 Gbit/s WDM signal transmissionexperiment with individual channeldispersion-and-gain compensationand prechirped RZ pulse formatMakoto Murakami, T. Imai, Hiroshi Maeda et al.|Electronics Letters|1997Cited by 9
Optimization of signal pulse duty factor in long-distance optical amplifier systemsHideki Maeda, T. Imai, Makoto Murakami et al.|IEEE Photonics Technology Letters|1998Cited by 7
80 Gbit/s-1200 km, 40 Gbit/s-based WDM transmissionexperiment using RZ pulse formatMakoto Murakami, N. Ohkawa, Kazunori Suzuki et al.|Electronics Letters|1997Cited by 2