Optical fibre transmission experiments at 1.2 Gbit/s are reported over distances up to 113.7 km of conventional nondispersion-shifted fibre. The experimental system comprises a DFB laser, a PINFET and a parallel-processing regenerator. System penalties are observed which may be partly attributed to transient wavelength chirping and chromatic dispersion. Experiments using 83 km of dispersion shifted fibre show no penalties.
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Chidgey et al. (1984) studied this question.