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A butterfly-packaged, monolithically integrated DFB with electroabsorption modulator is used for repeaterless transmission of 10 Gbit/s NRZ over 107km standard singlemode fibre, with a total dispersion of 1800 ps/nm. The transmission is nondispersion-limited. A single optical fibre amplifier is used, for boosting the power and for simultaneously generating dispersion compensation.
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Kuindersma et al. (1993) studied this question.
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