The authors show that spectral filtering of short pulses from an electrically gain-switched 1.5 µm DFB laser produces a substantial increase (12 dB) in the noise of the pulse train due to a mode partition effect. The implication of these results is considered for the situation where an erbium doped fibre amplifier is used to amplify gain-switched pulses.
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Cutrer et al. (1994) studied this question.
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