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Analyzes amplification performance in erbium-doped fibers, suggesting efficiency improvements for optical communications.
High gain amplification of up to 28 dB has been observed in a 3m-long erbium-doped fibre. The amplifier has a spectral bandwidth of greater than 300 GHz in the region of 1.536μm and a measured sensitivity of –42dBm at a bit rate of 140Mbit/s.
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Mears et al. (1987) studied this question.
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