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November 18, 2015 at 1:39 pm
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Hi Koll,
Since EDFA has relatively low noise in optical amplifiers, it can be used as preampliifer. Also, it is widely being used in the line as you have probably seen in many occasions. In terms of bandwidth, Raman ampliifer has a more flat gain in a wider range of wavelength compared to EDFA.
Regards
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