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Ques. about optical transmission

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haadi20

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I received this question from a friend, Can you please comment and answer?


Can I modulate a 2.5 GHz electrical carrier with a data rate of 1 Gbps
(pseudo random binary sequence data) and then modulate it over optical
fiber (length e.g. 20 Km) and then recieve it on the other side of
optical
fiber?

The electrical modulation scheme I am currently using is DPSK and
optical
modulator is EAM (electro-absorption modulator, a type of external
optical
modulator).

I am doing simulation using a commercial simulation software, OptSim
and
though I am getting results but I want to confirm whether theory would
support such a high data rate on a carrier of 2.5 GHz but the point is
that we are transmitting it on fiber and not in wireless medium? So is
it
fine or I must increase the elctrical carrier from 2.5 GHz?[

Regards
 

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