Q. Semiconductor optical amplifier in comparison with edfa is given below. Find the false statement

A
The gain bandwidth can be similar
B
The upper-state lifetime and thus the stored energy are much smaller, so that the gain reacts to changes in pump power within nanoseconds (instead of milliseconds)
C
EDFAs exhibits much stronger nonlinear distortions in the form of self-phase modulation and four wave mixing
D
The noise figure is typically higher
Solution:

SOAs exhibits much stronger nonlinear distortions in the form of self-phase modulation and four wave mixing.

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