The 1310nm and 1550nm transmission windows are low-loss windows. In a DWDM system, only the 1550nm transmission window is used. Which of the following is the main reason?

The correct answer is A. The EDFA operating wavelength flatness region is included in this window. See the full explanation below for the reasoning.

WDM/OTN Principles

Question

Options

AThe EDFA operating wavelength flatness region is included in this window
BThe nonlinear effect in the 1550nm wavelength region is very small
C1550nm wavelength region is suitable for long-distance transmission
DNone of the above

How the community answered

(33 responses)

A
73% (24)
B
15% (5)
C
9% (3)
D
3% (1)

Topics

#DWDM#EDFA#1550nm transmission window#optical amplification

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