HELLO ZAKARYA,
For wdm mux we could have the following parameters values as:
Frequency 193.1
Frequency spacing 100
Bandwidth 100
Insertion loss 0
Depth 100
Filter type Gaussian
Filter order 2
While for WDM demux we should have following parameters values as:
Frequency 193.1
Frequency spacing 100
Bandwidth 100
Insertion loss 0
Depth 100
Filter type Gaussian
Filter order 4
Here i am attaching 8 channel CSRZ WDM SYSTEM.