WDM DP-QPSK system
I made 4 channel 112Gb/s WDM Dp-QPSK system usnig inbuilt DSP component with disabling dispersion and nonlinear effect.
My question is what value of reference wavelength of SMF and DCF should be taken If I use the frequencies of 193.1THz,193.2THz,193.3THz and 193.4THz. Or should i disable the reference wavelength as it is given in introductory tutorials of optisystem.
2) I have taken bit rate in global parameters as 112Gb/s. How much bit rate should i take for all the 4 channels . Should they all be same or different
2) If I take same bit rate for each DP-QPSK transmitter , the BER r not same in all the channels there is little bit difference in all the channels ,so how can I study the relation between BER and Input power of WDM system.Should I check the relation for all the channel or only one channel
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