WDM, FTTH - Optiwave

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This topic has 2 replies, 2 voices, and was last updated 4 years, 2 months ago by ZH.

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- February 13, 2020 at 10:47 am #65165
  ZH
  Participant
  Hello everybody.
  I am analyzing a 16 channel WDM network.
  I have got this eye diagram and I have some question regarding this.
  
  Is this eye diagram OK or is it completely wrong?
  is it lacking something?
  How can I improve this?
  
  Thanks in advance.
  Attachments:
  q-factor-for-50-km-nrz.jpg
- February 14, 2020 at 7:34 am #65225
  
  Ahmad Atieh
  Moderator
  
  Dear ZH,
  The eye looks relatively OK. There is lots of noise on the one bits. I am not sure the cause as I don’t know your design.
  You may need to increase the sequence length to allow more bits included in the eye.
  You check the quality by improving the system conditions then move to your desired one. This way gives you a refence on the performance.
  Regards,
  Ahmad
- February 14, 2020 at 9:45 am #65231
  
  ZH
  Participant
  
  OK Thanks
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