Home Forums SYSTEM High BER of wavelength converter.

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    • #42353
      adnan sabbar
      Participant

      Dear Sirs,
      I designed a wavelength converter to convert a QPSK signal wavelength based on FWM through a Highly Nonlinear Fiber. The original signal wavelength is 1545 nm and the converted one is 1555.14 nm depending on the FWM equation. I got a clear constellation diagram as explained in attached picture but unfortunately with high BER. May anyone help me please to know the reason behind this high BER value? I am using Optisystem 14.1.

      Reqards

    • #42354
      adnan sabbar
      Participant

      the file

    • #42517
      Dr. Dhiman Kakati
      Participant

      Hi adnan sabbar,
      Please attach the constellation file, and if possible eye diagram to have a close view into it.

      Regards,
      Dhiman

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