Home Forums FIBER nonlinear charateristic in fiber link

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    • #27469
      Fakhriy Hario P
      Participant

      Good day, I would like to ask about simulate or create and generate characteristic nonlinear (gamma) in fiber link in optisystem….any help would be appreciated, thanks…..

    • #27494
      alistu
      Participant

      Hi Fakhriy,

      In order to choose the nonlinear characteristics of the optical fibers in OptiSystem, you can simply choose the “Nonlinearities” tab in the fiber component properties. You can see the list of various nonlinear effects there with their explanations in the fiber ccomponent help section.

      Regards

    • #27552
      Fakhriy Hario P
      Participant

      Many thanks Alistu, I will try it, but before that my design signal must be dithering condition…dithering (induce signal to system) like noise…can you help me how to make noise/dither to some signal in optisystem….

      Regards

    • #27553
      alistu
      Participant

      I believe you can use “Noise Source” component available in the electrical section of Pulse Generation folder in the transmitters library. You can define value of the average power or the PSD in the properties of the noise source component. I remember suggesting this component for dithering in another forum before. Let me know if it helps.

      Regards

    • #27590
      Fakhriy Hario P
      Participant

      what if noise source for optical signal?? what device for convert from noise source to optical signal? or anything else device for optical noise source? many thanks before Alistu

      • #27594
        alistu
        Participant

        You’re welcome. If you don’t want to add noise to signal in the electrical domain and then convert the result consisting of both signals to optical signal, you can use the LiNb MZM to convert the electrical noise to optical noise. I am not sure if my suggestion is the most convenient one, though.

        Regards

    • #27656
      Fakhriy Hario P
      Participant

      thank you very much Alistu..

      Regards

      • #27668
        alistu
        Participant

        You’re welcome Fakhriy.

        Regards

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