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I/Q modulator

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    • August 29, 2015 at 1:01 am #24169
      Dr. Dhiman Kakati
      Participant

      please help I am not getting which block to use for I/Q modulator.
      find the attached image.
      Red line optical field
      blue line electrical field

      With regards

    • August 29, 2015 at 2:09 am #24172
      alistu
      Participant

      Hi Dhiman,

      I cannot see you attached file, but I think you are referring to the same image as the one you uploaded in the other topic. For this purpose, you may use Quadrature Modulator/Demodulator, which could be found at the transmitter/receiver library in the modulator/demodulator section.

      Regards

    • August 29, 2015 at 3:28 am #24176
      Dr. Dhiman Kakati
      Participant

      Hi alistu, Thanks for your help but I need optical modulator and there is only electrical quadrature modulator.
      I have attache again the screenshot.

      with Regards

      • August 29, 2015 at 3:42 am #24179
        alistu
        Participant

        You’re right, sorry about it. I will look into it again and let you know if I could help.

      • August 31, 2015 at 9:17 am #24215
        Damian Marek
        Participant

        I just made this component from one of our examples. You can create a subsystem and then save it as a component file. Take a look at the attached pictures. One thing I just noticed however is the amplitude of the incoming signal will have to be carefully chosen depending on your QAM type, since this modulator is setup for 16 QAM.

        You can Import the attached component file if our versions of OptiSystem are compatible and use it in your project. (File->Import->Component)

        Regards

    • August 31, 2015 at 1:00 pm #24246
      Dr. Dhiman Kakati
      Participant

      Dear Damian, Thanks a lot.

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