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Coherent Receiver

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    • August 27, 2014 at 10:00 am #13458
      Dr. Naresh Kumar
      Participant

      Hello

      I have used non coherent transmitter and Coherent Receiver in opti-System but it could not work right now. Anybody suggest which module we use in non coherent Transmitter, Our Coherent receiver work properly.

    • August 27, 2014 at 10:11 am #13460
      Damian Marek
      Participant

      Hi,

      Could you attach a project file for your design? Are you using OptiSystem 12 or 13? Can you give a little more detail about how the transceiver/receiver is not working?

      Thanks

    • August 27, 2014 at 10:19 am #13463
      Dr. Naresh Kumar
      Participant

      I use optisystem 11. Here i am sending the Design file.

    • August 27, 2014 at 10:23 am #13465
      Dr. Naresh Kumar
      Participant

      Hello Damian Marek,

    • August 27, 2014 at 10:51 am #13466
      Dr. Naresh Kumar
      Participant

      Please Consider it

    • August 28, 2014 at 5:25 am #13481
      Dr. Naresh Kumar
      Participant

      Hello Damian Marek, I am waiting your reply

      • August 28, 2014 at 12:26 pm #13487
        Damian Marek
        Participant

        Hi Naresh,

        I tried to find an error with your system but I think it may be simpler to do what Abdallah suggested. Open up or re-install the OptiSystem sample files and start with our Coherent Receiver design.

        Regards

    • August 28, 2014 at 9:39 am #13485
      Abdallah Ismail
      Participant

      Dear,
      You can download many coherent systems from optiwave website for example 100Gbps PM-QPSK

      OptiSystem – Hot Topics


      I’ve seen the design you attached,I didn’t inspect it but from the constellation image,i think that there is phase error between the Tx and The Rx.
      I used power splitter after the CW laser and used the same laser for both the Tx and Rx but i found only two constellation points but received correctly but without Group velocity dispersion.Also the RF spectrum analyzer results seems not good.
      I suggest that you follow the Optiwave examples attached in the software and start with it,You can find the Optisystem xx samples with the optisystem run in the program files.
      I hope Damian can help you more.
      Best Regards
      Abdallah

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