Home Forums SYSTEM DQPSK-Transmitter and Receiver

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    • #28845
      Shahid
      Participant

      I want to make an optical DQPSK Transmitter and Receiver. What will be the simplest way to create the system?

    • #28875
      Shahid
      Participant

      Can I start with a DPSK system and then modify it later for DQPSK using MZM?
      Any help from the members requested.

      • #28880
        alistu
        Participant

        Hi Shahid,

        Q is QPSK is short for “quadrature”, meaning each symbol represents two bits. If this is true, you can implement a simple DPSK system and then change the bits per symbol and symbol rate in the modulation blocks and in global parameters according to DQPSK. You may use MZM to modulate electrical signal into optical signal and upconvert it.

        Regards

    • #31859
      Ranjeet Kumar
      Participant

      hi,
      You can refer to optisystem sample file :https://optiwave.com/applications/100-gbps-dp-qpsk-system-with-digital-signal-processing/
      If any help, i will try to do.

    • #35837
      Shahid
      Participant

      Thanks Ranjeet. I will try to follow your advice.

    • #35936
      Dr. Dhiman Kakati
      Participant

      Hi Shahid I am Attaching herewith a very interesting paper, try to implement the schematic and you should get good result As I have got. Here direct detection scheme is used.

      Regards,
      Dhiman

    • #35948
      varinder singh
      Participant

      hello..
      i think qpsk can be used as dpsk …so that you can convert into dqpsk..qpsk only transfer two bits and dpsk transfer only one bit…so you can convert simply into dqpsk..
      with regards

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