Home Forums SYSTEM What is the difference between mzm and ddmz modulator.

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    • #43941
      Naba krushna Sabat
      Participant

      Hello everyone plz any one help me out on a basic question what is the difference between Mach zehnder (mzm),dual port dual drive Mach zehnder modulator? What is the operation behind these two modulator, how they works,and what is the advantages of ddmz over mzm modulator.

    • #44233
      Marc Verreault
      Participant

      Good day,

      The ddmz is a more physically representative model for MZ modulators (they are frequently driven from two ports to keep the voltage swing lower). The mzm modulator is just a simpler model for a MZ modulator (there are fewer knobs to tweak)

      I frequently use the ddmz as it is easier to match to manufacturer specs and it can be fine tuned for different operating modes.

      Cheers

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