regarding DP-QPSK transmitter - Optiwave

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This topic has 2 replies, 3 voices, and was last updated 9 years, 6 months ago by Alessandro Festa.

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- June 16, 2015 at 5:23 am #21746
  
  Gaurav Rajarya
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  Hello ,I want to apply RZ coding on optical DP-QPSK transmitter but i am unable to do so as RZ generator has electricals ports transmitter has optical ports.is there any other way to do so?please help me
- June 17, 2015 at 10:15 am #21776
  
  Ravil
  Participant
  
  Hello Gaurav,
  
  If I understand your situation correctly, you are using an electrical signal for modulation. If that is the case, you can always use LiNb modulator, which has electrical ports, where you can apply your modulation signal, and optical ports, where you can apply your signal from laser source. This particular scheme was used in the example “100 Gbps DP-QPSK System with Digital Signal Processing” (which you probably considered already). Hope it will give you some ideas…
- June 17, 2015 at 11:25 am #21779
  
  Alessandro Festa
  Participant
  
  Hi Gaurav, you can also have a look at this old discussion in the forum: https://optiwave.com/forums/topic/how-to-apply-nrzrz-coding-in-dp-qpsk-transmitters/
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