RA-FOPAS - Optiwave

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This topic has 4 replies, 2 voices, and was last updated 9 years ago by Abhishek Shrama.

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- March 13, 2015 at 7:51 am #18613
  
  Dismas Kipchirchir Choge
  Participant
  
  Please, can someone help me set up simulation for Raman-Assisted Fibre optic parametric amplifier to improve the gain flatness.
- April 29, 2015 at 4:10 am #20209
  
  Dismas Kipchirchir Choge
  Participant
  
  How do i go about investigating the effects of different modulation formats on optical transmissions? Can someone please guide me on this.
- April 29, 2015 at 5:23 am #20211
  
  Abhishek Shrama
  Participant
  
  Hi DEMAS,According to your first question ,you have to work on gain flatness.For this you can see optisystem samples.Otherwise you can work on many parameters for gain flattening e.g pump power,pumping techniques (co,counter and bi directional),core radius ,length of raman amplifier etc.
  
  According to your 2nd question you can use various advanced modulation formats like CSRZ DRZ MDRZ .here i have given a link for these formats .check this link
  
  Advanced Modulation Formats
  
  Moreover these formats are good to mitigate the effect of dispersion and bandwidth efficient.
- April 29, 2015 at 5:36 am #20213
  
  Dismas Kipchirchir Choge
  Participant
  
  Thank you Shrama, I have visited the link and it is quite good. Let me now work on them.
- April 29, 2015 at 5:42 am #20214
  
  Abhishek Shrama
  Participant
  
  Welcome:)
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