Optical filters - Optiwave

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- March 24, 2021 at 2:03 pm #69117
  Abigail Rivadeneira
  Participant
  In a component sample file (Dual Port MZ Modulator Measures.osd) there are two filters: An optical bessel passband filter and an electrical bessel low pass filter. Why is it necessary to use two filters?
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- March 24, 2021 at 3:33 pm #69121
  
  Ahmad Atieh
  Moderator
  
  Dear Abigail,
  The first filter is optical to reduce ASE in the transmitted amplified signal and the other filter is electrical signal to get rid of high frequencies after detection.
  Regards,
  Ahmad
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