Home Forums SYSTEM WHY the gain after SOA can less than 1 or 0dB?

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    • #68112

      As mentioned in the title, why travelling wave SOA or Wideband SOA can produce a gain less than 1 or 0dB.
      In my recent work, I need the SOA gain close to its transparency region, so that in the presence of another signal control pulse, the gain will go down to 1 or 0dB. But it cannot be realized when the gain characterization curve keep going down linearly as the input power increase.

      Why it happens and how to fix it?
      please help me!

    • #68116
      Ahmad Atieh

      Hello Eli,
      please send me your project as a zip file to ahmad.atieh@optiwave.com and I’ll check it for you.
      Which version of OptiSystem are you using?

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