IQE of Photodiode

- September 21, 2023 at 10:38 pm
  
  Meir Grajower
  Subscriber
  
  Hi,
  Im traying to calculat the IQE of a photodiode using generation and using delta generation (as shown in this example https://optics.ansys.com/hc/en-us/articles/360042358574-CMOS-image-sensor-Angular-response-3D) but i get two differet resultes. Any idea how to debug it?
- September 28, 2023 at 7:21 am
  
  Niki Papachristou
  Ansys Employee
  
  Hi Meier,
  Thank you for reaching out to us. Can you please provide more information on why you chose those two cases for your simulation? It is possible for your work to use a delta source for IQE similar to the CMOS example, and if you need an iteration of response (actual output for a given optical input) you can run optical simulation and import the generation data instead.
  Kind Regards,
  Niki
- October 4, 2023 at 2:51 pm
  
  Meir Grajower
  Subscriber
  
  Hello Niki,
  Thank you for your answer.
  The diode stracture is contact-P++-P-N-contact. I choosed to use the delta source becuse i have a lot of illumination cundition with the same diode profile and it is faster than running the simulations with improt generation.
  i thought the resulres would be the same (or very simmilar) but the valuse of the IQE and the trend (saturateion vs. increasing) is not the same.
  i don't know how to figure out which simulation is the currect and why the resulutes are not the same.
  Meir

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