simulating a pn junction using lumped RLC boundary condition

- March 7, 2022 at 6:44 am
  
  zhanggaolu17
  Subscriber
- March 15, 2022 at 11:58 am
  
  Praneeth
  Ansys Employee
  
  Please provide more information about your query to help us serve you better.
  Kindly let us know your intent on using the PN junction diode in your simulation model?
  Like you said, lumped RLC boundary may not be appropriate based on your application.
  You can use cosimulation between Ansys HFSS and Ansys Circuit for your need.
  All the very best Praneeth.
- March 16, 2022 at 1:00 am
  
  zhanggaolu17
  Subscriber
  
  Hi pmunaga Actually i am trying to design a travelling wave silicon photonics modulator. the signal travels from one port to another port In the longitudinal, But there is a lateral current on the pn junction´╝î The width of the pn junction is only about 20um, so I think it can be considered that the pn junction can be regarded as a lumped device laterally. I'm not very sure, but from your answer I think maybe my case really can't use RLC boundary as pn junction, right? Thank you!

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