No change in phase of optical modulator with change in DC voltage source

- September 3, 2023 at 2:53 pm
  
  rajatkumar.sinha
  Subscriber
  
  i have uploaded the effective refractive index file given by interconnect https://optics.ansys.com/hc/en-us/articles/360036618293-Optical-Modulator-Measured-OM-INTERCONNECT-Element i have even tried to change the values in effective index.txt but there is no change in phase . i would like to know how can i bring change in phase in a optical modulator using dc voltage.
- September 7, 2023 at 9:50 pm
  
  Guilin Sun
  Ansys Employee
  
  change in phase in a optical modulator using dc voltage should be first simulated in CHARGE, and then import the carrier density as np density attribute. Please refer to this example: https://optics.ansys.com/hc/en-us/articles/360042456054-Electro-absorption-modulator
  or
  https://optics.ansys.com/hc/en-us/articles/360042328774-Traveling-Wave-Mach-Zehnder-Modulator
  https://optics.ansys.com/hc/en-us/articles/360034901753-np-Density-and-Temperature-Index-Perturbation-Simulation-object
  The data should be effective index vs voltage for INTERCONNECT use.

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