Simulation of integrated heater on top of a microring resonator

- July 13, 2023 at 5:00 am
  
  Aruna_Soibam
  Subscriber
  
  Hi,
  The attached figure (WDM-MDM device using microring resonator) is from the literature cited below. They used integrated heaters to tune the microring resonators in the fabricated device. I am trying to simulate the same device using Lumerical FDTD, and I would like to know how to use these heaters in the simulation.
  If any example files are available, kindly share. It would be very helpful.
  Thanks and regards,
  Aruna
  L.W. Luo et al., “WDM-compatible mode-division multiplexing on a silicon chip,” Nature Communications, vol. 5, no. 1, 2014.
- July 18, 2023 at 4:27 pm
  
  Khashayar Ghaffari
  Ansys Employee
  
  Hi Aruna,
  Based on your description here, you need to model the effect of altered temperature on the optical properties and consequent phase shift. For the optical analysis you need MODE or FDTD. If you want to simulate the temperature as well (e.g. as a function of input power and vs different cooling conditions) you need a thermal analysis as well; for this HEAT can be used.
  The closest application example I can suggest is the thermally tuned waveguide. Please study this article and let us know if you have any follow up questions.
  Best regards

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