Photonics

Photonics

Is EME appropriate for simulating subwavelength structures?

    • yihaocui
      Subscriber

      Considering there are Lumerical examples demonstrating the simulation of Bragg Gratings with corrugation periods (320nm) less than the operating wavelength (1550nm), is it correct to assume simulation of subwavelength grating waveguides and other similar metamaterial photonic waveguide concepts can be accurately computed in EME?

      Thank you for your time.

    • Guilin Sun
      Ansys Employee
      EME is designed to solve EM fields in waveguides. As long as the device can confine the fields, and the number of modes as well as group spans, and other settings are proper, EME can give accurate results. In some cases you may need to do careful converging tests:
      EME Convergence Testing - An Intuitive Approach
      Convergence testing process for EME simulations

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