Materials

Materials

Topics relate to Granta Design and more

Nonlinear optical material design

    • Guilin Sun
      Ansys Employee

      Unfortunately right now FDTD cannot simulate non-3*3 diagonal tensor nonlinear material.

      for frequency dependent nonlinear material, currently only  two

      Chi3 Raman Kerr

      Magnetic Electric Lorentz

      can be dispersive.

      For permittivity, you can simulate full 3*3 tensor with matrix tranformation: Creating anisotropic optical materials in FDTD and MODE

      If you want to simulate broadband, you will need to make sure that the unitary matrix does not depend on frequency.

       

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