Simulation on a MO material.

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Hello,

Im asking for your help because recently, I have been trying to do simulation on a Magneto optic material , which is defined by an antisymetric permitivitty tensor where epsilon_{xy} = -epsilon_{yx} . my structure is rectangular with Air (domain 3 on top) +MO material (domain 2) +Silver (domain 1)

I did a mode analysis at a certain frequency but i would like to understand if its possible to identify the modes that have forward incidence to the modes that have backward incidence to see the difference between the two propagation constants of my structure.

Do u know how to do it ?

Thank you.



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