The definition of TE TM is actually not universal and can be confusing in some times.
As you can see, the TE polarization fraction is zero for the 2nd mode, so it is NOT a TE mode. Please check the dominant field component. Please check this link for more information. Â https://optics.ansys.com/hc/en-us/articles/360034396734-FDE-solver-analysis-Mode-List-and-Deck
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