I did the simulation with a square lattice of the dielectric pillar and got the bandstructure like this. I could not interpret anything from this.
I used the example file "Planer3D_hex" and did the modification. Even I did not understand the resulting band structure it right or wrong.
What I observed in the simulation of the example file, in simulation status, the status is showing 1, even with a large simulation time. Is it because of Bloch BC?
What I found in the literature is that Photonic bandstructure can be generated for both TE and TM modes like this,
![Band diagram and photonic band gap for TM and TE waves [13] | Download Scientific Diagram](https://www.researchgate.net/publication/325818754/figure/fig3/AS:638801676365824@1529313596232/Band-diagram-and-photonic-band-gap-for-TM-and-TE-waves-13.png)
How to do that?
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