Figure 3. Wavevector of Gamma-M
I just took out the part of Gamma-M as this region has light line air (n=1) which is a straight line by referring to the book PhC. But how to change the data from 0-10 to 0-0.5 like in Figure 4.1 cause I need to compare while using MPB?
In this graph, there are no even and odd modes that exist since there is no defect from the example. How to get these two modes? Based on Figure 2 above, do these two modes appear since it has a line defect as it waveguide?
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