i shared a pdf file that contained my simulation shape and settings. in this simulation i used standard pml setting but i also simulated this file for higher pml profile before and the answers hasnt been changed.
the problem is that i cant see calculated propagation lenght along the waveguide. i calculate the propagation lenght 2.4 micron but i cant see wave attenuation in that lenght. i use this below relation for calculating propagation lenght(pl).
pl=1/(2*im(beta))
beta= 2*pi*neff/lambda;
https://drive.google.com/file/d/1o-BtV7o2jj8G5ONvwTqR2BZ90sCi9Y7S/view?usp=share_link
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