how to use transmission box given in mode solutions for getting the transmitted power at output.
Hi, @phd1601102004 !
The documentation on the lumerical web-page is very instructive.
Concerning your question, more likely here what you need:
Also, I recommend to read the transmission box script to get more in-depth understanding of what it is doing.
In case of any other question, please, don’t hesitate to ask on the forum.