Hi, Steven and all:

There's something wrong with the display of my message, so I made some modification and resend this message to the forum.   

In the MEEP tutorial, concerning calculating the transmission spectral, you proposed "in order to normalize the transmission (to get transmission as a fraction of incident power), we'll have to do two runs, one with and one without a bend".

However, I wonder whether I can use the flux near the source for normalization, i.e. to normalize by dividing the flux obtained at the bottom of the vertical waveguide by the flux obtained at the source point? If that's wrong, how to normalize the transmission spectral of the following structure?

 

  port1 --------------- port2

                .   .

  port3 --------------- port4

 

It is a structure from the paper "Nonlinear photonic crystal microdevices for optical integration" of your research group. The dash lines represent two waveguides, and the two points represent cavities.  As described in this paper, a source is fixed at port1. If I want to calculate the normalized transmission spectral of port4, how to normalize? What flux should the flux at port4 be divided by?

Jack



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