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how to calculate simple band diagram
I have some questions when using Bandsolve to calculate projected band diagram of one single line defect triangular photonic crystal. First, I want to know what is the difference between triangular supercell and rectangular supercell. Secondly, If I choose...
These days I'm using frequency-dependent FDTD to study the behavior of surface plasmon polaritons. I first consider a very simple case, that is, a 2D air hole perforated in a thin metal film. The radius is about 20 percentages of periodicity. The grid size is about lambda/20 and time-step half...
Suppose xy plane is photonic crystal patterned plane. One defect in the center was removed. May I use periodic boundary condition for this four plane normal to x/y axis, respectively? If yes, how to set the periodic boundary condiction? Thanks a lot.
rsoft fdtd
Recently, I'm using Rsoft's FDTD to simulate some dispersive media, that is, n+ki. I find when k is very large, suppose, 2+11i, the FDTD will scater. So I want to make sense of the grid size and time step. So far, I define grid size and time step based on lossless media, that is...
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