Square holes are no problem - you just use MPB's built in "block" object
type instead of cylinders. For other polygonal shapes I usually employ a
set of overlapping blocks. (Or, especially for weird curved shapes, you
could use the material-function type with an arbitrary user-specified
dielectric function, although this is slower than using blocks for
polygonal shapes.)
On Wed, 27 Dec 2006, Nils Jensen wrote:
I want to calculate the band diagram and waveguide of the photonic
crystal slabs with noncircular holes (square holes, or triangular holes,
...) by using MPB program. Could you let me know how can I define their
structure in MPB program.
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