Re: Waveguide in PC slabs (Triangular lattice)

Your computational cell is wrong.  When doing a waveguide simulation, you 
want to have only *one* unit cell along the direction of the waveguide, 
and a supercell only in the transverse directions.

On Tue, 28 Nov 2006, Nils Jensen wrote:
>   I would like to study the reduced and increased index waveguides in PC 
> slabs (Triangular lattice). The waveguide is formed by 
> decreasing/increasing the radii of a line of nearest-neighbor 
> rods/holes, respectively. (According to the paper: Phys. Rev. B 62, 8212 
> (2000)).
>   First of all, I define the structure: PC slab with triangular lattice 
> of air holes, the reduced index hole slab waveguide is formed by 
> increasing the radii of a line nearest-neighbor holes.
>   The second, I have some MPB?s command as below to calculate the 
> projected band structure.