As explained here:
http://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-16-15-11376
PML isn't really reflectionless for photonic crystals, and you might have to
make it many periods thick to obtain low reflections. (Just keep doubling the
thickness until your results converge.)
On Jul 1, 2013, at 2:57 PM, "Nance, Douglas V Civ USAF AFMC AFRL/RWWC"
<douglas.na...@eglin.af.mil> wrote:
> I am a new user of MEEP, and I am trying to validate my own ability for
> using the code. I wanted to calculate the reflection/transmission
> spectra for the T-junction 2D photonic crystal configuration as
> described in
>
> (1) S. Fan, S.G. Johnson and J.D. Joannopoulos et. al., "Waveguide
> branched in photonic crystals", J. Opt. Soc. Am. B, 18, 2, 2001.
>
> (2) R-S. Chen, Y-B Lin et. al., "Efficient approach for the calculation
> of transmission and reflection spectra of photonic crystal waveguide
> devices", Proc. of the SPIE, Vol. 8102, 2011.
>
> I am attempting to use a domain that has is 48a x 44a with a PML of 4a
> all the way around; resolution is set at 20.
> http://ab-initio.mit.edu/cgi-bin/mailman/listinfo/meep-discuss
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