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rcwa fmm
rumpf, can you give me some advice to simulate 3d dielectric waveguide or photonic crystal slab by Fourier modal method (FMM) or named rigarous coupled wave method (RCWA)?
Thanks.
3d rcwa
Hi, anyone knows how to calculate dispersion curve and transmission/reflection of 3D dielectric waveguide by RCWA? What's the difference between 3D-RCWA and 2D-RCWA? How to apply PML in this method?
I have read Phillipe Lalanne's paper on photonic crystal waveguide calculation. But I...
fdtd group velocity
Thanks, iyami! Yes, you have given valuable suggestions. I'm simulating a slow light photonic crystal waveguide now. Because the group velocity dispersion is very strong in my case, I have to narrow the pulse spectra to get accurate vg. But this will longthen the computation...
calculate velocity
Hi, everyone! I want to get the group velocity of a pulse in FDTD calculation. I input a gaussian pulse into a waveguide and record the incident and output pulse in time domain. If the waveguide length is L, and the peaks of the two pulse is seperated by Δt, can the group...
fdtd drude
Dear Rumpf,
Thank you for your reply very much! Your thesis is helpful for me! I know that we must use different iteration formula at different material regions respectively.
However, your FDTD method will use 5 field variables (E,H,D,P and J), which is memory intensive espetially...
iteration formula
Anyone knows the general FDTD iteration formula sutable for dispersive material (metal) and nonlinear material as well?
In D. Sullivan's book, he use Z transform to deduce the iteration formula for these materials respectively. But I don't know how to calculate all these...
shangping guo
I have download the PWE codes for PBG calculation of photonic crystals. But I can't find the PWE manual. Anyone can paste it here?
Thanks!
Hi, everyone! I'm calculating the band structure for line defects of 2D photonic crystal slab now. But I don't know how to project the light line and slab modes from the slab Brillouin zone onto the line-defect Brillouin zone. Who can show the method for detail?
You can see the above question on...
shangping guo thesis
Dear zeroedus,
Thanks for your help very much! But I have not enough points to download the theses. Would you please email them to me? And the PWE directory has many matlab files, can you tell me what problems each one to solve?
My EMAIL: gdingshan@163.com
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