MC GratingHighly improved convergence of the coupled-wave method for TM polarization
Philippe Lalanne, G. Michael Morris
Philippe Lalanne and G. Michael Morris, “Highly improved convergence of the coupled-wave method for TM polarization”, J. Opt. Soc. Am. A 13, 779 (1996). https://doi.org/10.1364/josaa.13.000779
The coupled-wave (RCWA) method had always converged slowly for TM polarization on metallic lamellar gratings. Lalanne and Morris found that using the Fourier matrix of the inverse permittivity for the right field component makes the same truncated expansion converge dramatically faster, with no other change to the method.
The Fourier Modal Method (FMM) of the three modal codes uses this formulation; Li 1996 explains why it works.
- Implemented in
- Modal Collinear, Modal Conical, Modal Crossed
- Cited on
- About MC Grating Software · The modal method (RCWA / FMM) · Publications
- Bibliography
- Reference [10]
- Full text
- Highly improved convergence of the coupled-wave method for TM polarization (PDF, 422 KB)
© 1996 Optica Publishing Group. This copy is hosted for the convenience of MC Grating users; the version of record is the publisher's, at the DOI above.
MC Grating is Windows software that computes diffraction gratings by the modal method and the C method. The download page has the current release, which runs in demo mode without a license key.