Re: coupling of band sections

Hello Fulya;
I don't understand the your questions. Want to removed upper bands?
Please read:
http://e-collection.library.ethz.ch/eserv/eth:29871/eth-29871-02.pdfhttp://www.schemers.org/http://www.opticsinfobase.org/oe/abstract.cfm?URI=OPEX-8-3-173
Regards
Ozgur
2011/11/21 Fulya Bagci <[email protected]>:
> Dear mpb-users,
> I defined a 2D triangular lattice PCW with first rows ring-shaped and second
> rows vertically shifted. In the band diagram, I observed that the parts of
> the bands couple to each other at their intersection point, therefore there
> are some excess guided bands and the field distribution of the guided odd
> mode does not seem guided. How can I understand the accuracy of the upper
> guided band and the onset of extended modes?
> Any help is appreciated.
> Thank you very much.
> Regards,
> Fulya Bagci