Complex Fourier factorization techniques in calculation of modes of discontinuous optical structures with an arbitrary cross-section

Roman Antos; Martin Veis

doi:10.1117/12.889264

17 May 2011 Complex Fourier factorization techniques in calculation of modes of discontinuous optical structures with an arbitrary cross-section

Roman Antos, Martin Veis

Author Affiliations +

Proceedings Volume 8070, Metamaterials VI; 807009 (2011) https://doi.org/10.1117/12.889264
Event: SPIE Optics + Optoelectronics, 2011, Prague, Czech Republic

Abstract

We demonstrate an improvement of the plane wave expansion method treating two-dimensional photonic crystals by applying Fourier factorization with generally elliptic polarization bases. By studying one example of periodically arranged cylindrical elements, we compare our approach to the classical Ho method in which the permittivity function is simply expanded without changing coordinates, and to the normal vector method using a normal-tangential polarization transform. The compared calculations clearly show that our approach yields the best convergence properties owing to the complete continuity of our distribution of polarization bases.

Citation Download Citation

Roman Antos and Martin Veis "Complex Fourier factorization techniques in calculation of modes of discontinuous optical structures with an arbitrary cross-section", Proc. SPIE 8070, Metamaterials VI, 807009 (17 May 2011); https://doi.org/10.1117/12.889264

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