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Method of lines framework for analysis of arbitrary-shaped spatial periodic structures: a generalized formalism

Khorrami, Y ; Sharif University of Technology | 2022

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  1. Type of Document: Article
  2. DOI: 10.1109/WRAP54064.2022.9758243
  3. Publisher: Institute of Electrical and Electronics Engineers Inc , 2022
  4. Abstract:
  5. Method of lines (MoL) is numerically described for analysis of spatial periodic structures based on discrete finite difference hybridization of each transverse plane of multilayer structure. The results show rigorous simulation of the three-dimensional (3D) arbitrary-shaped space grating with the best convergence and high stability for highly conductive metallic layers. We propose our method to be considered for analysis of stacked rotated grating (SRG). Also, we propose time-varying MOL using implementation of the multi-frequency finite difference frequency domain (FDFD) method upon our presented method, so that one can simulate spatiotemporal structures in the hybridization framework faster and much more accurately. © 2022 IEEE
  6. Keywords:
  7. Grating ; Method of lines ; Scattering matrix ; Spacetime ; Periodic structures ; Grating ; Hybridisation ; Method of lines ; Multilayer structures ; Rigorous simulation ; Scattering matrix ; Spacetime ; Spatial periodic structures ; Structure-based ; Transverse planes ; Frequency domain analysis
  8. Source: 2022 Workshop on Recent Advances in Photonics, WRAP 2022, 4 March 2022 through 6 March 2022 ; 2022 ; 9781665407021 (ISBN)
  9. URL: https://ieeexplore.ieee.org/document/9758243