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  1. Fast convergent Fourier modal method for the analysis of periodic arrays of graphene ribbons
Fast convergent Fourier modal method for the analysis of periodic arrays of graphene ribbons
1304 viewed

Fast convergent Fourier modal method for the analysis of periodic arrays of graphene ribbons

Khavasi, A

Fast convergent Fourier modal method for the analysis of periodic arrays of graphene ribbons

Khavasi, A ; Sharif University of Technology | 2013

1304 Viewed
  1. Type of Document: Article
  2. DOI: 10.1364/OL.38.003009
  3. Publisher: 2013
  4. Abstract:
  5. Li's Fourier factorization rules [J. Opt. Soc. Am. A 13, 1870 (1996)] should be applied to achieve a fast convergence rate in the analysis of diffraction gratings with the Fourier modal method. I show, however, that Li's inverse rule cannot be applied for periodic patterns of graphene when the conventional boundary condition is used. I derive an approximate boundary condition in which a nonzero but sufficiently small height is assumed for the boundary. The proposed boundary condition enables us to apply the inverse rule, leading to a significantly improved convergence rate. A periodic array of graphene ribbons is in fact a special type of finite-conductivity strip grating, and thus the proposed approach is also applicable to these kinds of structures
  6. Keywords:
  7. Approximate boundary condition ; Fast convergence rate ; Finite-conductivity ; Fourier modal method ; Graphene ribbons ; Improved convergence ; Li's Fourier factorization rules ; Periodic pattern ; Boundary conditions ; Diffraction gratings ; Graphene ; Laser resonators ; Lithium ; Modal analysis ; Periodic structures ; Light related phenomena ; Chemistry ; Absorption ; Fourier Analysis ; Graphite ; Optical Processes
  8. Source: Optics Letters ; Volume 38, Issue 16 , 2013 , Pages 3009-3012 ; 01469592 (ISSN)
  9. URL: https://www.osapublishing.org/ol/abstract.cfm?uri=ol-38-16-3009