Distinguishing Fabry-Perot from guided resonances in thin periodically-textured silicon absorber
H. Ahmadpanahi (TU Delft - Electrical Engineering, Mathematics and Computer Science)
R. Vismara (TU Delft - Electrical Engineering, Mathematics and Computer Science)
Olindo Isabella (TU Delft - Electrical Engineering, Mathematics and Computer Science)
Miro Zeman (TU Delft - Electrical Engineering, Mathematics and Computer Science)
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Abstract
Total electric field in a periodic thin-film structure is described by its Fourier coefficients. These coefficients can be used to calculate the share of different resonances in total absorption in the structure.