Comparison of absorption simulation in semiconductor nanowire and nanocone arrays with the Fourier modal method, the finite element method, and the finite-difference time-domain method

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Бібліографічні деталі
Опубліковано в::	Nano Express vol. 1, no. 3 (Dec 2020)
Автор:	Nicklas Anttu
Інші автори:	Mäntynen, Henrik, Sadi, Toufik, Matikainen, Antti, Turunen, Jari, Lipsanen, Harri
Опубліковано:	IOP Publishing
Предмети:	Finite element method Mathematical analysis Nanostructure Absorption Prototyping Finite difference time domain method Solar cells Time domain analysis Broadband Arrays Mathematical models Finite element analysis Narrowband Numerical methods Nanowires Geometric accuracy Computing time Computer simulation Photovoltaic cells
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Опис
Короткий огляд:	For the design of nanostructured semiconductor solar cells and photodetectors, optics modelling can be a useful tool that reduces the need of time-consuming and costly prototyping. We compare the performance of three of the most popular numerical simulation methods for nanostructure arrays: the Fourier modal method (FMM), the finite element method (FEM) and the finite-difference time-domain (FDTD) method. The difference between the methods in computational time can be three orders of magnitude or more for a given system. The preferential method depends on the geometry of the nanostructures, the accuracy needed from the simulations, whether we are interested in the total, volume-integrated absorption or spatially resolved absorption, and whether we are interested in broadband or narrowband response. Based on our benchmarking results, we provide guidance on how to choose the method.
ISSN:	2632-959X
DOI:	10.1088/2632-959X/abd0d6
Джерело:	Science Database