Modal formulation for diffraction by absorbing photonic crystal slabs

Journal of the Optical Society of America. A, Optics, Image Science, and Vision
Kokou B DossouC Martijn de Sterke

Abstract

A finite element-based modal formulation of diffraction of a plane wave by an absorbing photonic crystal slab of arbitrary geometry is developed for photovoltaic applications. The semianalytic approach allows efficient and accurate calculation of the absorption of an array with a complex unit cell. This approach gives direct physical insight into the absorption mechanism in such structures, which can be used to enhance the absorption. The verification and validation of this approach is applied to a silicon nanowire array, and the efficiency and accuracy of the method is demonstrated. The method is ideally suited to studying the manner in which spectral properties (e.g., absorption) vary with the thickness of the array, and we demonstrate this with efficient calculations that can identify an optimal geometry.

References

Feb 10, 2007·Science·Nathan S Lewis
Apr 29, 2009·Optics Express·Jakob Blad, Aasmund S Sudbø
Dec 18, 2010·Optics Express·Zongfu YuShanhui Fan
Sep 22, 2011·Optics Express·Björn C P SturmbergRoss C McPhedran

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Citations

Jan 7, 2017·Journal of the Optical Society of America. A, Optics, Image Science, and Vision·Cinthya RivasAkhlesh Lakhtakia
Feb 12, 2014·Optics Express·Björn C P SturmbergC Martijn de Sterke
Nov 30, 2016·Nanoscale Research Letters·Daiji KanematsuMakoto Konagai
Oct 17, 2014·Optics Express·Justin L DonnellyC Martijn de Sterke
Mar 15, 2016·Journal of the Optical Society of America. A, Optics, Image Science, and Vision·Kokou B DossouLindsay C Botten
May 4, 2016·Journal of the Optical Society of America. A, Optics, Image Science, and Vision·Hualiang ShiYa Yan Lu
Aug 16, 2018·Journal of the Optical Society of America. A, Optics, Image Science, and Vision·Guillaume DemésyBrian Stout
Dec 25, 2015·Optics Express·Björn C P SturmbergC Martijn de Sterke
Dec 11, 2013·Journal of the Optical Society of America. A, Optics, Image Science, and Vision·Kokou B DossouChristopher G Poulton
Nov 19, 2018·Biosensors & Bioelectronics·Gabriel Sancho-FornesÁngel Maquieira

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