2006
DOI: 10.1364/ol.31.002972
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Abstract: Finite-difference time-domain (FDTD) methods suffer from reduced accuracy when modeling discontinuous dielectric materials, due to the inhererent discretization (pixelization). We show that accuracy can be significantly improved by using a subpixel smoothing of the dielectric function, but only if the smoothing scheme is properly designed. We develop such a scheme based on a simple criterion taken from perturbation theory and compare it with other published FDTD smoothing methods. In addition to consistently a… Show more

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Cited by 403 publications
(234 citation statements)
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“…12͒ and finite-difference time domain ͑FDTD͒. 13 The PWE allows for a very simple calculations of ideal PhC. The bandstructure can be obtained with a minimal computational effort.…”
Section: Sample Design and Descriptionmentioning
confidence: 99%
“…12͒ and finite-difference time domain ͑FDTD͒. 13 The PWE allows for a very simple calculations of ideal PhC. The bandstructure can be obtained with a minimal computational effort.…”
Section: Sample Design and Descriptionmentioning
confidence: 99%
“…11 A still image of the simulated electric field of a typical -LED showing the redirection of light toward the substrate and the directional emission pattern is shown in Fig. 2.…”
Section: Broadband Quantum Dot Micro-light-emitting Diodes With Parabmentioning
confidence: 99%
“…2.2.4). All electromagnetic properties are smoothed by MEEP according to Farjadpour et al (2006). The subsurface architecture is represented with layers.…”
mentioning
confidence: 99%