Implementation of a finite difference frequency domain mode solver incorporating subpixel smoothing.
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DOI: 10.1364/ao.472063
Abstract: Finite difference frequency domain (FDFD) mode solvers are straightforward to implement but can suffer from slow convergence when applied to high-contrast refractive index structures. In this work, we show how subpixel smoothing can improve the… read more here.
Keywords: frequency domain; finite difference; mode solver; mode ... See more keywords