Efficient optical simulation of nano structures in thin-film solar cells

Julian Hornich; Georg Hager; Christoph Pflaum

doi:10.1117/12.2312545

28 May 2018 Efficient optical simulation of nano structures in thin-film solar cells

Julian Hornich, Georg Hager, Christoph Pflaum

Proceedings Volume 10694, Computational Optics II; 106940R (2018) https://doi.org/10.1117/12.2312545
Event: SPIE Optical Systems Design, 2018, Frankfurt, Germany

Abstract

Optical simulations are a crucial part in designing and understanding new solar cell devices to help with the transition to more environmentally friendly energy generation. We present a multicore wavefront diamond blocking scheme with multi-dimensional cache block sharing for our hybrid-parallel (MPI+OpenMP) optical solar cell simulation code utilizing the Time Harmonic Inverse Iteration Method (THIIM) to discretize Maxwell’s equations. This approach allows to decouple the code from the main memory bandwidth bottleneck and achieves a single node speed-up of up to three compared to an optimal implementation with pure spatial blocking and a multi node speed-up of up to two even with large numbers of compute nodes.

Citation Download Citation

Julian Hornich, Georg Hager, and Christoph Pflaum "Efficient optical simulation of nano structures in thin-film solar cells", Proc. SPIE 10694, Computational Optics II, 106940R (28 May 2018); https://doi.org/10.1117/12.2312545

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