Parallel Power Computation for Photonic Crystal Devices
2006 (English)In: Methods and Applications of Analysis, ISSN 1073-2772, E-ISSN 1945-0001, Vol. 13, no 2, 149-156 p.Article in journal (Refereed) Published
Three-dimensional finite-different time-domain (3D FDTD) simulation of photonic crystal devices often demands large amount of computational resources. In many cases it is unlikely to carry out the task on a serial computer. We have therefore parallelized a 3D FDTD code using MPI. Initially we used a one-dimensional topology so that the computational domain was divided into slices perpendicular to the direction of the power flow. Even though the speed-up of this implementation left considerable room for improvement, we were nevertheless able to solve largescale and long-running problems. Two such cases were studied: the power transmission in a two-dimensional photonic crystal waveguide in a multilayered structure, and the power coupling from a wire waveguide to a photonic crystal slab. In the first case, a power dip due to TE/TM modes conversion is observed and in the second case, the structure is optimized to improve the coupling. We have also recently completed a full three-dimensional topology parallelization of the FDTD code.
Place, publisher, year, edition, pages
2006. Vol. 13, no 2, 149-156 p.
Photonic crystals, the Maxwell equations, FDTD, MPI parallelization
Atom and Molecular Physics and Optics
IdentifiersURN: urn:nbn:se:kth:diva-8022OAI: oai:DiVA.org:kth-8022DiVA: diva2:13231
QC 201009222008-02-222008-02-222010-09-22Bibliographically approved