Parallel FDTD Electromagnetic Simulation of Dispersive Plasmonic Nanostructures and Opal Photonic Crystals in the Optical Frequency Range

摘要: In the last decade, nanotechnology has enormously and rapidly developed. The technological progress allowed practical realization of devices that in past have been studied only from a theoretical point view. particular we focus here on nanotechnologies for optical frequency range, such as plasmonic photonic crystals, which are used many areas engineering. Plasmonic noble metal nanoparticles order to improve photovoltaic solar cell efficiency their forward scattering electromagnetic field enhancement properties. Photonic crystals example low threshold lasers, biosensors compact waveguide. numerical simulation complex problems plasmonics photonics is cumbersome. dispersive behavior be modeled an accurate way detailed description fields. Besides code parallelization needed simulate large realistic problems. Finite Difference Time Domain (FDTD) method solving Maxwell's equations simulating interaction between radiation nanostructures. A modified algorithm Drude dispersion proposed validated case nanoparticles. approach extended other models parallel FDTD with mesh refinement (subgridding) more regions developed speed up time. also amount required memory due dimension analysis domain. nanostructures different shapes dimensions front surface silicon layer simulated. evaluated optimize concentration light inside active region cell. Some design parameters deduced this study. Opal filling factors simulated tune transmittance band-gap find explanation experimental evidences.