Title :
Analysis of a gap plasmonic waveguide using the frequency-dependent 3-D LOD-FDTD method
Author :
Shibayama, Jun ; Ando, Ryoji ; Yamauchi, XJunji ; Nakano, Hisamatsu
Author_Institution :
Fac. of Sci. & Eng., Hosei Univ., Tokyo, Japan
Abstract :
A frequency-dependent implicit locally one-dimensional finite-difference time-domain (LOD-FDTD) method is developed for the analysis of three-dimensional (3-D) plasmonic structures. A brief formulation is given with the use of the simple trapezoidal recursive convolution technique. A gap plasmonic waveguide is analyzed to validate the 3-D LOD-FDTD. The computational time is significantly reduced to 60% of that of the traditional explicit FDTD.
Keywords :
finite difference time-domain analysis; optical waveguides; plasmonics; frequency-dependent 3D LOD-FDTD method; frequency-dependent implicit locally one-dimensional finite-difference time-domain method; gap plasmonic waveguide; three-dimensional plasmonic structures; trapezoidal recursive convolution technique; Dispersion; Finite difference methods; Optical waveguides; Plasmons; Time domain analysis; Waveguide discontinuities;
Conference_Titel :
Numerical Simulation of Optoelectronic Devices (NUSOD), 2011 11th International Conference on
Conference_Location :
Rome
Print_ISBN :
978-1-61284-876-1
Electronic_ISBN :
2158-3234
DOI :
10.1109/NUSOD.2011.6041158
