Abstract
In this paper, we develop a B-spline finite-element method (FEM) based on a locally modal wave propagation with anisotropic perfectly matched layers (PMLs), for the first time, to simulate nonlinear and lossy plasmonic waveguides. Conventional approaches like beam propagation method, inherently omit the wave spectrum and do not provide physical insight into nonlinear modes especially in the plasmonic applications, where nonlinear modes are constructed by linear modes with very close propagation constant quantities. Our locally modal B-spline finite element method (LMBS-FEM) does not suffer from the weakness of the conventional approaches. To validate our method, first, propagation of wave for various kinds of linear, nonlinear, lossless and lossy materials of metal-insulator plasmonic structures are simulated using LMBS-FEM in MATLAB and the comparisons are made with FEM-BPM module of COMSOL Multiphysics simulator and B-spline finite-element finite-difference wide angle beam propagation method (BSFEFD-WABPM). The comparisons show that not only our developed numerical approach is computationally more accurate and efficient than conventional approaches but also it provides physical insight into the nonlinear nature of the propagation modes.
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©2016 by De Gruyter
Articles in the same Issue
- Frontmatter
- Miniaturized Dual-Band Bandpass Filter Using Embedded Dual-Mode Resonator with Controllable Bandwidths
- Quasi Eighth-Mode Substrate Integrated Waveguide (SIW) Fractal Resonator Filter Utilizing Gap Coupling Compensation
- Bandwidth Enhancement of Cylindrical Dielectric Resonator Antenna Using Thin Dielectric Layer Fed by Resonating Slot
- A Novel Design of Frequency Reconfigurable Antenna for UWB Application
- An Accurate Method for Measuring Airplane-Borne Conformal Antenna’s Radar Cross Section
- Separation of Intercepted Multi-Radar Signals Based on Parameterized Time-Frequency Analysis
- Estimation and Extraction of Radar Signal Features Using Modified B Distribution and Particle Filters
- A Simple Permittivity Calibration Method for GPR-Based Road Pavement Measurements
- Performance Analysis of Hybrid WDM-FSO System under Various Weather Conditions
- A Locally Modal B-Spline Based Full-Vector Finite-Element Method with PML for Nonlinear and Lossy Plasmonic Waveguide
- Review of Magnetron Developments
Articles in the same Issue
- Frontmatter
- Miniaturized Dual-Band Bandpass Filter Using Embedded Dual-Mode Resonator with Controllable Bandwidths
- Quasi Eighth-Mode Substrate Integrated Waveguide (SIW) Fractal Resonator Filter Utilizing Gap Coupling Compensation
- Bandwidth Enhancement of Cylindrical Dielectric Resonator Antenna Using Thin Dielectric Layer Fed by Resonating Slot
- A Novel Design of Frequency Reconfigurable Antenna for UWB Application
- An Accurate Method for Measuring Airplane-Borne Conformal Antenna’s Radar Cross Section
- Separation of Intercepted Multi-Radar Signals Based on Parameterized Time-Frequency Analysis
- Estimation and Extraction of Radar Signal Features Using Modified B Distribution and Particle Filters
- A Simple Permittivity Calibration Method for GPR-Based Road Pavement Measurements
- Performance Analysis of Hybrid WDM-FSO System under Various Weather Conditions
- A Locally Modal B-Spline Based Full-Vector Finite-Element Method with PML for Nonlinear and Lossy Plasmonic Waveguide
- Review of Magnetron Developments