Extension of an FFT-Based Beam Propagation Method to Plasmonic and Dielectric Waveguide Discontinuities and Junctions

Extension of an FFT-Based Beam Propagation Method to Plasmonic and Dielectric Waveguide Discontinuities and Junctions

We adapted a fast Fourier transform-based Beam Propagation Method (FFT-BPM) to investigate waveguide discontinuities in plasmonic waveguides. The adaptation of the FFT-BPM to treat transverse magnetic (TM) fields requires the circumvention of two major difficulties: the mixed derivatives of the magn...

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Bibliographic Details
Main Authors: Adel Shaaban, Yi-Chun Du, Lotfy Rabeh Gomaa
Format: Article
Language:English
Published: MDPI AG 2019-10-01
Series:Applied Sciences
Subjects:
plasmonics
photonics
bi-directional bpm
optical propagation
tm fields
fft-bpm
plasmonic waveguide
butt-coupler
sensors
reflection formalism
Online Access:https://www.mdpi.com/2076-3417/9/20/4362

Internet

https://www.mdpi.com/2076-3417/9/20/4362

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