A DGFETD Port Formulation for Photoconductive Antenna Analysis

A DGFETD Port Formulation for Photoconductive Antenna Analysis

A discontinuous Galerkin finite-element time-domain (DGFETD) port formulation of the coupled Maxwell's equations and Drift-Diffusion equations for a photoconductive antenna is derived. The formulation is cast in a form such that static quantities are extracted. The resulting system is used to a...

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Veröffentlicht in:IEEE antennas and wireless propagation letters 2015-01, Vol.14, p.386-389
Hauptverfasser: Young, John C., Boyd, Darren, Gedney, Stephen D., Suzuki, Takehito, Jinjun Liu
Format: Artikel
Sprache:eng
Schlagworte:
Computational modeling
Dipole antennas
Discontinuous Galerkin finite-element time-domain method
Drift-Diffusion equations
Equations
Mathematical model
Maxwell's equations
photoconductive antennas
Ports (Computers)
Semiconductor device modeling
terahertz-band antennas
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Zusammenfassung:A discontinuous Galerkin finite-element time-domain (DGFETD) port formulation of the coupled Maxwell's equations and Drift-Diffusion equations for a photoconductive antenna is derived. The formulation is cast in a form such that static quantities are extracted. The resulting system is used to analyze terahertz-band photoconductive antennas with well-defined gap regions excited by pulsed lasers. Several antenna types are investigated, and results are compared to measured results from the literature .
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2014.2364524