Optimal Parallel Algorithm of Fast Inverse Laplace Transform for Electromagnetic Analysis

Wu, Di; Kishimoto, Seiya; Ohnuki, Shinichiro

doi:10.1109/lawp.2020.3020327

Cited by 13 publications

(17 citation statements)

References 20 publications

(27 reference statements)

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“…To incorporate the polarization P , the hydrodynamic Drude model of a metallic nanocylinder is considered. The model is subjected to the equation of motion of an electron [10–15] as:

β^{2} \nabla (\nabla \cdot P) + (ω^{2} - j γ ω) P = - ε_{0} ω_{p}^{2} E

where β is expressed in terms of the Fermi velocity, γ is a parameter that represents decay due to electron collision, and ω p is the plasma frequency. The nonlocal effect of electrons is expressed by the first term in (3).…”

Section: Finite‐difference Frequency‐domain Methodsmentioning

confidence: 99%

“…To incorporate the polarization P, the hydrodynamic Drude model of a metallic nanocylinder is considered. The model is subjected to the equation of motion of an electron [10][11][12][13][14][15] as:…”

Section: Finite-difference Frequency-domain Methodmentioning

confidence: 99%

“…Finite-difference frequency-domain method: Herein, the steady-state plasmon propagation characteristics are evaluated, using the finitedifference frequency-domain (FDFD) electromagnetic solver [8][9][10][11] to reduce the computational time. For a detailed understanding of the plasmon resonance characteristics, the medium of the metallic nanocylinder is modelled based on the hydrodynamic Drude model [12][13][14][15][16][17]; this model can be used to predict the response of plasmonic devices reliably because it considers the nonlocal effects, which are important in nanostructures.…”

mentioning

confidence: 99%

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Design of metallic nanocylinder array waveguide for controlling resonant wavelength shift

Ando

Endo

et al. 2021

Electronics Letters

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A metallic nanocylinder array was previously proposed for the propagation of localized light generated in nanosized objects. However, the plasmon resonant wavelength for each cylinder shifts significantly with the propagation of light. In this study, a metallic nanoelliptic cylinder waveguide is investigated to control the plasmon resonant wavelength shift. The finite-difference frequency-domain (FDFD) electromagnetic solver is used to reduce the computational time. The relationship between the cross-section of the cylinder and the plasmon resonance for the metal is described with the hydrodynamic Drude model. The effectiveness of the proposed waveguide in controlling the resonant wavelength shifts is confirmed by examining the plasmon propagation for 30 nanocylinders.

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“…To incorporate the polarization P , the hydrodynamic Drude model of a metallic nanocylinder is considered. The model is subjected to the equation of motion of an electron [10–15] as:

β^{2} \nabla (\nabla \cdot P) + (ω^{2} - j γ ω) P = - ε_{0} ω_{p}^{2} E

Section: Finite‐difference Frequency‐domain Methodsmentioning

confidence: 99%

Section: Finite-difference Frequency-domain Methodmentioning

confidence: 99%

mentioning

confidence: 99%

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Design of metallic nanocylinder array waveguide for controlling resonant wavelength shift

Ando

Endo

et al. 2021

Electronics Letters

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show abstract

“…The solution in the complex frequency domain is transformed into the time domain using a fast inverse Laplace transform (FILT) [11][12][13]. The advantages of this method are the following: the dispersive media is easy to implement, computational modeling is compatible with FDTD, and it is suitable for the parallel computation [10]. However, it is necessary to implement an absorption boundary.…”

Section: Introductionmentioning

confidence: 99%

“…The solution at the desired observation time can be obtained. Furthermore, time-division parallel computing can be easily realized [9,10].…”

Section: Introductionmentioning

confidence: 99%

Transient Analysis Method for Plasmonic Devices by PMCHWT With Fast Inverse Laplace Transform

Kishimoto

Huang

Ashizawa

et al. 2022

Antennas Wirel. Propag. Lett.

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The transient analysis of electromagnetic problems is important in the designing of plasmonic devices. It is useful for clarifying physical phenomena with extremely short timescales, because transient response affects the device performance. A timedomain computational technique is proposed for the transient analysis of electromagnetic problems with nanostructures. Our method is based on boundary integral equations in the complex frequency domain and fast inverse Laplace transforms. The advantage of our method is that the objects can be modeled by surface structure, dispersive media can be easily considered, computational error analysis is simple, and the electromagnetic field at the desired observation time can be obtained.

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Three-phase inverter closed-loop control based on SVPWM drive

Wang

2023

AIP Conference Proceedings

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Optimal Parallel Algorithm of Fast Inverse Laplace Transform for Electromagnetic Analysis

Cited by 13 publications

References 20 publications

Design of metallic nanocylinder array waveguide for controlling resonant wavelength shift

Design of metallic nanocylinder array waveguide for controlling resonant wavelength shift

Transient Analysis Method for Plasmonic Devices by PMCHWT With Fast Inverse Laplace Transform

Three-phase inverter closed-loop control based on SVPWM drive

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