scholarly journals Absorption spectra and electric field distributions of butterfly wing scale models coated with a metal film studied by finite-difference time-domain method

AIP Advances ◽  
2019 ◽  
Vol 9 (7) ◽  
pp. 075311 ◽  
Author(s):  
Pawin Raksrithong ◽  
Kitsakorn Locharoenrat
Keyword(s):  
Finite Difference ◽  
Electric Field ◽  
Time Domain ◽  
Finite Difference Time Domain ◽  
Metal Film ◽  
Butterfly Wing ◽  
Field Distributions ◽  
Wing Scale ◽  
Scale Models ◽  
Difference Time

An Algorithm of 3-D ADI-R-FDTD Based on Non-Zero Divergence Relationship

2011 ◽  
Vol 317-319 ◽  
pp. 1172-1176
Author(s):  
Xiu Hai Jin ◽  
Yi Wang Chen ◽  
Pin Zhang
Keyword(s):  
Magnetic Field ◽  
Finite Difference ◽  
Electric Field ◽  
Time Domain ◽  
Finite Difference Time Domain ◽  
Fdtd Method ◽  
Memory Requirement ◽  
Alternating Direction ◽  
Relationship Of ◽  
Difference Time

In this letter, an alternating-direction reduced finite-difference time-domain (ADI-R-FDTD) method is presents. It is proven that the divergence relationship of electric-field and magnetic-field is non-zero even in charge-free regions, when the electric-field and magnetic-field are calculated with alternating-direction finite-difference time-domain (ADI-FDTD) method in 3 dimensions case, and the expression of the divergence relationship is derived. Based on the non-zero divergence relationship, the ADI-FDTD method is combined with the reduced finite-difference time-domain (R-FDTD) method. In the proposed method, the memory requirement of ADI-R-FDTD is reduced by1/12 of the memory requirement of ADI-FDTD averagely in 3D case. The formulation is presented and the accuracy and efficiency of the proposed method is verified by comparing the results with the conventional results.

Optimization of electric field enhancement of Ag@SiO2 trimer nanospheres by finite difference time domain method

2019 ◽  
Vol 495 ◽  
pp. 143547 ◽  
Author(s):  
Anitharaj Nagarajan ◽  
Aruna Priya Panchanathan ◽  
Pandian Chelliah ◽  
Hiroaki Satoh ◽  
Hiroshi Inokawa
Keyword(s):  
Finite Difference ◽  
Electric Field ◽  
Time Domain ◽  
Finite Difference Time Domain ◽  
Field Enhancement ◽  
Time Domain Method ◽  
Electric Field Enhancement ◽  
Domain Method ◽  
Difference Time

scholarly journals Oscillator Finite-Difference Time-Domain (O-FDTD) electric field propagation model: integrated photonics and networks

2021 ◽  
Vol 255 ◽  
pp. 01005
Author(s):  
Ricardo M. R. Adão ◽  
Manuel Caño-Garcia ◽  
Christian Maibohm ◽  
Bruno Romeira ◽  
Jana B. Nieder
Keyword(s):  
Finite Difference ◽  
Electric Field ◽  
Time Domain ◽  
Finite Difference Time Domain ◽  
Propagation Model ◽  
Integrated Photonics ◽  
Simulation Performance ◽  
Lorentz Oscillator ◽  
Waveguide Design ◽  
Difference Time

The recently developed Lorentz Oscillator Model-inspired Oscillator Finite-Difference Time-Domain (O-FDTD) is one of the simplest FDTD models ever proposed, using a single field equation for electric field propagation. We demonstrate its versatility on various scales and benchmark its simulation performance against theory, conventional FDTD simulations, and experimental observations. The model’s broad applicability is demonstrated for (but not limited to) three contrasting realms: integrated photonics components on the nano- and micrometer scale, city-wide propagating radiofrequency signals reaching into the hundreds of meters scale, and for the first time, in support of 3D optical waveguide design that may play a key role in neuromorphic photonic computational devices.

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