Optimization of nonlinear dispersive APML ABC for the FDTD analysis of optical solitons

Fujii, M.; Omaki, Nobutaka; Tahara, Minoru; Iwata, Shuichi; Poulton, Christopher G.; Freude, W.; Russer, P.

doi:10.1109/jqe.2004.841928

Cited by 14 publications

(4 citation statements)

References 14 publications

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“…A comparative study of various PML configurations for nonlinear media is presented in [298]. A PML-FDTD algorithm for media with both dispersion and anisotropy is developed in [201] and an algorithm for media with both dispersion and nonlinearities is formulated in [299] and applied to optical soliton propagation in [300]. One particularly simple formulation of a nearly PML to truncate general media in FDTD is presented in [301].…”

Section: Nonlinear Mediamentioning

confidence: 99%

Time-Domain Finite-Difference and Finite-Element Methods for Maxwell Equations in Complex Media

Teixeira

2008

IEEE Trans. Antennas Propagat.

198

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Section: Nonlinear Mediamentioning

confidence: 99%

Time-Domain Finite-Difference and Finite-Element Methods for Maxwell Equations in Complex Media

Teixeira

2008

IEEE Trans. Antennas Propagat.

198

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“…The accuracy of the method has been verified extensively in various problems [ Taflove and Hagness , ], e.g., optical solitons [ Fujii et al , ] and nanooptics [ Fujii et al , ; Fujii , , , , and references therein]. The same method has been applied to the analysis of the surface plasmon on planar and curved geometries [ Fujii , ].…”

Section: Numerical Analysismentioning

confidence: 99%

A new mode of radio wave diffraction via the terrestrial surface plasmon on mountain range

Fujii

2016

Radio Science

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It is shown that a new mode of radio wave diffraction occurs at the peak of mountains mediated via the terrestrial surface plasmon. If mobile electrical charges exist on the Earth's surface, the electromagnetic theory predicts strong coupling between the radio wave and the surface plasmon on the ground. If sufficient amount of electrical charges of the same sign appear on the ground as a consequence of some underground preseismic activity, they will be subject to the electrical repulsive forces. The surface electrical charges will then move toward topographic highs of nearby mountain peaks. Radio waves are then shown to interact with such electrical charges and create collective oscillations of the surface charges to induce a surface plasmon. Here it is clarified with numerical analyses on a massively parallel supercomputer that such interactions occur on the peak of mountains, hence causing peculiar phenomena of random diffraction. Depending on the density of the electrical charges on the ground surface, the interaction becomes strong enough to cause intense and random scattering and diffraction of the radio wave from the rough surface of the mountain topography. Mountain peaks thus act as a secondary source of radio waves; unexpectedly, radio waves are reradiated from the peaks into various directions by the anomalous diffraction and scattering, and the reradiated wave can propagate beyond the line of sight over mountains to reach distant locations. Such effects may arise randomly but concurrently with some preseismic activity in the crustal rocks, of which observation may allow statistical analysis of the critical state of crustal rocks over a broad area of a few hundred kilometers.

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“…To avoid the reflection of light at the boundary truncation, the perfectly matched layer (PML) boundary condition is adopted in the xy transverse planes (±z edges). [16,17] Moreover, the input wave is assumed to be in the y-direction polarization (TE mode), so the perfect electrical conductor (PEC) is set to be in the x-z transverse planes (±y edges) and the perfect magnetic conductor (PMC) is set to be in the y-z transverse planes (±x edges) to realize the plane wave [18] (as seen in Figs. 2-4).…”

Section: Model and Theorymentioning

confidence: 99%

Study of modulation property to incident laser by surface micro-defects on KH ₂ PO ₄ crystal

Chen

Cheng

et al. 2012

Chinese Phys. B

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KH2PO4 crystal is a crucial optical component of inertial confinement fusion. Modulation of an incident laser by surface micro-defects will induce the growth of surface damage, which largely restricts the enhancement of the laser induced damage threshold. The modulation of an incident laser by using different kinds of surface defects are simulated by employing the three-dimensional finite-difference time-domain method. The results indicate that after the modulation of surface defects, the light intensity distribution inside the crystal is badly distorted, with the light intensity enhanced symmetrically. The relations between modulation properties and defect geometries (e.g., width, morphology, and depth of defects) are quite different for different defects. The modulation action is most obvious when the width of surface defects reaches 1.064 μm. For defects with smooth morphology, such as spherical pits, the degree of modulation is the smallest and the light intensity distribution seems relatively uniform. The degree of modulation increases rapidly with the increase of the depth of surface defects and becomes stable when the depth reaches a critical value. The critical depth is 1.064 μm for cuboid pits and radial cracks, while for ellipsoidal pits the value depends on both the width and the length of the defects.

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Optimization of nonlinear dispersive APML ABC for the FDTD analysis of optical solitons

Cited by 14 publications

References 14 publications

Time-Domain Finite-Difference and Finite-Element Methods for Maxwell Equations in Complex Media

Time-Domain Finite-Difference and Finite-Element Methods for Maxwell Equations in Complex Media

A new mode of radio wave diffraction via the terrestrial surface plasmon on mountain range

Study of modulation property to incident laser by surface micro-defects on KH ₂ PO ₄ crystal

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Optimization of nonlinear dispersive APML ABC for the FDTD analysis of optical solitons

Cited by 14 publications

References 14 publications

Time-Domain Finite-Difference and Finite-Element Methods for Maxwell Equations in Complex Media

Time-Domain Finite-Difference and Finite-Element Methods for Maxwell Equations in Complex Media

A new mode of radio wave diffraction via the terrestrial surface plasmon on mountain range

Study of modulation property to incident laser by surface micro-defects on KH 2 PO 4 crystal

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Study of modulation property to incident laser by surface micro-defects on KH ₂ PO ₄ crystal