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Lumerical Solutions finite-difference time-domain method
Finite Difference Time Domain Method, supplied by Lumerical Solutions, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/finite-difference+time-domain+method/finite+difference+time+domain+method/10__1016_slash_j__ceramint__2025__03__238-54-23-27
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Article Title: Fabrication and performance of visible-infrared stealth material imitating butterfly wings
Article Snippet: Inspired by porous structures of butterfly wings which generate visible light colors, biomimetic films were designed for visible-infrared compatible camouflage.. The effect of butterfly wing microstructure on light reflectance was simulated by the finite difference time domain (FDTD) method.. On the basis of the simulated results, biomimetic films on aluminum sheets were prepared through two-step anodizing process.

Article Title: Upconversion Plasmonic Lasing from an Organolead Trihalide Perovskite Nanocrystal with Low Threshold
Article Snippet: The understanding of nonlinear light−matter interactions at the nanoscale has fueled worldwide interest in upconversion emission for imaging, lasing, and sensing.. Upconversion lasers with anti-Stokes-type emission with various designs have been reported.. However, reducing the volume and lasing threshold of such lasers to the nanoscale level is a fundamental photonics challenge.

Article Title: Plasmonic Nanoparticle Film for Low-Power NIR-Enhanced Photocatalytic Reaction.
Article Snippet: Plasmonic metal nanostructures offer the unique ability to effectively enhance sunlight harvesting by localized surface plasmon resonance (LSPR), which can induce direct photocatalytic reactions.. However, only metal nanoparticles with a relatively low magnitude of electromagnetic field enhancement usually require a high illumination intensity to ensure the catalytic Page 1 of 33 ACS Paragon Plus Environment ACS Applied Materials & Interfaces 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 2 performance, which greatly limits the solar photocatalytic efficiency.. Herein, we designed plasmonic Au nanoparticle film with high electromagnetic field enhancement to achieve high-efficiency catalytic activity under low power NIR light illumination.

Article Title: Deterministic nanoantenna array design for stable plasmon-enhanced harmonic generation
Article Snippet: The designated nanoantenna design had a length of 165 nm, width of 35 nm, and thickness of 40 nm with rounded corners, considering the fabrication limits of e-beam nanolithography. show the local field distributions of the designated nanoantenna at the interface between the nanoantenna and Si film calculated by the finite-difference time-domain (FDTD) method (Lumerical Solutions) with orthogonal laser polarizations.

Article Title: Gate-Tunable Plasmon-Enhanced Photodetection in a Monolayer MoS 2 Phototransistor with Ultrahigh Photoresponsivity.
Article Snippet: Monolayer transition metal dichalcogenides (TMDs), direct bandgap materials with an atomically thin nature, are promising materials for electronics and photonics, especially at highly scaled lateral dimensions.. However, the characteristically low total absorption of photons in the monolayer TMD has become a challenge in the access to and realization of monolayer TMDbased high-performance optoelectronic functionalities and devices.. Here, we demonstrate gate-tunable plasmonic phototransistors (photoFETs) that consist of monolayer molybdenum disulfide (MoS2) photoFETs integrated with the two-dimensional plasmonic crystals.

Article Title: Large-area grain-boundary-free copper films for plasmonics
Article Snippet: A finite-difference time-domain (FDTD) method from Lumerical Solutions was employed to simulate the plasmonic near-field intensity distributions and transmitted spectra of the copper nanohole arrays on sapphire substrates used in the experiments.

Article Title: Room-temperature on-chip orbital angular momentum single-photon sources
Article Snippet: We modeled the performance of OAM sources with different arm numbers in real situations using the finite-difference time-domain method (Lumerical Solutions).

Article Title: Perovskite Quantum Dot Lasing in a Gap-Plasmon Nanocavity with Ultralow Threshold.
Article Snippet: Lead halide perovskite materials have recently received considerable attention for achieving an economic and tunable laser owing to their solution-processable feature and promising optical properties.. However, most reported perovskite-based lasers operate with a large lasing-mode volume, resulting in a high lasing threshold due to the inefficient coupling between the optical gain medium and cavity.. Here, we demonstrate a continuouswave (CW) nanolasing from a single lead halide perovskite (CsPbBr3) quantum dot (PQD) in a plasmonic gapmode nanocavity with an ultralow threshold of 1.9 Wcm–2 under 120 K. The calculated ultrasmall mode volume (~0.002 3) with a z-polarized dipole and the significantly large Purcell enhancement at the corner of the nanocavity inside the gap dramatically enhance the light-matter interaction in the nanocavity, thus facilitating lasing.



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Schematic diagram of microsphere-assisted fs-laser fabrication of hBN emitters and simulations. (a) Experimental design of the MPM with spacer over the hBN flake surface on the SiO 2 /Si substrate. Bottom: Side view of microsphere enhancement of the fs-laser focus. (b)–(e) <t>FDTD</t> simulation of the light field distribution of the MPM focus: (b) light distribution in the xz -plane and intensity distribution along the z -axis with direct contact between the MPM and the substrate. (c) Light distribution in the xy -plane and intensity distribution along the y -axis at the maximum intensity position with direct contact. (d) Light distribution in the xz -plane and intensity distribution along the z -axis with a 6 µm distance between hBN and microsphere. (e) Light distribution in the xy -plane and intensity distribution along the y -axis at the maximum intensity position with a 6 µm distance.
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Schematic diagram of microsphere-assisted fs-laser fabrication of hBN emitters and simulations. (a) Experimental design of the MPM with spacer over the hBN flake surface on the SiO 2 /Si substrate. Bottom: Side view of microsphere enhancement of the fs-laser focus. (b)–(e) <t>FDTD</t> simulation of the light field distribution of the MPM focus: (b) light distribution in the xz -plane and intensity distribution along the z -axis with direct contact between the MPM and the substrate. (c) Light distribution in the xy -plane and intensity distribution along the y -axis at the maximum intensity position with direct contact. (d) Light distribution in the xz -plane and intensity distribution along the z -axis with a 6 µm distance between hBN and microsphere. (e) Light distribution in the xy -plane and intensity distribution along the y -axis at the maximum intensity position with a 6 µm distance.
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Schematic diagram of microsphere-assisted fs-laser fabrication of hBN emitters and simulations. (a) Experimental design of the MPM with spacer over the hBN flake surface on the SiO 2 /Si substrate. Bottom: Side view of microsphere enhancement of the fs-laser focus. (b)–(e) <t>FDTD</t> simulation of the light field distribution of the MPM focus: (b) light distribution in the xz -plane and intensity distribution along the z -axis with direct contact between the MPM and the substrate. (c) Light distribution in the xy -plane and intensity distribution along the y -axis at the maximum intensity position with direct contact. (d) Light distribution in the xz -plane and intensity distribution along the z -axis with a 6 µm distance between hBN and microsphere. (e) Light distribution in the xy -plane and intensity distribution along the y -axis at the maximum intensity position with a 6 µm distance.
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Schematic diagram of microsphere-assisted fs-laser fabrication of hBN emitters and simulations. (a) Experimental design of the MPM with spacer over the hBN flake surface on the SiO 2 /Si substrate. Bottom: Side view of microsphere enhancement of the fs-laser focus. (b)–(e) <t>FDTD</t> simulation of the light field distribution of the MPM focus: (b) light distribution in the xz -plane and intensity distribution along the z -axis with direct contact between the MPM and the substrate. (c) Light distribution in the xy -plane and intensity distribution along the y -axis at the maximum intensity position with direct contact. (d) Light distribution in the xz -plane and intensity distribution along the z -axis with a 6 µm distance between hBN and microsphere. (e) Light distribution in the xy -plane and intensity distribution along the y -axis at the maximum intensity position with a 6 µm distance.
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Schematic diagram of microsphere-assisted fs-laser fabrication of hBN emitters and simulations. (a) Experimental design of the MPM with spacer over the hBN flake surface on the SiO 2 /Si substrate. Bottom: Side view of microsphere enhancement of the fs-laser focus. (b)–(e) <t>FDTD</t> simulation of the light field distribution of the MPM focus: (b) light distribution in the xz -plane and intensity distribution along the z -axis with direct contact between the MPM and the substrate. (c) Light distribution in the xy -plane and intensity distribution along the y -axis at the maximum intensity position with direct contact. (d) Light distribution in the xz -plane and intensity distribution along the z -axis with a 6 µm distance between hBN and microsphere. (e) Light distribution in the xy -plane and intensity distribution along the y -axis at the maximum intensity position with a 6 µm distance.
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Schematic diagram of microsphere-assisted fs-laser fabrication of hBN emitters and simulations. (a) Experimental design of the MPM with spacer over the hBN flake surface on the SiO 2 /Si substrate. Bottom: Side view of microsphere enhancement of the fs-laser focus. (b)–(e) <t>FDTD</t> simulation of the light field distribution of the MPM focus: (b) light distribution in the xz -plane and intensity distribution along the z -axis with direct contact between the MPM and the substrate. (c) Light distribution in the xy -plane and intensity distribution along the y -axis at the maximum intensity position with direct contact. (d) Light distribution in the xz -plane and intensity distribution along the z -axis with a 6 µm distance between hBN and microsphere. (e) Light distribution in the xy -plane and intensity distribution along the y -axis at the maximum intensity position with a 6 µm distance.
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Schematic diagram of microsphere-assisted fs-laser fabrication of hBN emitters and simulations. (a) Experimental design of the MPM with spacer over the hBN flake surface on the SiO 2 /Si substrate. Bottom: Side view of microsphere enhancement of the fs-laser focus. (b)–(e) <t>FDTD</t> simulation of the light field distribution of the MPM focus: (b) light distribution in the xz -plane and intensity distribution along the z -axis with direct contact between the MPM and the substrate. (c) Light distribution in the xy -plane and intensity distribution along the y -axis at the maximum intensity position with direct contact. (d) Light distribution in the xz -plane and intensity distribution along the z -axis with a 6 µm distance between hBN and microsphere. (e) Light distribution in the xy -plane and intensity distribution along the y -axis at the maximum intensity position with a 6 µm distance.
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Schematic diagram of microsphere-assisted fs-laser fabrication of hBN emitters and simulations. (a) Experimental design of the MPM with spacer over the hBN flake surface on the SiO 2 /Si substrate. Bottom: Side view of microsphere enhancement of the fs-laser focus. (b)–(e) <t>FDTD</t> simulation of the light field distribution of the MPM focus: (b) light distribution in the xz -plane and intensity distribution along the z -axis with direct contact between the MPM and the substrate. (c) Light distribution in the xy -plane and intensity distribution along the y -axis at the maximum intensity position with direct contact. (d) Light distribution in the xz -plane and intensity distribution along the z -axis with a 6 µm distance between hBN and microsphere. (e) Light distribution in the xy -plane and intensity distribution along the y -axis at the maximum intensity position with a 6 µm distance.
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Schematic diagram of microsphere-assisted fs-laser fabrication of hBN emitters and simulations. (a) Experimental design of the MPM with spacer over the hBN flake surface on the SiO 2 /Si substrate. Bottom: Side view of microsphere enhancement of the fs-laser focus. (b)–(e) FDTD simulation of the light field distribution of the MPM focus: (b) light distribution in the xz -plane and intensity distribution along the z -axis with direct contact between the MPM and the substrate. (c) Light distribution in the xy -plane and intensity distribution along the y -axis at the maximum intensity position with direct contact. (d) Light distribution in the xz -plane and intensity distribution along the z -axis with a 6 µm distance between hBN and microsphere. (e) Light distribution in the xy -plane and intensity distribution along the y -axis at the maximum intensity position with a 6 µm distance.

Journal: Nanophotonics

Article Title: Microsphere-assisted generation of localized optical emitters in 2D hexagonal boron nitride

doi: 10.1515/nanoph-2024-0625

Figure Lengend Snippet: Schematic diagram of microsphere-assisted fs-laser fabrication of hBN emitters and simulations. (a) Experimental design of the MPM with spacer over the hBN flake surface on the SiO 2 /Si substrate. Bottom: Side view of microsphere enhancement of the fs-laser focus. (b)–(e) FDTD simulation of the light field distribution of the MPM focus: (b) light distribution in the xz -plane and intensity distribution along the z -axis with direct contact between the MPM and the substrate. (c) Light distribution in the xy -plane and intensity distribution along the y -axis at the maximum intensity position with direct contact. (d) Light distribution in the xz -plane and intensity distribution along the z -axis with a 6 µm distance between hBN and microsphere. (e) Light distribution in the xy -plane and intensity distribution along the y -axis at the maximum intensity position with a 6 µm distance.

Article Snippet: Numerical simulations of the electromagnetic field were conducted using a finite-difference time-domain (FDTD) method in Ansys Lumerical FDTD for focusing analysis, and a finite element method (FEM) in COMSOL Multiphysics for optical WGMs.

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