Optimization of Nanoparticle-Based SERS Substrates through Large-Scale Realistic Simulations [0.03%]
基于纳米粒子的SERS基底的大规模实际模拟优化
Diego M Solís,José M Taboada,Fernando Obelleiro et al.
Diego M Solís et al.
Surface-enhanced Raman scattering (SERS) has become a widely used spectroscopic technique for chemical identification, providing unbeaten sensitivity down to the single-molecule level. The amplification of the optical near field produced by...
Electromagnetic Confinement via Spin-Orbit Interaction in Anisotropic Dielectrics [0.03%]
各向异性介质中自旋轨道作用下的电磁约束
Alessandro Alberucci,Chandroth P Jisha,Lorenzo Marrucci et al.
Alessandro Alberucci et al.
We investigate electromagnetic propagation in uniaxial dielectrics with a transversely varying orientation of the optic axis, the latter staying orthogonal everywhere in the propagation direction. In such a geometry, the field experiences n...
Surface Lattice Resonances for Enhanced and Directional Electroluminescence at High Current Densities [0.03%]
高电流密度下的表面晶格共振增强和定向电致发光现象研究
Yuriy Zakharko,Martin Held,Arko Graf et al.
Yuriy Zakharko et al.
Hybrid photonic-plasmonic modes in periodic arrays of metallic nanostructures offer a promising trade-off between high-quality cavities and subdiffraction mode confinement. However, their application in electrically driven light-emitting de...
Spatio-temporal Modeling of Lasing Action in Core-Shell Metallic Nanoparticles [0.03%]
core-shell金属纳米粒子激光作用的时空模型化
J Cuerda,F J García-Vidal,J Bravo-Abad
J Cuerda
Nanoscale laser sources based on single metallic nanoparticles (spasers) have attracted significant interest for their fundamental implications and technological potential. Here we theoretically investigate the spatio-temporal dynamics of l...
Gyroid Optical Metamaterials: Calculating the Effective Permittivity of Multidomain Samples [0.03%]
gyroid光学超材料：多域样品有效介电常数的计算
James A Dolan,Matthias Saba,Raphael Dehmel et al.
James A Dolan et al.
Gold gyroid optical metamaterials are known to possess a reduced plasma frequency and linear dichroism imparted by their intricate subwavelength single gyroid morphology. The anisotropic optical properties are, however, only evident when a ...
Rolf Szedlak,Andreas Harrer,Martin Holzbauer et al.
Rolf Szedlak et al.
The ubiquitous trend toward miniaturized sensing systems demands novel concepts for compact and versatile spectroscopic tools. Conventional optical sensing setups include a light source, an analyte interaction region, and a separate externa...
Harmonics Generation by Surface Plasmon Polaritons on Single Nanowires [0.03%]
单纳米线表面等离激元极化子的谐波产生方法研究
Anouk de Hoogh,Aron Opheij,Matthias Wulf et al.
Anouk de Hoogh et al.
We present experimental observations of visible wavelength second- and third-harmonic generation on single plasmonic nanowires of variable widths. We identify that near-infrared surface plasmon polaritons, which are guided along the nanowir...
Spatially Resolved Two-Dimensional Infrared Spectroscopy via Wide-Field Microscopy [0.03%]
基于宽场显微镜的二维红外光谱空间分辨测量技术
Joshua S Ostrander,Arnaldo L Serrano,Ayanjeet Ghosh et al.
Joshua S Ostrander et al.
We report the first wide-field microscope for measuring two-dimensional infrared (2D IR) spectroscopic images. We concurrently collect more than 16 000 2D IR spectra, made possible by a new focal plane array detector and mid-IR pulse shapin...
Plasmonic Nanostars as Efficient Broadband Scatterers for Random Lasing [0.03%]
等离激元纳米星：高效的宽带散射器在随机激光中的应用
Johannes Ziegler,Christian Wörister,Cynthia Vidal et al.
Johannes Ziegler et al.
Huge spectral coverage of random lasing throughout the visible up to the infrared range is achieved with star-shaped gold nanoparticles ("nanostars"). As intrinsically broadband scattering centers, the nanostars are suspended in solutions o...
Flexible White Light Emitting Diodes Based on Nitride Nanowires and Nanophosphors [0.03%]
基于氮化物纳米线和纳米级发光粉的柔性白光发光二极管
Nan Guan,Xing Dai,Agnès Messanvi et al.
Nan Guan et al.
We report the first demonstration of flexible white phosphor-converted light emitting diodes (LEDs) based on p-n junction core/shell nitride nanowires. GaN nanowires containing seven radial In0.2Ga0.8N/GaN quantum wells were grown by metal-...