Hugo Blanc,Gabriel Kaddour,Nicolas B David et al.
Hugo Blanc et al.
Simultaneous imaging of multiple labels in tissues is key to studying complex biological processes. Although strategies for color multiphoton excitation have been established, chromatic aberration remains a major problem when multiple excit...
Deep Convolutional Mixture Density Network for Inverse Design of Layered Photonic Structures [0.03%]
用于设计分层光子结构的深度卷积混合密度网络
Rohit Unni,Kan Yao,Yuebing Zheng
Rohit Unni
Machine learning (ML) techniques, such as neural networks, have emerged as powerful tools for the inverse design of nanophotonic structures. However, this innovative approach suffers some limitations. A primary one is the nonuniqueness prob...
Terahertz Emission via Optical Rectification in a Metal-Free Perovskite Crystal [0.03%]
无金属钙钛矿晶体中的光学整流太赫兹发射
Nathaniel P Gallop,Dumitru Sirbu,David Walker et al.
Nathaniel P Gallop et al.
We report on the emission of high-intensity pulsed terahertz radiation from the metal-free halide perovskite single crystal methyl-DABCO ammonium iodide (MDNI) under femtosecond illumination. The power and angular dependence of the THz outp...
Nonlinear Optical Response of a Plasmonic Nanoantenna to Circularly Polarized Light: Rotation of Multipolar Charge Density and Near-Field Spin Angular Momentum Inversion [0.03%]
圆偏振光照射下单纳米天线的非线性光学响应：多极电荷密度旋转及近场角动量翻转效应
Marina Quijada,Antton Babaze,Javier Aizpurua et al.
Marina Quijada et al.
The spin and orbital angular momentum carried by electromagnetic pulses open new perspectives to control nonlinear processes in light-matter interactions, with a wealth of potential applications. In this work, we use time-dependent density ...
New Horizons in Near-Zero Refractive Index Photonics and Hyperbolic Metamaterials [0.03%]
近零折射率光学和双曲材料的新进展
Michaël Lobet,Nathaniel Kinsey,Iñigo Liberal et al.
Michaël Lobet et al.
The engineering of the spatial and temporal properties of both the electric permittivity and the refractive index of materials is at the core of photonics. When vanishing to zero, those two variables provide efficient knobs to control light...
Single-Photon Level Dispersive Fourier Transform: Ultrasensitive Characterization of Noise-Driven Nonlinear Dynamics [0.03%]
单光子级色散傅立叶变换：噪声驱动非线性动力学的超灵敏表征
Lynn Sader,Surajit Bose,Anahita Khodadad Kashi et al.
Lynn Sader et al.
Dispersive Fourier transform is a characterization technique that allows directly extracting an optical spectrum from a time domain signal, thus providing access to real-time characterization of the signal spectrum. However, these technique...
Nanopatterned Back-Reflector with Engineered Near-Field/Far-Field Light Scattering for Enhanced Light Trapping in Silicon-Based Multijunction Solar Cells [0.03%]
具有工程化近场/远场散射性能的纳米光栅背反射镜增强硅基多结太阳能电池的陷光效果
Andrea Cordaro,Ralph Müller,Stefan Wil Tabernig et al.
Andrea Cordaro et al.
Multijunction solar cells provide a path to overcome the efficiency limits of standard silicon solar cells by harvesting a broader range of the solar spectrum more efficiently. However, Si-based multijunction architectures are hindered by i...
Efficient and Continuous Carrier-Envelope Phase Control for Terahertz Lightwave-Driven Scanning Probe Microscopy [0.03%]
太赫兹光波驱动扫描探针显微镜的高效连续载波包络相位控制
Jonas Allerbeck,Joel Kuttruff,Laric Bobzien et al.
Jonas Allerbeck et al.
The fundamental understanding of quantum dynamics in advanced materials requires precise characterization at the limit of spatiotemporal resolution. Ultrafast scanning tunneling microscopy is a powerful tool combining the benefits of picose...
Exploiting Oriented Field Projectors to Open Topological Gaps in Plasmonic Nanoparticle Arrays [0.03%]
利用定向场投影仪在等离激元纳米颗粒阵列中打开拓扑间隙
Álvaro Buendía,Jose A Sánchez-Gil,Vincenzo Giannini
Álvaro Buendía
In the last years there have been multiple proposals in nanophotonics to mimic topological condensed matter systems. However, nanoparticles have degrees of freedom that atoms lack of, like dimensions or shape, which can be exploited to expl...
Multiphysics Modeling of Plasmon-Enhanced All-Optical Helicity-Dependent Switching [0.03%]
等离激元增强的全光学手性依赖开关的多物理模型
Feng Cheng,Chuangtang Wang,Yihao Xu et al.
Feng Cheng et al.
In this work, we propose a multiphysics approach to simulate all-optical helicity-dependent switching induced by the local hot spots of plasmonic nanostructures. Due to the plasmonic resonance of an array of gold nanodisks, strong electroma...