Ershad Mohammadi,Giulia Tagliabue
Ershad Mohammadi
Circular dichroism (CD) can distinguish the handedness of the chiral molecules. However, it is typically very weak due to vanishing absorption at low molecular concentrations. Here, we suggest thermal CD (TCD) for chiral detection, leveragi...
High-Sensitivity Detection of Chiro-Optical Effects in Single Nanoparticles by Four-Wave Mixing Interferometry [0.03%]
利用四波混频干涉法检测单纳米颗粒的圆偏振光学效应
Paola Borri,Lukas Payne,Francesco Masia et al.
Paola Borri et al.
The field of chiral nanoparticles is rapidly expanding, yet measuring the chirality of single nano-objects remains a challenging endeavor. Here, we report a technique to detect chiro-optical effects in single plasmonic nanoparticles by mean...
Short-Wave Infrared Optoelectronics with Colloidal CdHgSe/ZnCdS Core/Shell Nanoplatelets [0.03%]
具备短波红外光电子特性的胶体CdHgSe / ZnCdS核心/壳纳米片层
Hossein Roshan,Anatol Prudnikau,Jinfei Dai et al.
Hossein Roshan et al.
Colloidal semiconductor nanocrystals (NCs) are an efficient and cost-effective class of nanomaterials for optoelectronic applications. Advancements in NC-based optoelectronic devices have resulted from progress in synthetic chemistry, adjus...
Visible-Telecom Entangled-Photon Pair Generation with Integrated Photonics: Guidelines and a Materials Comparison [0.03%]
可见光电信号纠缠光子对生成的集成光子技术指南及材料比较
Liao Duan,Trevor J Steiner,Paolo Pintus et al.
Liao Duan et al.
Correlated photon-pair sources are key components for quantum computing, networking, synchronization, and sensing applications. Integrated photonics has enabled chip-scale sources using nonlinear processes, producing high-rate time-energy a...
Label-Free Metabolic Imaging In Vivo by Two-Photon Fluorescence Lifetime Endomicroscopy [0.03%]
基于双光子荧光寿命内镜的无标记代谢成像
Wenxuan Liang,Defu Chen,Honghua Guan et al.
Wenxuan Liang et al.
NADH intensity and fluorescence lifetime characteristics have proved valuable intrinsic biomarkers for profiling the cellular metabolic status of living biological tissues. To fully leverage the potential of NADH fluorescence lifetime imagi...
Ultrafast Permittivity Engineering Enables Broadband Enhancement and Spatial Emission Control of Harmonic Generation in ZnO [0.03%]
超快介电常数工程使ZnO二次谐波产生在宽带增强和空间发射控制方面得到实现
Zhonghui Nie,Kevin Murzyn,Leo Guery et al.
Zhonghui Nie et al.
Moderate efficiencies of nonlinear optical processes can be one of the challenges limiting even more widespread applications. Here we demonstrate a broadband and giant enhancement of nonlinear processes in ZnO through ultrafast permittivity...
Coexistence of the Radial-Guided Mode and WGM in Azimuthal-Grating-Integrated Microring Lasers [0.03%]
集成方位光栅的微环激光器中的径向模式和WGM共存现象
Jinghan Chen,Abdul Nasir,Adrian Abazi et al.
Jinghan Chen et al.
Whispering-gallery mode (WGM) resonators, renowned for their high Q-factors and narrow line widths, are widely utilized in integrated photonics. Integrating diffraction gratings onto WGM cavities has gained significant attention because the...
Spatiotemporal Symmetries and Energy-Momentum Conservation in Uniform Spacetime Metamaterials [0.03%]
均匀时空超材料中的时空对称性和能量动量守恒
Iñigo Liberal,Antonio Ganfornina-Andrades,J Enrique Vázquez-Lozano
Iñigo Liberal
Spacetime metamaterials are opening new regimes of light-matter interactions based on the breaking of temporal and spatial symmetries, as well as intriguing concepts associated with synthetic motion. In this work, we investigate the continu...
Mapping and Optically Writing Nanogap Inhomogeneities in 1-D Extended Plasmonic Nanowire-on-Mirror Cavities [0.03%]
一维等离激元纳米线腔映射及光学书写纳米间隙不均匀性研究
Chetna Taneja,Eoin Elliott,G V Pavan Kumar et al.
Chetna Taneja et al.
Tightly confined plasmons in metal nanogaps are highly sensitive to surface inhomogeneities and defects due to the nanoscale optical confinement, but tracking and monitoring their location is hard. Here, we probe a 1-D extended nanocavity u...
Nanometer Interlaced Displacement Metrology Using Diffractive Pancharatnam-Berry and Detour Phase Metasurfaces [0.03%]
基于旋量和偏折相位超表面的纳米级交叠位移测量技术
Nick Feldman,Kian M M Goeloe,Arie J den Boef et al.
Nick Feldman et al.
Resolving structural misalignments on the nanoscale is of utmost importance in areas such as semiconductor device manufacturing. Metaphotonics provides a powerful toolbox to efficiently transduce information on the nanoscale into measurable...