Realization of a Pre-Sample Photonic-Based Free-Electron Modulator in Ultrafast Transmission Electron Microscopes [0.03%]
基于光子的自由电子调制器在超快透射电子显微镜中的实现研究
Beatrice Matilde Ferrari,Cameron James Richard Duncan,Michael Yannai et al.
Beatrice Matilde Ferrari et al.
Spatial and temporal light modulation is a well-established technology that enables dynamic shaping of the phase and amplitude of optical fields, significantly enhancing the resolution and sensitivity of imaging methods. Translating this ca...
Two-Photon Sub-Bandgap Photocurrent in Surface-Nanotextured Black Diamond Films for Solar Energy Conversion [0.03%]
表面纳米纹理黑钻石薄膜的两光子亚带隙光电流在太阳能转换中的作用
M Girolami,A Bellucci,M Mastellone et al.
M Girolami et al.
Two-photon sub-bandgap photocurrent (TPPC) is demonstrated in surface-nanotextured black diamond films fabricated by a two-step femtosecond laser treatment at an optimal total accumulated laser fluence of 5.0 kJ cm-2, unequally split betwee...
Freek van Gorp,Wenfeng Liu,Corentin Coulais et al.
Freek van Gorp et al.
Tunable metasurfaces enable active and on-demand control over optical wavefronts through the reconfigurable scattering of resonant nanostructures. Here, we combine novel insights inspired by mechanical metamaterials with the unique sensitiv...
Waveguide Integrated Self-Powered MoS2 Photodetectors in the Shortwave Infrared Wavelengths [0.03%]
集成波导的自供电短波红外莫斯二维探测器
Eitan Kaminski,Nathan Suleymanov,Boris Minkovich et al.
Eitan Kaminski et al.
Broadband photodetectors (PDs) are essential for various applications, including optical communication, sensing, and imaging. Modern semiconductor PD technologies often face challenges related to spectral coverage, power consumption, comple...
Toward Single-Photon Detection with Superconducting Niobium Diselenide Nanowires [0.03%]
基于超导铌二硒化物纳米线的单光子探测器的研究
Pietro Metuh,Athanasios Paralikis,Paweł Wyborski et al.
Pietro Metuh et al.
We present superconducting nanowire photodetectors based on hBN-encapsulated, few-layer NbSe2, showing signatures of single-photon sensitivity. The top-down fabrication process preserves the superconducting properties of NbSe2, as confirmed...
Squaraine Nanodunes: Structure-Correlated Optical and Vibrational Anisotropy and Morphology-Enhanced Local Field Considerations [0.03%]
方形碱纳米沙丘：结构相关的光学和振动各向异性及形态增强的局部场考虑因素
Frank Balzer,Manuela Schiek
Frank Balzer
Squaraine thin films are emerging as functional optoelectronic elements because of their anisotropic optical properties in the visible to near-infrared spectral range, which include characteristic properties such as large Davydov splitting,...
Three-Dimensional Planar Alignment of Nematic Liquid Crystal by Direct Laser Writing of Nanogratings [0.03%]
利用纳米光栅的直写激光实现近晶液晶的三维平面排列
Uroš Jagodič,Jaka Pišljar,Andreja Jelen et al.
Uroš Jagodič et al.
We demonstrate a new method of aligning liquid crystals along polymer surfaces that are printed vertical to the focal plane using direct laser writing. The method is based on nanogrooves that are imprinted into surfaces of polymer structure...
Self-Referencing Photothermal Common-Path Interferometry to Measure Absorption of Si3N4 Membranes for Laser-Light Sails [0.03%]
自参考光热同光路干涉测量硅 nitride 膜吸收率以供激光太阳帆使用
Tanuj Kumar,Demeng Feng,Shenwei Yin et al.
Tanuj Kumar et al.
Laser-light sails are a spacecraft concept, wherein lightweight "sails" are propelled by high-intensity lasers. We investigated the near-infrared absorption of free-standing membranes of stoichiometric silicon nitride (Si3N4), a candidate s...
Probing Optical Magnetic Dipole Transitions in Eu3+ Using Structured Light and Nanoscale Sample Engineering [0.03%]
利用结构光和纳米级样品工程探测Eu3+的光学磁偶极跃迁
Elizaveta Gangrskaia,Thomas Schachinger,Christoph Eisenmenger-Sittner et al.
Elizaveta Gangrskaia et al.
At optical frequencies, interactions of the electric field component of light with matter dominate, whereas magnetic dipole transitions are inherently weak and challenging to access independently of electric dipole transitions. However, mag...
Robust Circularly Polarized Luminescence via Quasi-Bound States in the Continuum in Intrinsic Chiral Silicon Metasurfaces [0.03%]
通过连续体中的准束缚态实现手性硅元面上的鲁棒圆偏振发光
Xiao-Ke Zhu,Yu-Chen Wei,Jose L Pura et al.
Xiao-Ke Zhu et al.
We demonstrate circularly polarized photoluminescence emission, with dissymmetry factors g PL over 0.1, from achiral organic dye molecules by leveraging quasi-bound states in the continuum (quasi-BICs) and surface lattice resonances (SLRs) ...