Emergent Optical Resonances in Atomically Phase-Patterned Semiconducting Monolayers of WS2 [0.03%]
原子级相位图案化二硫化钨半导体单层中的光学共振现象研究
John M Woods,Saroj B Chand,Enrique Mejia et al.
John M Woods et al.
Atomic-scale control of light-matter interactions represents the ultimate frontier for many applications in photonics and quantum technology. Two-dimensional semiconductors, including transition-metal dichalcogenides, are a promising platfo...
Javier Taboada-Gutiérrez,Yixi Zhou,Ana I F Tresguerres-Mata et al.
Javier Taboada-Gutiérrez et al.
Phonon polaritons (PhPs), light coupled to lattice vibrations, in the highly anisotropic polar layered material molybdenum trioxide (α-MoO3) are currently the focus of intense research efforts due to their extreme subwavelength field confi...
Alessandra Milloch,Umberto Filippi,Paolo Franceschini et al.
Alessandra Milloch et al.
Understanding the nature of the photoexcitation and ultrafast charge dynamics pathways in organic halide perovskite nanocubes and their aggregation into superlattices is key for potential applications as tunable light emitters, photon-harve...
Martin Hörmann,Franco V A Camargo,Niek F van Hulst et al.
Martin Hörmann et al.
Optical diffraction tomography (ODT) is a powerful noninvasive 3D imaging technique, but its combination with broadband light sources is difficult. In this study, we introduce ultrabroadband ODT, covering over 150 nm of visible spectral ban...
Second-Order Nonlinear Circular Dichroism in Square Lattice Array of Germanium Nanohelices [0.03%]
germanium纳米螺旋正方形晶格阵列的二阶非线性圆二色光谱
Grégoire Saerens,Günter Ellrott,Olesia Pashina et al.
Grégoire Saerens et al.
Second-harmonic generation (SHG) is prohibited in centrosymmetric crystals such as silicon or germanium due to the presence of inversion symmetry. However, the structuring of such materials makes it possible to break the inversion symmetry,...
Jacob B Khurgin,Nathaniel Kinsey
Jacob B Khurgin
We address challenges in characterizing changes in permittivity and refractive index beyond standard perturbative methods with special attention given to transparent conductive oxides (TCOs). We unveil a realistic limit to permittivity chan...
Subwavelength Grating Cascaded Microring Resonator Biochemical Sensors with Record-High Sensitivity [0.03%]
具有创纪录高灵敏度的亚波长光栅级联微环共振生物化学传感器
Weiqing Cheng,Shengwei Ye,Bocheng Yuan et al.
Weiqing Cheng et al.
Photonic integrated circuit biochemical and biomedical sensors show promising applications in medical diagnosis, food security, healthcare, and environmental monitoring. Silicon-on-insulator subwavelength grating waveguides and cascaded mic...
Miniaturized Head-Mount Doppler Optical Coherence Tomography Scope for Freely Moving Mouse [0.03%]
可应用于自由活动小鼠的微型头戴式频域光 coherence 椎体层析成像仪
Jingyi Wang,Qiao Ye,Lidek Chou et al.
Jingyi Wang et al.
This study presents a miniaturized head-mount optical coherence tomography (OCT) system tailored for high-resolution brain imaging in freely moving mice, providing an advanced noninvasive imaging tool in neuroscience research. Leveraging op...
Organic Room-Temperature Polariton Condensate in a Higher-Order Topological Lattice [0.03%]
高阶拓扑晶格中的室温极化子凝聚体
Christoph Bennenhei,Hangyong Shan,Marti Struve et al.
Christoph Bennenhei et al.
Organic molecule exciton-polaritons in photonic lattices are a versatile platform to emulate unconventional phases of matter at ambient temperatures, including protected interface modes in topological insulators. Here, we investigate bosoni...
Ultraviolet-B Resonant-Cavity Light-Emitting Diodes with Tunnel Junctions and Dielectric Mirrors [0.03%]
具有隧道结和介电镜的UVB共振腔发光二极管
Estrella Torres,Joachim Ciers,Michael A Bergmann et al.
Estrella Torres et al.
We demonstrate the first electrically injected AlGaN-based ultraviolet-B resonant-cavity light-emitting diode (RCLED). The devices feature dielectric SiO2/HfO2 distributed Bragg reflectors enabled by tunnel junctions (TJs) for lateral curre...