Electro-optic Modulation in Polycrystalline Barium Titanate Metasurfaces Enhanced by Poling [0.03%]
通过极化增强多晶钛酸钡超表面的电光调制
Eleni Prountzou,Helena C Weigand,Virginia Falcone et al.
Eleni Prountzou et al.
Electrically tunable metasurfaces leveraging the strong Pockels effect in barium titanate (BaTiO3 or BTO) are a promising platform for reconfigurable free-space optical devices. However, the high cost, limited scalability, and restricted su...
Holographic Projection Display Enlargement via Polarization-Grating Beam Steering with Fast-Response Liquid Crystal Pi-Cells [0.03%]
基于快速响应液晶Pi单元的偏振光栅光学扫描的全息投影显示放大技术研究
Qihao Han,Tianxin Wang,Guanxiong Zhang et al.
Qihao Han et al.
This paper presents a holographic display architecture that integrates polarization gratings with fast-response nematic liquid crystal (LC) pi-cells to achieve fast switching and the simultaneous visual perception of multiple high-quality d...
Three-Dimensional Magneto-Optical Trap Beam Delivery with Scalable Wafer-Level Optics [0.03%]
采用可扩展晶圆级光学元件的三维磁光阱激光传输系统
Zi Wang,Phillip S Cloud,Minsuk Lee et al.
Zi Wang et al.
Magneto-optical traps (MOTs) are essential for preparing and capturing cold atoms in precision atomic applications. Conventional free-space beam delivery systems are bulky, expensive, and difficult to align. Current photonic integrated circ...
Lightweight Head-Mounted Optical Coherence Tomography Scope for Longitudinal, Intact-Skull Imaging of Ischemic Stroke in Freely Behaving Mouse [0.03%]
一种轻便的头戴式光学相干层析显微镜，用于自由活动小鼠缺血性脑卒中的长期颅内成像研究
Jingyi Wang,Hayden Malone,Shuang Wei et al.
Jingyi Wang et al.
Understanding the dynamic progression of an ischemic stroke under physiologically relevant conditions is essential for advancing therapeutic strategies. Here, we present a miniaturized, lightweight (1.5 g), head-mounted Doppler optical cohe...
Suspended Germanium-on-Silicon Photonic Integrated Circuits Operating in the Long-Wave Infrared and Their Use for Ethanol Sensing [0.03%]
用于检测乙醇的长波红外工作的悬浮 germanium-on-silicon 光子集成电路及其应用
Pen-Sheng Lin,Per-Erik Hellström,Charalampos Zervos et al.
Pen-Sheng Lin et al.
Germanium-based integrated photonics is gaining attention due to its potential for mid-infrared wavelength applications, including environmental sensing, industrial gas monitoring, defense, and security. However, current germanium-on-silico...
Avija Ajayakumar,Jeong Hui Kim,Nemanja Ninkovic et al.
Avija Ajayakumar et al.
High-performance microphotodetectors require materials that combine strong light-matter interaction, fast charge transport, and ambient stability. Here, we demonstrate single-nanowire devices based on the 2D perovskite (TPA3)2PbBr4, synthes...
Stimulated Cooling of a Frenkel Exciton-Polariton Bose-Einstein Condensate at Room Temperature [0.03%]
室温下弗伦凯尔激子极化子玻色-爱因斯坦凝聚的受激冷却
Thomas M Khazanov,Cora A Noble,Andrew J Musser
Thomas M Khazanov
Exciton-polaritons have been widely studied for their ability to form a lasing state at sufficiently high excitation density. These states are typically described in terms of Bose-Einstein condensation, but in driven-dissipative systems, th...
Sangyeon Cho,Wenhao Shao,Jeong Hui Kim et al.
Sangyeon Cho et al.
Quasi-2D tin iodide perovskites (TIPs) are promising lead-free alternatives for optoelectronic applications, but achieving stable lasing remains challenging due to their limited environmental stability. Here, we report air-stable, room-temp...
Glass Interposer Assisted Edge Coupling to SiN Photonic Integrated Circuits [0.03%]
基于玻璃介层的边缘耦合硅基氮化硅光电子集成电路
Ipsita Chakraborty,Elliot Sandell,Thalía Domínguez Bucio et al.
Ipsita Chakraborty et al.
Scaling the fiber-to-chip interface is a critical bottleneck for modern photonic interconnect solutions, which must support the growing density and bandwidth demands of high-performance photonic integrated circuit (PIC) applications. In thi...
Ultrafast Near-Field Dynamics in Silver Nanowires Driven by Few-Cycle Short-Wave Infrared Pulses [0.03%]
少周期短波红外脉冲驱动银纳米线中超快近场动力学研究
Nelia Zaiats,Lukas Wittenbecher,Ivan Sytcevich et al.
Nelia Zaiats et al.
Time-resolved imaging of plasmonic near fields is well-established at visible wavelengths but remains largely unexplored in the short-wavelength infrared (SWIR) range. Here, we use time-resolved photoemission electron microscopy (TR-PEEM) t...