Results 201 to 210 of about 71,451 (303)

Photonics-integrated terahertz transmission lines. [PDF]

Nat Commun
Lampert Y, Shams-Ansari A, Gaier A, Tomasino A, Cao X, Magalhaes L, Rajabali S, Lončar M, Benea-Chelmus IC.   +8 more
europepmc   +1 more source

Gallium Nitride Semiconductor Resonant Tunneling Transistor

Advanced Science, EarlyView.
Three‐terminal GaN semiconductor resonant tunneling transistors (RTTs), which comprise an double‐barrier AlN/GaN/AlN resonant tunneling diode integrated with a GaN high‐electron‐mobility transistor (HEMT) through epitaxial growth in series and parallel configuraions, respectively.
Fang Liu, JunShuai Xue, GuanLin Wu, JinYuan Yuan, JiaJia Yao, RenJie Liu, Zhuang Guo, ZeHui Li, HaoRan Hu, WenBo Sun, Cheng Zhao, ChenKai Zhang, XinYan Liu, Kai Zhang, JinCheng Zhang, Yue Hao   +15 more
wiley   +1 more source

A Broadband Millimeter-Wave Circularly Polarized Folded Reflectarray Antenna Based on Transmissive Linear-to-Circular Polarization Converter. [PDF]

Micromachines (Basel)
Cao Y, Wang Z, Wang Q, Du M, Zhang M.
europepmc   +1 more source

A Wireless, Battery‐Free Artificial Throat Patch with Deep Learning for Emotional Speech Recognition

Advanced Science, EarlyView.
In this work, Xu and co‐workers develop a wireless, battery‐free artificial throat patch system (ATPS) consisting of a carbon nanotube‐based thin‐film strain sensor and a miniaturized flexible printed circuit board, to enable real‐time sensing of throat signals.
Bingxin Xu, Guanming Lin, Xiaohui Hong, Chuting Liu, Xinyi Qu, Kangjian Jiao, Lei Zhang, Bingzhe Xu, Jun Yan, Yancong Qiao, Xudong Lin   +10 more
wiley   +1 more source

Reconfigurable on-chip optical wireless switches on SiN-TFLN hybrid platform. [PDF]

Sci Rep
Khalid M, Simone M, Ferraresi S, Bellanca G, Petruzzelli V, Calò G.   +5 more
europepmc   +1 more source

Perspective: Hollow Core Optical Fibres for Ultraviolet and Visible Wavelengths

Advanced Science, EarlyView.
Hollow core optical fibres bypass material constraints that limit optical fibres at ultraviolet and visible wavelengths. However, their challenging fabrication has limited their development, and significant gains in performance remain possible. In this perspective we outline approaches to enable the next generation of fibres for shorter wavelengths ...
Robbie Mears, Kerrianne Harrington, Jonathan C. Knight, William J. Wadsworth, James M. Stone, Tim A. Birks   +5 more
wiley   +1 more source

Compact octagonal MIMO antenna system for broadband applications with enhanced isolation and wideband performance. [PDF]

Sci Rep
Dhananjeyan R, Ramesh S, Kumar DR, Kumar OP.   +3 more
europepmc   +1 more source

An Optically Transparent Water‐Based Metamaterial Absorber for Ultra‐Broadband EMI Shielding in Coal Mines

Advanced Science, EarlyView.
This study introduces a novel metamaterial absorber integrating water as a lossy medium with patterned indium tin oxide (ITO) films to achieve simultaneous optical transparency and ultra‐wideband electromagnetic absorption over 0.52‐40 GHz. It effectively overcomes the limitations of conventional opaque and bulky shielding materials, offering a ...
Xiaojun Huang, Lina Gao, Yidan Xu, Yifei Wang, Wei Hou, Yu Luo   +5 more
wiley   +1 more source

Broadband circularly polarized dielectric rod antenna excited by a cavity backed spiral. [PDF]

Sci Rep
Fakhte S, Ashouri MH.
europepmc   +1 more source

Room‐Temperature Alane Dehydrogenation for Visible‐Light‐Driven Photocatalytic Hydrogen Supply System

Advanced Science, EarlyView.
In situ formed Al/MOF enables viable visible‐light‐driven photocatalytic dehydrogenation of alane (AlH3) confirming practical application. Results demonstrate that Al nanoparticles prolong lifetime of photogenerated charge carriers via localized surface plasmon resonance induced hot electron injection, while AlH3 chemisorption triggers interfacial ...
Ting‐Ting Li, Li‐Cheng Liang, Rui‐Qi Chen, Chun‐Qi Zhang, Sheng‐Nan Zhang, Wen‐Wen Cheng, Xi‐Hao Chen, Ning Wang, Juan‐Ding Xiao, Qing‐Qing Yang, Fei Liang, Chao‐Feng Zhang   +11 more
wiley   +1 more source