Results 51 to 60 of about 18,715,274 (294)

Self‐Powered, Ultra‐Sensitive InGaAs/ITO Nanowire Radial Junction Infrared Photodiode for Low Flux Imaging at Room Temperature

Advanced Functional Materials, EarlyView.
This study reports a self‐powered InGaAs nanowire photodetector achieving single‐photon‐level sensitivity in the shortwave infrared at non‐cryogenic temperatures. The device demonstrates high‐speed imaging capabilities even under extremely low‐flux conditions.
Kosala Dhanawansha, Chaohao Chen, Zhe Li, Tuomas Haggren, Dawei Liu, Yang Yu, Baolei Liu, Sanjay Krishna, Hark H. Tan, Chennupati Jagadish, Lan Fu   +10 more
wiley   +1 more source

A Study on an Object oriented Modeling for the Satelite Control System Development reusing Structured Analysis and Design Approach [PDF]

Journal of Astronomy and Space Sciences, 1998
The object-oriented approach is a difficult method for engineers who are accustomed to other software development methods although it is an excellent software development approach.
Jaehoon Kim, Wonchan Jung, Sangbum Lee
doaj  

Scheduled Communications in Next Generation Mobile Networks

, 2018
5G, as the next phase of mobile communications standards, intends to offer connectivity with greater throughput, higher capacity, lower latency and higher mobility range.
Miloud Bagaa, Tarik Taleb, Naas, Si-Ahmed, Si-Ahmed Naas, Taleb, Tarik, Bagaa, Miloud   +5 more
core   +1 more source

n‐Type Polymer Radio Frequency Rectifiers Operating at 18.5 GHz

Advanced Materials, EarlyView.
Combining an n‐doped polymer semiconductor with wafer‐scale asymmetric planar electrodes featuring work function‐engineered contacts yields radio‐frequency diodes and rectifying circuits operating at up to 18.5 GHz. The devices combine scalable manufacturing with an operating frequency previously unattainable by large‐area organic electronics ...
Lazaros Panagiotidis, Filip Aniés, Yiyang Yu, Mohammed Ghadiyali, Hendrik Faber, Zhanibek Bizak, Youssef Kabri, Pavlos Tzourmpakis, Suman Mandal, Linqu Luo, Temur Maksudov, Mohamad Insan Nugraha, Harold F. Mazo‐Mantilla, Patrice Vanelle, Julie Broggi, Khaled N. Salama, Udo Schwingenschlögl, Martin Heeney, Atif Shamim, Thomas D. Anthopoulos   +19 more
wiley   +1 more source

An RSSI-Based Low-Power Vehicle-Approach Detection Technique to Alert a Pedestrian

Sensors, 2019
Information about an approaching vehicle is helpful for pedestrians to avoid traffic accidents while most of the past studies related to collision avoidance systems have focused on alerting drivers and controlling vehicles.
Yoshito Watanabe, Yozo Shoji
doaj   +1 more source

Optical-SDMA for Broadband Aeronautical Communications" [PDF]

, 2003
Broadband communication for aircraft passengers is facing one of the most promising markets of near future. While currently systems introduced in L and Ku band are already limited in bandwidth considering service provisioning to several airline fleets ...
Giggenbach, Dirk, Holzbock, Matthias, Werner, Markus, Lücke, Oliver   +3 more
core  

3D‐Printed Corneal Substitutes: Materials, Fabrication, and Preclinical Progress

Advanced Materials Technologies, EarlyView.
Successful clinical translation of 3D‐printed corneal substitutes relies on the interplay between the bioink properties, cellular component, and the fabrication process. These factors influence the critical properties of the construct, including optical transparency, mechanical stability, suture retention, that ultimately govern long‐term stromal ...
Shadi Moshayedi, Ashley Vazquez, Alexander J. Choi, Dimitrios Karamichos, Jayoung Kim   +4 more
wiley   +1 more source

High-coherence parallelization in integrated photonics

Nature Communications
Coherent optics has profoundly impacted diverse applications ranging from communications, LiDAR to quantum computations. However, developing coherent systems in integrated photonics comes at great expense in hardware integration and energy efficiency ...
Xuguang Zhang, Zixuan Zhou, Yijun Guo, Minxue Zhuang, Warren Jin, Bitao Shen, Yujun Chen, Jiahui Huang, Zihan Tao, Ming Jin, Ruixuan Chen, Zhangfeng Ge, Zhou Fang, Ning Zhang, Yadong Liu, Pengfei Cai, Weiwei Hu, Haowen Shu, Dong Pan, John E. Bowers, Xingjun Wang, Lin Chang   +21 more
doaj   +1 more source

Performance Evaluation of Integrated Multi-Access Edge Computing and Fiber-Wireless Access Networks

IEEE Access, 2018
With the widespread use of smart mobile devices, the exponential growth of mobile Internet traffic and newly emerging services, such as Internet of Things, virtual reality/augmented reality, and serious games, the network performance requirements for ...
Jing Liu, Guochu Shou, Yaqiong Liu, Yihong Hu, Zhigang Guo   +4 more
doaj   +1 more source

Advanced Manufacturing of Composite‐Based Systems for Energy Applications

Advanced Materials Technologies, EarlyView.
Advanced manufacturing enables the integration of polymers, ceramics, metal oxides, and composites into architected microstructures with tailored transport pathways. By coupling material selection, manufacturing strategy, and structural design, multifunctional energy systems can simultaneously improve electrochemical performance, thermal management ...
Sri Vaishnavi Thummalapalli, Dhanush Patil, Libin Yang, M. Taylor Sobczak, Anshul Kulkarni, Xiao Sun, Arunachalam Ramanathan, Tiantian Li, Ramaraja P. Ramasamy, Jason J. Locklin, Yanyu Chen, Xianqiao Wang, Arunachala Mada Kannan, Kenan Song   +13 more
wiley   +1 more source