Results 71 to 80 of about 4,524,836 (233)

Advances in Josephson Junction Materials and Processes Toward Practical Quantum Computing

Advanced Science, EarlyView.
Emerging materials for quantum computing, including crystalline materials, two‐dimensional van der Waals materials, two‐dimensional electron gas systems, ferromagnets, and unconventional (e.g., d‐wave) superconductors, offer opportunities to engineer next‐generation Josephson junctions.
Hyunseong Kim, Gyunghyun Jang, Seungwon Jin, Jaewon An, Dongbin Shin, Hyeon‐Jin Shin, Jie Luo, Akel Hashim, Irfan Siddiqi, Yosep Kim, Long B. Nguyen, Hoon Hahn Yoon   +11 more
wiley   +1 more source

Efficient and reliable low-power backscatter networks [PDF]

, 2012
There is a long-standing vision of embedding backscatter nodes like RFIDs into everyday objects to build ultra-low power ubiquitous networks. A major problem that has challenged this vision is that backscatter communication is neither reliable nor ...
Piotr Indyk, Haitham Hassanieh, Wang, Jue, Katabi, Dina, Indyk, Piotr, Hassanieh, Haitham, Dina Katabi, Jue Wang   +7 more
core   +1 more source

Age of Information in Backscatter Communication

, 2021
Age of Information (AoI) has been introduced to characterize the newness of data which is observed in real time. In other words, it is the measure of time elapsed since the generation of last received update about a process and is a vital metric in ...
Abbas, Q., Zeb, S., Hassan, S. A.
core   +1 more source

Strain‐Tunable Photoluminescence From Ge Quantum Dots on Si Nanotips for CMOS‐Compatible Photonics

Advanced Physics Research, EarlyView.
This work studies strain in Ge quantum dots grown on Si nanotips using photoluminescence, X‐ray diffraction, and band structure calculations. It shows how emission changes with dot size, evaluates strain in the dot and substrate, and explains the role of direct and indirect transitions in the optical behavior.
Diana Ryzhak, Johannes Aberl, Enrique Prado‐Navarrete, Lada Vukušić, Oliver Skibitzki, Petr Klenovský, Marvin Hartwig Zoellner, Markus Andreas Schubert, Moritz Brehm, Davide Spirito, Giovanni Capellini   +10 more
wiley   +1 more source

A Frequency Selecting Method for High-Frequency Communication Based on Ionospheric Oblique Backscatter Sounding

Remote Sensing
Ionospheric oblique backscatter sounding is an effective means of monitoring the ionosphere which can be used as a frequency selection system to serve HF communication and ensure its quality and stability. But how to obtain effective information from the
Chuqi Cai, Guobin Yang, Tongxin Liu, Chunhua Jiang   +3 more
doaj   +1 more source

Backscatter Communication with Selective FSK Modulation

2024 IEEE 25th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC)
Backscatter communication (BackCom) is known as a low-power wireless communication technology that utilizes radio frequency signal reflections instead of actively generating them. This paper introduces a novel selective Frequency Shift Keying (SFSK) modulation scheme for BackCom, aiming to simplify tag design while ensuring equivalent decoding ...
Amus Chee Yuen Goay, Deepak Mishra 0001, Michail Matthaiou, Aruna Seneviratne   +3 more
openaire   +2 more sources

Body‐integrated photonic biosensors: Illuminating the path to active healthcare

FlexMat, EarlyView.
Body‐integrated photonic biosensors are promising tools for active healthcare. These optical devices can be worn, implanted, or swallowed to monitor health signals continuously. This review introduces key sensing modalities, including fluorescence, colorimetry, SPR, LSPR, SERS, and light‐modulating materials.
Jiayue Gu, Xingming Wen, Qihang Yan, Yining Zhao, Linghao Yuan, Siyuan Chen, Yue Ma, Zhengyue Fang, Dong Lei, Yuxin Liu, Ze Xiong   +10 more
wiley   +1 more source

Towards Long-Range Backscatter Communication with Tunnel Diode Reflection Amplifiers

, 2018
Backscatter communication enables wireless communication at a power consumption orders of magnitude lower than conventional wireless communication. Instead of generating new RF-signals backscatter communication leverages ambient signals, such as WiFi ...
Eriksson, Gustav
core   +2 more sources

Spectrum shaping for backscatter modulation

ICT Express, 2017
In this letter, we demonstrate a technique for spectrum-shaping in backscatter modulation-based communication systems. With backscatter modulation, data bits are transmitted by switching the load impedance connected to the antenna.
Santosh Nagaraj
doaj   +1 more source

Conformal fiber bioelectronics: Bridging flexible electronics and precision medicine

FlexMat, EarlyView.
Conformal fiber bioelectronics for sensing, biomedical applications, and clinical devices toward precision medicine. Abstract Fiber‐based bioelectronic devices have emerged as a compelling platform for wearable and implantable health technologies, owing to their one‐dimensional topology, mechanical compliance, textile integrability, and compatibility ...
Yue Zhao, Yuhang Dong, Kehang Li, Lei Xie, Yingying Wei, Ziyi Xu, Xiao Zhao, Gang Song, Hong Liu, Enzhi Jia, Vyacheslav Ryabov, Maria Kercheva, Irina Kologrivova, Ying Jiang, Ting Li, Ting Wang   +15 more
wiley   +1 more source