Results 261 to 270 of about 3,699,940 (365)

Blockchain-inspired distributed security framework for Internet of Things. [PDF]

Sci Rep
Aljumah A.
europepmc   +1 more source

Numerical Study on the Potential Enhancement of Organic Terahertz Sources through Tilted Pulse Front Pumping

Advanced Photonics Research, EarlyView.
In this article, two individually successful concepts, the tilted pulse‐front pumping technique and organic terahertz crystals for highly efficient THz generation are combined in the framework of numeric calculations resulting in increased conversion efficiency, increased damage threshold, and extended lifespan for ≈2 μm pumping.
Gyula Polónyi, Zoltán Tibai, György Tóth, Gergő Krizsán, János Hebling   +4 more
wiley   +1 more source

An optimal peer selection for peer-to-peer video content distribution using fuzzy linear programming approach. [PDF]

PeerJ Comput Sci
Anandaraj M, S N.
europepmc   +1 more source

In vivo Terahertz Sensing of Skin Cancer Patients

Advanced Photonics Research, EarlyView.
This study presents the first in vivo measurements of skin cancer patients in a hospital setting using a handheld THz probe. Furthermore, a new analysis approach is developed to generate a patient‐normalized THz response function, which enables clear contrast to be seen between cancer and healthy skin of the same patient.The first in vivo study of skin
Jacob J. Young, Benjamin G. Page, Arturo I. Hernandez‐Serrano, Joseph Hardwicke, Emma Pickwell‐MacPherson   +4 more
wiley   +1 more source

CMOS Low-Power Optical Transceiver for Short Reach. [PDF]

Micromachines (Basel)
Yang R, Dang Y, Chen J, Li D, Svelto F.
europepmc   +1 more source

Design of Waveguide NbN‐Based Superconductor–Insulator–Superconductor Mixer for 650 GHz

Advanced Photonics Research, EarlyView.
This research work focuses on a waveguide NbN‐based superconductor–insulator–superconductor mixer operating at 650 GHz. The signal coupling circuit is designed using a waveguide‐microstrip coupling structure, and the return loss obtained is lower than −16 dB. For the mixing circuit, its return loss is less than −7.5 dB, and the return loss reduces with
Lianhao He, Fangting Lin, Xiaoyong He
wiley   +1 more source

A secure and trustworthy blockchain-assisted edge computing architecture for industrial internet of things. [PDF]

Sci Rep
Asaithambi S, Nallusamy S, Yang J, Prajapat S, Kumar G, Rathore PS.   +5 more
europepmc   +1 more source

Digitized Phase‐Change Material Heterostack for Transmissive Diffractive Optical Neural Network

Advanced Photonics Research, EarlyView.
A phase‐change‐material‐based digitized heterostack is experimentally demonstrated and theoretically analyzed for future energy‐efficient, fast reconfigured, and compact transmissive diffractive optical neural networks. All‐optical and fully reconfigurable transmissive diffractive optical neural network (DONN) architectures emerge as high‐throughput ...
Ruiyang Chen, Jichao Fan, Cunxi Yu, Weilu Gao   +3 more
wiley   +1 more source

Ultra-broadband optical amplification using nonlinear integrated waveguides. [PDF]

Nature
Zhao P, Shekhawat V, Girardi M, He Z, Torres-Company V, Andrekson PA.   +5 more
europepmc   +1 more source

Research Progress on Atmospheric Turbulence Perception and Correction Based on Adaptive Optics and Deep Learning

Advanced Photonics Research, EarlyView.
This work presents a systematic review of atmospheric turbulence fundamentals, including theoretical formulations and adaptive optics‐based mitigation strategies. This includes an in‐depth examination of the devices, theories, and methodologies associated with traditional correction approaches.
Qinghui Liu, Yihang Di, Mengmeng Zhang, Zhenbo Ren, Jianglei Di, Jianlin Zhao   +5 more
wiley   +1 more source