Results 91 to 100 of about 187,475 (328)

Multi‐Channel Quantum Dot Single‐Photon Sources on a Fiber‐Integrated Platform

open access: yesAdvanced Optical Materials, EarlyView.
A breakthrough in achieving a multiple, tunable array of quantum photonic devices is presented. By combining an optimal nanophotonic cavity, individual device transfer process, and integrated electrodes on a V‐groove fiber, the all‐fiber integrated system exhibits capabilities of low‐temperature cooling, efficient single‐photon transmission, selective ...
Woong Bae Jeon   +5 more
wiley   +1 more source

Completing the Connection: Achieving Universal Service Through Municipal Wi-Fi [PDF]

open access: yes, 2006
The federal universal service scheme is designed to ensure that everyone has affordable access to advanced telecommunications and information services. Despite the development of cost-effective technologies that drastically reduce the cost of telephone ...
Oh, K. Joon
core   +1 more source

Illuminating Quantum Phenomena in 2D Materials: The Power of Optical Spectroscopy

open access: yesAdvanced Optical Materials, EarlyView.
Atomically thin 2D materials host quantum tunnelling, plasmonic and excitonic phenomena driven by reduced dimensionality and strong many‐body interactions. This review links these effects to state‐of‐the‐art optical probes—NSOM, pump–probe, CARS, TRR, and optical frequency comb spectroscopy—highlighting how their ultrahigh spatial–temporal resolution ...
Yuhui Zhou   +4 more
wiley   +1 more source

Smart Theremin Based on Electromagnetic Metasurfaces for Fine Dual‐Hand Perception

open access: yesAdvanced Optical Materials, EarlyView.
The proposed Meta‐Theremin leverages a frequency‐spatial multiplexing metasurface to enable robust dual‐hand perception by shielding environmental noise and confining EM fields to interaction zones. Its physics‐informed neural network decouples hand‐specific echoes, enhancing accuracy.
Che Liu   +8 more
wiley   +1 more source

Quality of service performances of video and voice transmission in universal mobile telecommunications system network based on OPNET

open access: gold, 2021
Sameer A. S. Lafta   +4 more
openalex   +2 more sources

Cloaking and Antennas: From Theoretical Paradigms to Next‐Generation Intelligent Systems

open access: yesAdvanced Optical Materials, EarlyView.
The inception of electromagnetic cloaking sparked an immediate question: Can antennas be made invisible? Two decades later, this review charts the intertwined progress of major cloaking strategies (from transformation optics to scattering cancellation), metasurface technology, and their application to antennas, revealing how AI‐enabled devices are ...
Helen Guo, Xun Li
wiley   +1 more source

A novel feature-oriented quality of anything (QoX) framework for end-to-end robotic services in 6G networks

open access: yesScientific Reports
The sixth-generation (6G) technology is expected to revolutionize mobile communication, fostering the emergence of novel services driven by societal needs. This work explores the potential of 6G in facilitating seamless robotic service delivery.
Varvara Mineeva   +6 more
doaj   +1 more source

German telecommunications satellite (Deutscher fernmelde satellit) (DFS-1 and -2) [PDF]

open access: yes
The German Telecommunications Satellite (DFS) Program is to provide telecommunications service for high data rate transmission of text and video data to the Federal Republic of Germany within the 11-14 GHz and 20-30 GHz bands.
Hiendlmeier, G., Schmeller, H.
core   +1 more source

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