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UrduResearchers recently produced single-photon sources with operating wavelengths compatible with existing fiber communication networks using two-dimensional molybdenum ditelluride semiconductor layers on nano-size pillars.
Tag: TELECOMMUNICATIONS
‘Beam-Steering’ Technology Takes Mobile Communications Beyond 5G
Birmingham scientists have revealed a new beam-steering antenna that increases the efficiency of data transmission for ‘beyond 5G’ – and opens up a range of frequencies for mobile communications that are inaccessible to currently used technologies.
Body cameras, live streaming bring search and rescue into the next generation
New digital tools developed and tested at Simon Fraser University have the potential to revolutionize wilderness search and rescue efforts.
Three NYU Tandon teams win $2.5 million from an NSF partnership to ensure resiliency is part of next-G wireless telecommunications
A new NSF initiative has awarded three teams of researchers at the NYU Tandon School of Engineering a combined $2.5 million to study and develop solutions for security vulnerabilities in wireless network hardware and software.
Doctoral student bridges gap between electronics and optics
New chip can revolutionize the current data rate for processors using microwave photonics
Study: Wireless radiation exposure for children is set too high
Levels should be hundreds of times lower than current federal limits
An automated flight control system for drone swarms has been developed
“The project’s main objective is to integrate a certain degree of automation, so that an operator can control a small fleet of up to 10 drones from a single ground station,” says Luis E. Moreno, LABYRINTH’s coordinator and researcher at…
Primary care payment model, telemedicine use for Medicare Advantage during pandemic
What The Study Did: The association between primary care payment models and the use of telemedicine for Medicare Advantage enrollees during the COVID-19 pandemic was examined in this study. Authors: Brian W. Powers, M.D., M.B.A., of Humana Inc. in Louisville,…
Wearable sensors with wide-ranging strain sensitivity
Researchers draw inspiration from snake skin in sensor’s structural design
Introduction to 6G vision and technology
The book starts with a general vision of 6G technology, which includes the motivation that drives 6G research, the international organizations working on 6G standardization and recent progress in 6G research. It also provides details about the millimetre wave and…
Demonstration of World Record: 319 Tb/s Transmission over 3,001 km with 4-core fiber
>120 nm signal bandwidth comprising 552 WDM channels and using both-doped fiber and Raman amplification
Changes in care delivery during COVID-19
What The Study Did: Researchers characterized clinical content of ambulatory care among office-based compared with telemedicine visits in the United States before and during the COVID-19 pandemic. Authors: G. Caleb Alexander, M.D., M.S., of the Johns Hopkins Bloomberg School of…
Beyond 5G: Wireless communications may get a boost from ultra-short collimating metalens
Screens may be larger on smartphones now, but nearly every other component is designed to be thinner, flatter and tinier than ever before. The engineering requires a shift from shapely, and bulky lenses to the development of miniaturized, two-dimensional metalenses.…
Wildfire detection takes flight
Networks of ground-based sensors paired with airborne drones could give firefighters a critical edge when battling wildfires, KAUST researchers have found. The sensor/unmanned aerial vehicle (UAV) network could significantly shorten the time taken to detect a wildfire, giving firefighters a…
Scalable manufacturing of integrated optical frequency combs
Optical frequency combs consist of light frequencies made of equidistant laser lines. They have already revolutionized the fields of frequency metrology, timing and spectroscopy. The discovery of ”soliton microcombs” by Professor Tobias Kippenberg’s lab at EPFL in the past decade…
Inkjet Printing “Impossible Materials”
Engineers developed inexpensive methods to make “impossible materials” that interact in unusual ways with microwave energy. Thin film polymers inkjet printed with tiny component patterns collect or transmit energy with much greater selectivity, sensitivity, and power than conventional materials.
Apps ‘valuable tool’ for patients during pandemic
New research found technology has been particularly important during global pandemic
Combining classical and quantum computing opens door to new discoveries
Researchers have discovered a new and more efficient computing method for pairing the reliability of a classical computer with the strength of a quantum system. This new computing method opens the door to different algorithms and experiments that bring quantum…
Researchers work to increase speed, reliability of wireless communications
The development of millimeter wave communication technologies could improve the speed, latency and reliability of wireless communications significantly, according to Penn State researchers. Jing Yang, assistant professor of electrical engineering, received a four-year, $800,000 National Science Foundation grant to develop…
Novel fast-beam-switching transceiver takes 5G to the next level
Scientists at Tokyo Institute of Technology (Tokyo Tech) and NEC Corporation jointly develop a 28-GHz phased-array transceiver that supports efficient and reliable 5G communications. The proposed transceiver outperforms previous designs in various regards by adapting fast beam switching and leakage…
Patient characteristics, subsequent health care use of SARS-CoV-2 testing initiation in safety-net health system
What The Study Did: Researchers found differences in sociodemographic and clinical characteristics by entry location for SARS- CoV-2 testing within a safety-net health system. White and English-speaking individuals disproportionately initiated testing via telehealth visits, while Black, Native American and non-English-speaking…
Toshiba announces breakthrough in long distance quantum communication
Cambridge, UK, 7th June 2021: The Cambridge Research Laboratory of Toshiba Europe today announced the first demonstration of quantum communications over optical fibres exceeding 600 km in length. The breakthrough will enable long distance quantum-secured information transfer between metropolitan areas…
Quantum holds the key to secure conference calls
The world is one step closer to ultimately secure conference calls, thanks to a collaboration between Quantum Communications Hub researchers and their German colleagues, enabling a quantum-secure conversation to take place between four parties simultaneously. The demonstration, led by Hub…
World’s smallest, best acoustic amplifier emerges from 50-year-old hypothesis
Acousto-electric devices reveal new road to miniaturizing wireless tech
Using the fungal electrical activity for computing
A UOC scientific publication analyses and proposes techniques for correctly interpreting the fungal electrical internal activity
Pacific Northwest National Laboratory’s shadow figment technology foils cyberattacks
Make-believe shadow world is designed to sidetrack hackers, buying time for the good guys
Entangled quantum memories for a quantum repeater: A step closer to the Quantum Internet
* ICFO researchers report in Nature on having achieved, for the first time, entanglement of two multimode quantum memories located in different labs separated by 10 meters, and heralded by a photon at the telecommunication wavelength. * The scientists implemented…
Lean and mean: Maximizing 5G communications with an energy-efficient relay network
Scientists at Tokyo Institute of Technology (Tokyo Tech) have developed a wirelessly powered relay network for 5G systems. The proposed battery-free communication addresses the challenges of flexible deployment of relay networks. This design is both economical and energy-efficient. Such advances…
Wireless broadband connectivity enhanced by a new communication design
A study published in the IEEE Journal on Selected Areas in Communications, by Konstantinos Dovelos and Boris Bellalta, members of the Wireless Networking research group, with the participation of researchers from Queen’s University Belfast (UK)
Integrated cyber attack analysis platform “NIRVANA Kai” supports IPv6
Succeeded in real-time visualization of packets flowing in the vast address space of IPv6
Researchers create world’s most power-efficient high-speed ADC microchip
Analag-to-digital converters are a key component of nearly every piece of electronic equipment
Research of microring lasers shows prospects of optical applications in electronics
A paper by Kazan Federal University appeared in IET Microwaves, Antennas & Propagation
Silicon chips combine light and ultrasound for better signal processing
The continued growth of wireless and cellular data traffic relies heavily on light waves. Microwave photonics is the field of technology that is dedicated to the distribution and processing of electrical information signals using optical means. Compared with traditional solutions…
Community factors associated with telemedicine use during COVID-19 pandemic
What The Study Did: T elemedicine use grew rapidly during the COVID-19 pandemic but there was geographic variation in its use so researchers in this study examined the association of county-level telemedicine use with community factors among people with commercial…
Is night shift really helping you sleep better?
New study finds that mobile night shift functions don’t actually improve sleep
Researchers’ VR walking simulator feels surprisingly close to the real thing
Despite virtual reality (VR) technology being more affordable than ever, developers have yet to achieve a sense of full immersion in a digital world. Among the greatest challenges is making the user feel as if they are walking. Now, researchers…
Smart sensors to provide real time data for optimized operation of district heating grid
Researchers from the universities in Aarhus and Aalborg are working closely with leading companies to develop intelligent, battery-less sensors that communicate wirelessly to an autonomous cloud-based monitoring system
Boosting fiber optics communications with advanced quantum-enhanced receiver
Technology could avert capacity crunch by enhancing bandwidth while reducing energy consumption
New tech builds ultralow-loss integrated photonic circuits
Encoding information into light, and transmitting it through optical fibers lies at the core of optical communications. With an incredibly low loss of 0.2 dB/km, optical fibers made from silica have laid the foundations of today’s global telecommunication networks and…
Dutch researchers establish the first entanglement-based quantum network
A team of researchers from QuTech in the Netherlands reports realization of the first multi-node quantum network, connecting three quantum processors. In addition, they achieved a proof-of-principle demonstration of key quantum network protocols. Their findings mark an important milestone towards…
City, University of London consortium wins highly competitive ESA funding
Funded by the European Space Agency (ESA), City, University of London will be spearheading the development of next-generation AI-based guidance, navigation and control (GNC) systems for space exploration. A research consortium led by City’s Professor of Robotics and Autonomous Systems,…
A new, positive approach could be the key to next-generation, transparent electronics
Filling a crucial gap in the materials spectrum
Dermatologist perceptions of teledermatology implementation, future use after COVID-19
What The Study Did: This study sought to assess dermatologists’ perceptions of and experiences with teledermatology in the context of the COVID-19 pandemic and new regulatory changes including parity in reimbursements between video and in-person visits. Authors: Jules B. Lipoff,…
Sussex scientists develop ultra-thin terahertz source
Physicists from the University of Sussex have developed an extremely thin, large-area semiconductor surface source of terahertz, composed of just a few atomic layers and compatible with existing electronic platforms. Terahertz sources emit brief light pulses oscillating at ‘trillion of…
Use of telehealth by surgical specialties during COVID-19 pandemic
What The Study Did: Insurance claims were used to assess patterns of telehealth use across surgical specialties before and during the COVID-19 pandemic. Authors: Grace F.Chao, M.D., M.Sc., of the National Clinician Scholars Program at the University of Michigan and…
Japan-Germany international joint experiment on space optical communication
NICT’s optical ground station successfully received downlink light from DLR’s small satellite-mounted optical terminal (OSIRISv1)
The case of the cloudy filters: Solving the mystery of the degrading sunlight detectors
More than 150 years ago, the Sun blasted Earth with a massive cloud of hot charged particles. This plasma blob generated a magnetic storm on Earth that caused sparks to leap out of telegraph equipment and even started a few…
Tired of video conferencing? Research suggests you’re right to question its effectiveness
A new study suggests that non-visual communication methods that better synchronize and boost audio cues are in fact more effective
School-based telehealth connects underserved kids to quality and sustainable health care
Implementation of school-based telehealth in communities facing health care barriers across South Carolina provides children with accessible care.
Commencement of shortwave propagation simulator (HF-START) service
Demonstrating radio wave propagation paths between any two points based on real-time space weather information