Shaken, not stirred: Ultrafast skyrmion reshuffling
Smaller, faster, more energy-efficient: future requirements to computing and data storage are hard to fulfill and alternative concepts are continuously explored. Small magnetic textures, so-called skyrmions, may become an ingredient in novel memory a.....»»
Team reports on ultrafast laser state active controlling based on anisotropic quasi-1D material
Tunable ultrafast lasers with adjustable parameters, such as wavelength, intensity, pulse width and laser states are desirable as next-generation intelligent light sources. Due to complex nonlinear effects within the ultrafast system, it is challengi.....»»
Team creates cooperative exciton-polariton condensate
Superfluorescence (SF), as a cooperative radiation effect originating from vacuum quantum fluctuations, is an ideal platform for studying many-body correlation mechanisms in an exciton ensemble, and for developing optically ultrafast techniques on br.....»»
Unlocking visible femtosecond fiber oscillators: An advance in laser science
The emergence of ultrafast laser pulse generation, marking a significant milestone in laser science, has triggered incredible progress across a wide array of disciplines, encompassing industrial applications, energy technologies, life sciences, and b.....»»
Using mode-locked lasers to realize and study non-Hermitian topological physics
Mode-locked lasers are advanced lasers that produce very short pulses of light, with durations ranging from femtoseconds to picoseconds. These lasers are widely used to study ultrafast and nonlinear optical phenomena, but they have also proved useful.....»»
Ultrafast plasmonics for all-optical switching and pulsed lasers
Plasmonics is playing a crucial role in advancing nanophotonics, as plasmonic structures exhibit a wide range of physical characteristics that are benefited by localized and intensified light-matter interactions. These properties are exploited in num.....»»
Digital nomads: A benefit or burden for local communities?
Many criticize digital nomads for fueling gentrification and pricing out locals. Social, economic, spatial and cultural segregation between nomads and local communities has already stirred controversy from Canada to the Canary Islands......»»
Researchers develop world-leading microwave photonics chip for high-speed signal processing
A research team led by Professor Wang Cheng from the Department of Electrical Engineering (EE) at City University of Hong Kong (CityUHK) has developed a world-leading microwave photonic chip that is capable of performing ultrafast analog electronic s.....»»
Genome sequencing unveils mutational impacts of radiation on mammalian cells
The recent release of the wastewater from Japan's Fukushima nuclear disaster stirred apprehension regarding the health implications of radiation exposure. Classified as a Group 1 carcinogen, ionizing radiation has long been associated with various ca.....»»
Machine learning techniques enhance the discovery of excited nuclear levels in sulfur-38
Fixed numbers of protons and neutrons—the building blocks of nuclei—can rearrange themselves within a single nucleus. The products of this reshuffling include electromagnetic (gamma ray) transitions. These transitions connect excited energy level.....»»
Scientists develop ultrafast hydrogen leak detection
As the spread of eco-friendly hydrogen cars increases, the importance of hydrogen sensors is also on the rise. In particular, achieving technology to detect hydrogen leaks within one second remains a challenging task. Accordingly, the development of.....»»
A new approach to monitoring ultrafast excitations in correlated systems
An international team of researchers have presented new ideas for ultrafast multi-dimensional spectroscopy of strongly correlated solids. Their work is published in Nature Photonics......»»
Scientists compute with light inside hair-thin optical fiber
Scientists at Heriot-Watt University in Edinburgh, Scotland, have found a powerful new way to program optical circuits that are critical to the delivery of future technologies such as unhackable communications networks and ultrafast quantum computers.....»»
Ultrafast laser pulses could lessen data storage energy needs
A discovery from an experiment with magnets and lasers could be a boon to energy-efficient data storage......»»
Progress in the investigation of ultrafast electron dynamics using short light pulses
When electrons move within a molecule or semiconductor, this occurs on unimaginably short time scales. A Swedish-German team, including Dr. Jan Vogelsang from the University of Oldenburg, has now made significant progress towards a better understandi.....»»
High-sensitivity visualization of ultrafast carrier diffusion by wide-field holographic microscopy
Femtosecond transient microscopy is an important tool to study ultrafast transport properties of excited states in solid-state samples. Most implementations are limited to photoexciting a single diffraction-limited spot at the sample and tracking the.....»»
Ultrafast lasers map electrons "going ballistic" in graphene with implications for next-gen electronic devices
Research appearing in ACS Nano reveals the ballistic movement of electrons in graphene in real-time......»»
Ultrafast laser technology could offer improved cancer treatment
Ultrafast laser technology continues to surprise. While research in this field may seem rather abstract at first glance, it very often leads to concrete applications. This is particularly true in health care, where the technology can be used to treat.....»»
Samsung Display ramps up preparation for foldable iPhone and iPad orders
Samsung Display, one of Apple’s largest supplier, is reshuffling its business teams in preparation for foldable iPhones and iPads. According to a report from The Elec, Samsung Display recently “carried out an organizational reorganization that fo.....»»
Ultralight ultrafast enzymes: Isotopes more powerful than previously thought
In a recently published study in Angewandte Chemie International Edition, researchers at the Department of Medical Biochemistry and Biophysics (MBB) at Karolinska Institutet have questioned the old paradigm surrounding isotopes of light elements—ca.....»»
Scientists discover new type of ultrafast magnetic switching while investigating noise interference
Researchers at the University of Konstanz have discovered a new type of ultrafast magnetic switching by investigating fluctuations that normally tend to interfere with experiments as noise......»»