Configurable topological beam splitting via antichiral gyromagnetic photonic crystal
Topological insulators, whose bulky states are prohibited while surface/edge states are conductive and topologically protected. Recent advances in topologically protected edge states have drawn growing attention in the optics and photonics community......»»
ChromeOS is splitting the browser from the OS, getting more Linux-y
There's nothing official yet, but it might launch sometime this month. (credit: Valentina Palladino) It looks like Google's long-running project to split up ChromeOS and its Chrome browser will be shipping out to the ma.....»»
In some materials, immutable topological states can be entangled with other manipulable quantum states
Rice University physicists have shown that immutable topological states, which are highly sought for quantum computing, can be entangled with other manipulable quantum states in some materials......»»
Novel method reveals energy-dependent radiation damage to milled lamella by focused ion beam
Compared with the purified protein in vitro, intracellular biological macromolecules present a more complete and physiological conformation. Therefore, studying the three-dimensional structure of protein directly in vivo is the next goal of structura.....»»
Harnessing the power of light: Advancements in photonic memory for faster optical computing
Technological advancements like autonomous driving and computer vision are driving a surge in demand for computational power. Optical computing, with its high throughput, energy efficiency, and low latency, has garnered considerable attention from ac.....»»
Nanoneedles formed on an electrocatalyst improve hydrogen production
The low-cost, efficient production of hydrogen is an important step toward developing alternative, clean energy sources. Electrochemical water splitting, which splits water into its hydrogen and oxygen elements using an electrocatalyst, is a viable o.....»»
Telecom-band-integrated multimode photonic quantum-memory
Quantum memory that depends on quantum-band integration is a key building block used to develop quantum networks that are compatible with fiber communication infrastructures. Quantum engineers and IT specialists have yet to create such a network with.....»»
Millimeter-scale meron lattices that can serve as spin injectors for LEDs
Merons, topological structures based on in-plane magnetized magnetic materials, could have numerous valuable applications, particularly for carrying information or storing magnetic charge. Most past realizations of these structures, however, were lim.....»»
Recent advances in, and perspectives on, photonic bound states in the continuum
The interactions between light and matter are a central research focus in the field of photonics. Resonant cavities with high quality factors (Q) are capable to confine light effectively and exhibit ultra-long radiation lifetimes, making them essenti.....»»
Bright Lights, Big TV – DIY Ambient Lights
Televisions these days are technological marvels — absolutely massive yet paper-thin screens with crystal-clear 4K (or better) resolution, up to 120Hz refresh rates, high dynamic range (HDR) color and luminance, and other features that turn livi.....»»
Enhanced light absorption in thin silicon photodetectors with photon-trapping structures
Photonic systems are quickly gaining traction in many emerging applications, including optical communications, lidar sensing, and medical imaging. However, the widespread adoption of photonics in future engineering solutions hinges on the cost of man.....»»
Scientists realize optical phased array calibration via pointwise optimization
An optical phased array (OPA) is a nonmechanical beam-steering control device with high directivity and deflection efficiency. Due to its high resolution, fast response, and absence of inertia, the OPA is widely applied in LiDAR, free-space optical c.....»»
3D-printed facet-attached microlenses (FaML) could overcome photonic packaging challenges
Photonic integrated circuits (PICs) are on the verge of significant disruption through the unlocking of novel applications. This success largely relies on advanced wafer-level miniaturized photonic device fabrication, combining outstanding functional.....»»
Fabrication of nanoscale photonic crystals with an ultrafast laser
The light control performance of photonic crystals is closely related to their lattice constant, which typically requires the lattice constant to be in the same order of magnitude as the working wavelength. In crystal materials, the photonic crystal.....»»
Spallation Neutron Source accelerator achieves world-record 1.7-megawatt power level
The Spallation Neutron Source at the Department of Energy's Oak Ridge National Laboratory set a world record when its particle accelerator beam operating power reached 1.7 megawatts, substantially improving on the facility's original design capabilit.....»»
BESSY II: Surface analysis of catalyst particles in aqueous solutions
Green hydrogen can be produced directly in a photoelectrochemical cell, splitting water with solar energy. However, this requires the development of super-efficient photoelectrodes that need to combine many talents at the same time: They must be exce.....»»
Spin defects in hexagonal boron nitride created by helium ion bombardment
National University of Singapore (NUS) physicists have developed a method using a focused beam of helium ions to create arrays of defects in hexagonal boron nitride (hBN) that can potentially be used for magnetic sensing applications......»»
Spontaneous quasi-crystal self-assembly observed using tiny vibrating magnetic spheres
A team of physicists at Université Paris-Saclay has, for the first time, observed spontaneous quasi-crystal self-assembly. The observation occurred during an experiment they were conducting with tiny vibrating magnetic spheres. The team has written.....»»
3D/4D printed bio-piezoelectric scaffolds show potential in bone tissue engineering
Piezoelectricity has been well recognized as the key factor in bone regeneration. However, the current additive-manufactured scaffolds mainly focus on the reconstruction of bionic topological structure and mechanical microenvironment, while the cruci.....»»
Light-based “LiFi” is stunningly fast, notably fragile—and now standardized
224GB/s, killer security, no radio interference—but you can't block the beam. Enlarge / "I can't believe the quality of this 8K video tutorial! It's like you're really… Ted, could you, yeah, just shift over a little there? Yo.....»»
Visualizing the topology of electrons with "3D glasses"
They are seen as a beacon of hope for energy-saving electronics and the high-tech of the future: topological quantum materials. One of their properties is the conduction of spin-polarized electrons on their surface—even though they are actually non.....»»