Novel quantum sensor breaks limits of optical measurement using entanglement
The Korea Research Institute of Standards and Science (KRISS) has developed a novel quantum sensor technology that allows the measurement of perturbations in the infrared region with visible light by leveraging the phenomenon of quantum entanglement......»»
Study proposes new constraints on exotic spin-spin-velocity-dependent interactions between electron spins
A research team has utilized solid-state spin quantum sensors to scrutinize exotic spin-spin-velocity-dependent interactions (SSIVDs) at short force ranges, reporting new experimental results between electron spins. Their work has been published in P.....»»
Preparing for a post-quantum future
Post-quantum cryptography (PQC) is a hot topic. A recent paper from Tsinghua University raised doubts about lattice-based cryptography for PQC, though an error was found. This has sparked questions about the strength of soon-to-be-standardized PQC al.....»»
Polar bears could vanish from Canada"s Hudson Bay if temperatures rise 2C
An international team of scientists said Thursday that polar bears faced local extinction in Canada's Hudson Bay by mid-century if global warming exceeds limits set under the Paris climate accords......»»
Light-Based Chips Could Help Slake AI"s Ever-Growing Thirst for Energy
Optical neural networks, which use photons instead of electrons, have advantages over traditional systems. They also face major obstacles......»»
Physicists confirm quantum entanglement persists between top quarks, the heaviest known fundamental particles
An experiment by a group of physicists led by University of Rochester physics professor Regina Demina has produced a significant result related to quantum entanglement—an effect that Albert Einstein called "spooky action at a distance.".....»»
Wide-field, high-resolution and broadband mesoscopic objective lens
Optical microscopes are indispensable research tools in fields such as life sciences, medical science, and materials science. The objective lens is the core component of the microscope, determining two key parameters of microscopic imaging: resolutio.....»»
When quantum dots meet blue phase liquid crystal elastomers
Circularly polarized luminescence (CPL) materials have attracted tremendous attention for their potential applications in many fields, such as molecular sensors, information encryption, and optical storage. So far, using cholesteric liquid crystals (.....»»
Seeing at a distance with multicore fibers: All-optical, ultra-long-distance image acquisition and transmission system
With the exponential growth of data globally, the demand for high-speed acquisition and long-distance transmission of multidimensional data is escalating. Online video surveillance in sectors like industrial manufacturing has significantly boosted pr.....»»
Enhancement and manipulation of second- and third-harmonic generation based on all-dielectric nonlinear metasurfaces
Nonlinear optics is a branch of optics that deals with the complex nonlinear relationships between the optical response of the medium and the incident light when it interacts with the optical medium. Currently, nonlinear optics has been successfully.....»»
Quantum entangled photons react to Earth"s spin
A team of researchers led by Philip Walther at the University of Vienna carried out a pioneering experiment where they measured the effect of the rotation of Earth on quantum entangled photons. The work, published in Science Advances, represents a si.....»»
Physicists report optical analog of Kármán vortex street
In a study published in Nature Communications, collaborating physicists from Singapore and the UK have reported an optical analog of the Kármán vortex street (KVS). This optical KVS pulse reveals fascinating parallels between fluid transport and en.....»»
Scientists unveil all-optical phase conjugation method using diffractive wavefront processing
Scientists at the University of California, Los Angeles (UCLA) have unveiled a technology that could revolutionize the fields of imaging and optical communications. Led by Aydogan Ozcan and his team, the research introduces an all-optical phase conju.....»»
Liquid crystal source of photon pairs opens path to new generation of quantum sources
Spontaneous parametric down-conversion (SPDC), as a source of entangled photons, is of great interest for quantum physics and quantum technology, but so far it could be only implemented in solids......»»
How a single atomic sensor can help track Earth"s glaciers
Earth observations are one of the most essential functions of our current fleet of satellites. Typically, each satellite specializes in one kind of remote sensing—monitoring ocean levels, for example, or watching clouds develop and move. That is pr.....»»
Transparent organic–inorganic hybrid photoresist enables precision machining of optical microstructures
Researchers at Beijing University of Chemical Technology (BUCT) and BOE Technology Group Co., Ltd. (BOE) have developed a novel type of transparent organic–inorganic hybrid photoresist with highly tunable refractive index......»»
New theory links quantum geometry to electron-phonon coupling
A new study published in Nature Physics introduces a theory of electron-phonon coupling that is affected by the quantum geometry of the electronic wavefunctions......»»
iOS 18 gains new slow charger warning in battery settings
The battery section of Settings in iOS 18 now shows when the iPhone is connected to a slow charger.It would be handy if this new "Slow Charger" warning were not so buried in SettingsAlongside giving users more options regarding charging limits, Apple.....»»
New technique could help build quantum computers of the future
Quantum computers have the potential to solve complex problems in human health, drug discovery, and artificial intelligence millions of times faster than some of the world's fastest supercomputers. A network of quantum computers could advance these d.....»»
Plato camera integration begins
The activities to integrate Plato's cameras have started in OHB's Space Center & Optics facility in Oberpfaffenhofen, Germany. One by one the cameras are attached to Plato's optical bench, the surface that keeps all cameras pointed in the right direc.....»»
Pseudomagic quantum states: A path to quantum supremacy
A new study in Physical Review Letters (PRL) introduces the concept of pseudomagic quantum states, which appear to have high stabilizerness (or complexity) and can move us closer to achieving quantum supremacy......»»