Toward practical quantum optics: Multiphoton qubits from LNOI
Can quantum optics be used for practical applications? A lot depends on whether a large number of photons can be gathered in quantum state......»»
A new apparatus for analyzing partial coherence in integrated photonic networks
Anyone familiar with optics labs is familiar with the extremes of light coherence: laser beams are highly coherent, producing clear interference patterns used for precise applications like atomic manipulation or precise sensing. In contrast, light fr.....»»
Research team succeeds in ultra-fast switching of tiny light sources
Extremely thin materials consisting of just a few atomic layers promise applications for electronics and quantum technologies. An international team led by TU Dresden has now made remarkable progress with an experiment conducted at Helmholtz-Zentrum.....»»
IBM opens its quantum-computing stack to third parties
You don't have to use IBM's tools to run software on its quantum processor. Enlarge / The small quantum processor (center) surrounded by cables that carry microwave signals to it, and the refrigeration hardware. (credit: IBM).....»»
Exploiting quantum squeezing to enhance precision of measurements in systems with multiple factors
Quantum squeezing is a concept in quantum physics where the uncertainty in one aspect of a system is reduced while the uncertainty in another related aspect is increased......»»
Orbital angular momentum monopoles discovery propels orbitronics forward in energy-efficient tech
Orbital angular momentum monopoles have been the subject of great theoretical interest as they offer major practical advantages for the emerging field of orbitronics, a potential energy-efficient alternative to traditional electronics. Now, through a.....»»
Balloon mission tests quantum sensor technology
A WashU team launched the Dilution Refrigerator Transition Edge Sensor (DR-TES) mission on Sept. 24 from NASA's scientific balloon facility in Fort Sumner, N.M. The mission is testing a sophisticated cooling system and a novel gamma-ray detector arra.....»»
Security protocol leverages quantum mechanics to shield data from attackers during cloud-based computation
Deep-learning models are being used in many fields, from health care diagnostics to financial forecasting. However, these models are so computationally intensive that they require the use of powerful cloud-based servers......»»
Why do people breach their bail? Research shows it"s not because they"re committing more crimes
In Australia and most countries, everyone is innocent until proven guilty. Because of this, keeping someone in detention before trial comes with serious legal, practical and human-rights consequences, not just for the person accused but also for thei.....»»
A versatile approach to realize quantum-enhanced metrology with large Fock states
The collecting of highly precise measurements can enable research developments and technological advancements in numerous fields. In physics, high-precision measurements can unveil new phenomena and experimentally validate theories......»»
Humbug damselfish use "motion dazzle" to evade predators
When thinking of animal camouflage, we typically imagine creatures remaining still, blending seamlessly into their surroundings. But remaining motionless isn't always practical, and many animals are highly mobile, constantly moving through their envi.....»»
"Writing" with atoms could transform materials fabrication for quantum devices
A new technology to continuously place individual atoms exactly where they are needed could lead to new materials for devices that address critical needs for the field of quantum computing and communication that cannot be produced by conventional mea.....»»
Quantum sensing approach captures nanoscale electrochemical evolution in battery
Battery performance is heavily influenced by the non-uniformity and failure of individual electrode particles. Understanding the reaction mechanisms and failure modes at nanoscale level is key to advancing battery technologies and extending their lif.....»»
Even the heaviest particles experience the usual quantum weirdness, new experiment shows
One of the most surprising predictions of physics is entanglement, a phenomenon where objects can be some distance apart but still linked together. The best-known examples of entanglement involve tiny chunks of light (photons), and low energies......»»
Saturday Citations: Football metaphors in physics; vets treat adorable baby rhino"s broken leg
This week, researchers reported an effective way to protect working dogs from heat stress: training them to dunk their heads in cool water. A new computational technique provided a breakthrough in understanding the so-called "pseudogap" in quantum ph.....»»
Analysis of heterostructures for spintronics shows how two desired quantum-physical effects reinforce each other
Spintronics uses the spins of electrons to perform logic operations or store information. Ideally, spintronic devices could operate faster and more energy-efficiently than conventional semiconductor devices. However, it is still difficult to create a.....»»
European Green Deal is a double-edged sword for global emissions, analysis suggests
The European Union aims to be carbon-neutral by 2050 as part of the comprehensive Green Deal that was agreed upon four years ago. However, an analysis of the policy documents outlining the practical measures of the Green Deal shows that it will decre.....»»
Could interstellar quantum communications involve Earth or solve the Fermi paradox?
Thus far, the search for extraterrestrial intelligence (SETI) has used strategies based on classical science—listening for radio waves, telescopes watching for optical signals, telescopes in orbit scouring light from the atmospheres of exoplanets,.....»»
Were Bohr and von Neumann really in conflict over quantum measurements?
Analysis suggests that the two pioneers of quantum mechanics, Niels Bohr and John von Neumann, may have had more similar views than previously thought regarding the nature of quantum systems, and the classical apparatus used to measure them......»»
LHC experiments observe quantum entanglement at the highest energy yet
Quantum entanglement is a fascinating feature of quantum physics—the theory of the very small. If two particles are quantum-entangled, the state of one particle is tied to that of the other, no matter how far apart the particles are. This mind-bend.....»»
Single-step lifecycle monitoring made fast and easy with single-walled carbon nanotubes
A research team has published a work showcasing another practical and scalable application of single-walled carbon nanotubes......»»