"Twisty" photons could turbocharge next-gen quantum communication
Quantum computers and communication devices work by encoding information into individual or entangled photons, enabling data to be quantum securely transmitted and manipulated exponentially faster than is possible with conventional electronics. Now,.....»»
Quantum dot photon emitters violate Bell inequality in new study
A new study in Nature Physics demonstrates a novel method for generating quantum entanglement using a quantum dot, which violates the Bell inequality. This method uses ultra-low power levels and could pave the way for scalable and efficient quantum t.....»»
Researchers realize time reversal through input-output indefiniteness
A research team has constructed a coherent superposition of quantum evolution with two opposite directions in a photonic system and confirmed its advantage in characterizing input-output indefiniteness. The study was published in Physical Review Lett.....»»
Scientists develop efficient and stable hybrid perovskite-organic LEDs with external quantum efficiency exceeding 40%
Tandem LEDs offer an effective way to integrate different light-emitting technologies for better display that meets Rec. 2020 color gamut standard. Now, scientists in China have developed a stable, efficient and high-color purity green LED with a tan.....»»
New shapes of photons open doors to advanced optical technologies
Researchers from the University of Twente in the Netherlands have gained important insights into photons, the elementary particles that make up light. They 'behave' in an amazingly greater variety than electrons surrounding atoms, while also being mu.....»»
A new approach to realize quantum mechanical squeezing
Mechanical systems are highly suitable for realizing applications such as quantum information processing, quantum sensing and bosonic quantum simulation. The effective use of these systems for these applications, however, relies on the ability to man.....»»
Ab initio methods help scientists make sense of complex particle collisions
When atomic nuclei and subatomic particles interact, the results are incredibly complex. These are the "many body problems" of quantum mechanics. To help make sense of these interactions, scientists create ways to simplify the range of possible outco.....»»
Novel 2D device for quantum cooling converts heat to voltage at ultra-low temperatures
EPFL engineers have created a device that can efficiently convert heat into electrical voltage at temperatures lower than that of outer space. The innovation could help overcome a significant obstacle to the advancement of quantum computing technolog.....»»
A concentrated beam of particles and photons could push us to Proxima Centauri
Getting to Proxima Centauri b will take a lot of new technologies, but there are increasingly exciting reasons to do so. Both public and private efforts have started seriously looking at ways to make it happen, but so far, there has been one signific.....»»
Searching for dark matter with the coldest quantum detectors in the world
One of the greatest mysteries of science could be one step closer to being solved. Approximately 80% of the matter in the universe is dark, meaning that it cannot be seen. In fact, dark matter is passing through us constantly—possibly at a rate of.....»»
Scientists achieve first intercity quantum key distribution with deterministic single-photon source
Conventional encryption methods rely on complex mathematical algorithms and the limits of current computing power. However, with the rise of quantum computers, these methods are becoming increasingly vulnerable, necessitating quantum key distribution.....»»
Cryptographers Are Discovering New Rules for Quantum Encryption
Researchers have proved that secure quantum encryption is possible in a world without hard problems, establishing a new foundation for what is needed to keep information secure......»»
Scientists discover way to "grow" sub-nanometer sized transistors
A research team led by Director Jo Moon-Ho of the Center for Van der Waals Quantum Solids within the Institute for Basic Science (IBS) has implemented a novel method to achieve epitaxial growth of 1D metallic materials with a width of less than 1 nm......»»
Genetic algorithm enables precise design of phononic crystals
The advent of quantum computers promises to revolutionize computing by solving complex problems exponentially more rapidly than classical computers. However, today's quantum computers face challenges such as maintaining stability and transporting qua.....»»
Using entangled particles to create unbreakable encryption
The discovery of quantum mechanics opened the door to fundamentally new ways of communicating, processing, and protecting data. With a quantum revolution well underway, long unimaginable opportunities are coming within our reach......»»
Scientists create the thinnest lens on Earth, enabled by excitons
Lenses are used to bend and focus light. Normal lenses rely on their curved shape to achieve this effect, but physicists from the University of Amsterdam and Stanford University have made a flat lens of only three atoms thick that relies on quantum e.....»»
Researchers apply quantum computing methods to protein structure prediction
Researchers from Cleveland Clinic and IBM have recently published findings in the Journal of Chemical Theory and Computation that could lay the groundwork for applying quantum computing methods to protein structure prediction......»»
Research team shows theoretical quantum speedup with the quantum approximate optimization algorithm
In a new paper in Science Advances, researchers at JPMorgan Chase, the U.S. Department of Energy's (DOE) Argonne National Laboratory and Quantinuum have demonstrated clear evidence of a quantum algorithmic speedup for the quantum approximate optimiza.....»»
New device precisely controls photon emission for more efficient portable screens
Recently, a team of chemists, mathematicians, physicists and nano-engineers at the University of Twente in the Netherlands developed a device to control the emission of photons with unprecedented precision. This technology could lead to more efficien.....»»
Researchers create the world"s strongest ionizing terahertz radiation
Terahertz waves, known as non-ionizing radiation, can turn into ionization radiation when sufficiently many terahertz photons are focused in space and time. A team led by scientists in Korea and the U.S. has created the world's most intense terahertz.....»»
Australia"s new consent campaign gets a lot right: But consent education won"t be enough to stop sexual violence
The Australian government has recently launched Consent Can't Wait, a campaign focused on supporting sexual consent communication between adults and young people......»»