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Quantum Physics news

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.
Optics & Photonics
4 hours ago
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Another step towards practical quantum computers
Researchers from the University of Sussex and Universal Quantum have demonstrated for the first time that quantum bits (qubits) can directly transfer between quantum computer microchips and demonstrated this with record-breaking ...
Quantum Physics
5 hours ago
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64

Quantum data conversion offers a path to scale up quantum technology architectures
Researchers at the Kastler Brossel Laboratory in Paris have succeeded in building the first converter between the two different types of quantum-bit encodings—an equivalent to converters for classical information, but targeted ...
Optics & Photonics
8 hours ago
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81

Scientists realize faster method for quantum key distribution
Chinese scientists have successfully implemented a new way of quantum key distribution (QKD) which can boost the speed of intercity quantum networks.
Quantum Physics
9 hours ago
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72

Deep learning for quantum sensing
Quantum sensing represents one of the most promising applications of quantum technologies, with the aim of using quantum resources to improve measurement sensitivity. In particular, sensing of optical phases is one of the ...
Optics & Photonics
Feb 7, 2023
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How to reverse unknown quantum processes
In the world around us, processes appear to follow a certain time-direction: Dandelions eventually turn into blowballs. However, the quantum realm does not play by the same rules. Physicists from the University of Vienna ...
Optics & Photonics
Feb 7, 2023
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238

Microscopy images could lead to new ways to control excitons for quantum computing
Excitons are drawing attention as possible quantum bits (qubits) in tomorrow's quantum computers and are central to optoelectronics and energy-harvesting processes. However, these charge-neutral quasiparticles, which exist ...
Quantum Physics
Feb 7, 2023
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150

An extension of FermiNet to discover quantum phase transitions
Architectures based on artificial neural networks (ANNs) have proved to be very helpful in research settings, as they can quickly analyze vast amounts of data and make accurate predictions. In 2020, Google's British AI subsidiary ...

Rabi oscillations in a stretching molecule
Over eighty years ago, Rabi oscillations were proposed to describe the strong coupling and population transfer in a two-level quantum system exposed to an oscillatory driving field. As compared to atoms, molecules have an ...
Optics & Photonics
Feb 3, 2023
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Researchers entangle ions across a 230-meter quantum network
Trapped ions have previously only been entangled in one and the same laboratory. Now, teams led by Tracy Northup and Ben Lanyon from the University of Innsbruck have entangled two ions over a distance of 230 meters.
Quantum Physics
Feb 2, 2023
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547

Interaction-free, single-pixel quantum imaging with undetected photons
To capture an image of an object, a photographer typically requires a source of light interacting and scattering away from that object of interest, and a method to detect the light being scattered away from that object, as ...

The first lab-created 'quantum abacus'
Do you want to know whether a very large integer is a prime number or not? Or if it is a "lucky number"? A new study by SISSA, carried out in collaboration with the University of Trieste and the University of Saint Andrews, ...
Optics & Photonics
Feb 2, 2023
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87

Researchers devise a new path toward 'quantum light'
Researchers have theorized a new mechanism to generate high-energy "quantum light," which could be used to investigate new properties of matter at the atomic scale.
Optics & Photonics
Feb 2, 2023
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Researchers observe exotic bound states in ultracold polar molecules for the first time
A team of researchers at the Max Planck Institute of Quantum Optics (MPQ) in Garching has for the first time observed evidence of a phenomenon that had previously only been suspected: a theory predicts that exotic bound states ...
Condensed Matter
Feb 2, 2023
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215

Scientists report on a quasiparticle that can transfer heat under electrical control
Scientists have found the secret behind a property of solid materials known as ferroelectrics, showing that quasiparticles moving in wave-like patterns among vibrating atoms carry enough heat to turn the material into a thermal ...
Condensed Matter
Feb 1, 2023
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322

'Ghostly' neutrinos provide new path to study protons
Neutrinos are one of the most abundant particles in our universe, but they are notoriously difficult to detect and study: they don't have an electrical charge and have nearly no mass. They are often referred to as "ghost ...
Quantum Physics
Feb 1, 2023
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Researchers reveal microscopic quantum correlations of ultracold molecules
Physicists are increasingly using ultracold molecules to study quantum states of matter. Many researchers contend that molecules have advantages over other alternatives, such as trapped ions, atoms or photons. These advantages ...
Quantum Physics
Feb 1, 2023
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224

Special setup uses polarized rubidium and xenon as transmitter and receiver system for exotic fields
In the search for new forces and interactions beyond the Standard Model, an international team of researchers involving the PRISMA Cluster of Excellence at Johannes Gutenberg University Mainz (JGU) and the Helmholtz Institute ...
Quantum Physics
Feb 1, 2023
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Prototype particle detectors project smashes milestone
Carnegie Mellon University physicists in Pittsburgh are one step closer to building new particle detectors for the Compact Muon Solenoid (CMS) experiment at CERN's Large Hadron Collider (LHC).
Plasma Physics
Feb 1, 2023
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Quantum vortex formation in the lab
Quantized vortices can be generated in classical experiments of liquid helium and ultracold dilute gases to conduct fundamental and comparative studies of different superfluids. In a new report published in Science Advances, ...
More news

Scientists couple terahertz radiation with spin waves

New algorithm enables simulation of complex quantum systems

How silicides impact the performance of transmon qubits

New detector could enable high-speed quantum communication

Team uses quantum sensors to reveal how Weyl photocurrents flow

A new approach to solving the mystery of dark energy (Update)

No 'second law of entanglement' after all, claims study

Twisting up atoms through space and time

The Floquet engineering of quantum materials
Other news

Tracking ocean microplastics from space

New discovery dramatically reduces time it takes to build molecules

NASA's Curiosity rover finds surprise clues to Mars's watery past

Space dust as Earth's sun shield

Heavy necking: New insights into the sex life of giraffes

First observation of the Cherenkov radiation phenomenon in 2D space

Data reveal a surprising preference in particle spin alignment

Researcher posits that electrons do spin, thanks to their fields

An enhanced cooling method for the quantum world
