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Quantum Âé¶¹ÒùÔºics Jan 5, 2023

New quantum computing architecture could be used to connect large-scale devices

Quantum computers hold the promise of performing certain tasks that are intractable even on the world's most powerful supercomputers. In the future, scientists anticipate using quantum computing to emulate materials systems, ...

Optics & Photonics Jan 3, 2023

Chip circuit for light could be applied to quantum computations

The ability to transmit and manipulate, with minimal loss, the smallest unit of light—the photon—plays a pivotal role in optical communications as well as designs for quantum computers that would use light rather than ...

Condensed Matter Dec 22, 2022

Researchers show a new way to induce useful defects using invisible material properties

Much of modern electronic and computing technology is based on one idea: Add chemical impurities, or defects, to semiconductors to change their ability to conduct electricity. These altered materials are then combined in ...

Nanophysics Dec 20, 2022

Coherent manipulation of spin qubits at room temperature

A research group led by Prof. Wu Kaifeng from the Dalian Institute of Chemical Âé¶¹ÒùÔºics (DICP), Chinese Academy of Sciences recently reported the successful initialization, coherent quantum-state control, and readout of spins ...

Quantum Âé¶¹ÒùÔºics Dec 18, 2022

Study uncovers existing limitations in the detection of entanglement

Quantum entanglement is a process through which two particles become entangled and remain connected over time, even when separated by large distances. Detecting this phenomenon is of crucial importance for both the development ...

Condensed Matter Dec 15, 2022

Using the power of symmetry for new quantum technologies

By taking advantage of nature's own inherent symmetry, researchers at Chalmers University of Technology in Sweden have found a way to control and communicate with the dark state of atoms. This finding opens another door toward ...

General Âé¶¹ÒùÔºics Dec 15, 2022

It's colossal: Creating the world's largest dilution refrigerator

Fermilab is known for its massive experiments, and Colossus will fit right in. Researchers from the Fermilab-hosted Superconducting Quantum Materials and Systems Center need lots of room at cold temperatures to achieve their ...

Quantum Âé¶¹ÒùÔºics Dec 13, 2022

Detecting dark matter with quantum computers

Dark matter makes up about 27% of the matter and energy budget in the universe, but scientists do not know much about it. They do know that it is cold, meaning that the particles that make up dark matter are slow-moving. ...

Quantum Âé¶¹ÒùÔºics Dec 8, 2022

Using 'cat states' to realize fault-tolerant quantum computers

Error correction in quantum computers could be simplified by a new protocol proposed by an all-RIKEN team based on "cat states." It could cut the computing resources needed to fix errors to the same level as conventional ...

Quantum Âé¶¹ÒùÔºics Dec 7, 2022

Quantum processor reveals bound states of photons hold strong even in the midst of chaos

Researchers have used a quantum processor to make microwave photons uncharacteristically sticky. They coaxed them to clump together into bound states, then found that these photon clusters survived in a regime where they ...

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