Search results for single-qubit

Optics & Photonics Mar 11, 2026

Photonic 'ski jumps' efficiently beam light into free space

Photonic chips use light to process data instead of electricity, enabling faster communication speeds and greater bandwidth. Most of that light typically stays on the chip, trapped in optical wires, and is difficult to transmit ...

Quantum Physics Mar 11, 2026

Scalable quantum batteries can charge faster than their classical counterparts

Over the past decades, energy engineers have developed increasingly advanced battery technologies that can store more energy, charge faster and maintain their performance for longer. In recent years, some researchers have ...

Nanophysics Mar 5, 2026

Chemically tuning nanographene into topological spin chains and why the ends matter

When most people hear "polymer," they think of plastics. In our group, polymerization is a way to line up identical molecules like beads on a string and let quantum mechanics take over. Put magnetic building blocks in a one-dimensional ...

Quantum Physics Feb 27, 2026

Dynamical freezing can protect quantum information for near-cosmic timescales

Preserving quantum information is key to developing useful quantum computing systems. But interacting quantum systems are chaotic and follow laws of thermodynamics, eventually leading to information loss. Physicists have ...

Condensed Matter Feb 25, 2026

A robust new telecom qubit identified in silicon

Quantum technologies are anticipated to transform computing, communication, and sensing by harnessing the unusual behavior of matter at the atomic scale. Translating quantum's promise into practical devices will require physical ...

Quantum Physics Feb 22, 2026

How to improve the performance of qubits: Super-fast fluctuation detection achieved

Using commercially available technology and innovative methods, researchers at NBI have pushed the limits of how fast you can detect changes in the sensitive quantum states in the qubit. Their work allows researchers to follow ...

Optics & Photonics Feb 20, 2026

Quantum entanglement could link distant telescopes for sharper images

To capture higher-definition and sharper images of cosmological objects, astronomers sometimes combine the data collected by several telescopes. This approach, known as long-baseline interferometry, entails comparing the ...

Superconductivity Feb 17, 2026

New amplifier design promises less noise, more gain for quantum computers

The low-noise, high-gain properties needed for high-performance quantum computing can be realized in a microwave photonic circuit device called a Josephson traveling-wave parametric amplifier (JTWPA), RIKEN researchers have ...

Condensed Matter Feb 16, 2026

Silicon quantum processor detects single-qubit errors while preserving entanglement

Quantum computers are alternative computing devices that process information, leveraging quantum mechanical effects, such as entanglement between different particles. Entanglement establishes a link between particles that ...

Quantum Physics Feb 12, 2026

Cutting down on quantum-dot crosstalk: Precise measurements expose a new challenge

Devices that can confine individual electrons are potential building blocks for quantum information systems. But the electrons must be protected from external disturbances. RIKEN researchers have now shown how quantum information ...

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