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Superconductivity Sep 17, 2025

Single device amplifies signals while shielding qubits from unwanted noise

Quantum computing, an approach to deriving information that leverages quantum mechanical effects, relies on qubits, quantum units of information that can exist in superpositions of states. To effectively perform quantum computing, ...

Quantum Physics Sep 10, 2025

In quantum sensing, what beats beating noise? Meeting noise halfway

Noise is annoying, whether you're trying to sleep or exploit the laws of quantum physics. Although noise from environmental disturbances will always be with us, a team including scientists at the National Institute of Standards ...

Quantum Physics Aug 28, 2025

Clever algorithm enables real-time noise mitigation in quantum devices

Quantum researchers have deployed a new algorithm to manage noise in qubits in real time. The method can be applied to a wide range of different qubits, even in large numbers.

Quantum Physics Aug 28, 2025

A low-cost protocol enables preparation of magic states and fault-tolerant universal quantum computation

Quantum computers, systems that perform computations leveraging quantum mechanical effects, could outperform classical computers in some optimization and information processing tasks. As these systems are highly influenced ...

Quantum Physics Aug 26, 2025

Quantum memory array brings us closer to a quantum RAM

The internet, social media, and digital technologies have completely transformed the way we establish commercial, personal and professional relationships. At its core, this society relies on the exchange of information that ...

Quantum Physics Aug 25, 2025

How to build larger, more reliable quantum computers, even with imperfect links between chips

While quantum computers are already being used for research in chemistry, material science, and data security, most are still too small to be useful for large-scale applications. A study led by researchers at the University ...

Superconductivity Aug 24, 2025

High-fidelity entangling gates connect remote superconducting quantum processors

Quantum computers hold the potential of solving some optimization and data processing problems that cannot be tackled by classical computers. Many of the most promising quantum computing platforms developed so far are based ...

Quantum Physics Aug 22, 2025

Two quantum computers with 20 qubits manage to simulate information scrambling

Four RIKEN researchers have used two small quantum computers to simulate quantum information scrambling, an important quantum-information process. This achievement illustrates a potential application of future quantum computers. ...

Optics & Photonics Aug 22, 2025

Trapped calcium ions entangled with photons form scalable nodes for quantum networks

Researchers at the University of Innsbruck have created a system in which individual qubits—stored in trapped calcium ions—are each entangled with separate photons. Demonstrating this method for a register of up to 10 qubits, ...

Quantum Physics Aug 22, 2025

Advanced computer modeling predicts molecular-qubit performance

A qubit is the delicate, information-processing heart of a quantum device. In the coming decades, advances in quantum information are expected to give us computers with new, powerful capabilities and detectors that can pick ...

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