Quantum Physics and Quantum Computing

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Low-Noise Transducers to Bridge the Gap Between Microwave and Optical Qubits

But microwave photons quickly lose their quantum information, or decohere, at room temperature. In order to transmit tho…

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New Study Unveils Unique Quantum State for Error-Free Quantum Computers Leveraging Light

The results of this research were published online in Nature Communications on February 3, 2025.

The researchers utilized an innovative approach, analyzing exciton particles generated by illuminating the thin film wit…

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Welinq Launches Its World-Record Storage Solution for Quantum Computing Scale-Out

A critical step in building the infrastructure for scalable quantum data centers

Welinq is removing the barriers to building the first quantum data centers by providing

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QIA researchers create first Operating System for Quantum Networks

Breakthrough achievement paves the way for practical quantum internet applications

The quantum network operating system, known as QNodeOS, is fully programmable, meaning that applications can be run at

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New nanoscale technique unlocks quantum material secrets

A breakthrough method reveals unique atomic vibrations near interfaces of two materials, paving the way for advanced quantum technologies

There were two main challenges, Wen explained. First, the interface is

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Rare quantum effect paves the way for topological quantum computing

This breakthrough was enabled by an innovative fabrication approach developed by

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Light from Artificial Atoms

Superconducting circuits are being used at TU Wien and ISTA to create new types of quantum systems that are much easier to control and much more tunable than natural quantum systems like atoms.

By coupling them, a system was created that can be used to store and retrieve light – an important prerequisite for furt…

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Exploring Quantum Materials for a New Generation of Technology

The future is bright for an X-ray technique that captures microscopic, rapidly changing material properties

Researchers have also used RIXS to observe the electronic behavior of quantum materials, providing key insights into how…

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More colours for a high-performance quantum internet

Two researchers from Leibniz University Hannover demonstrate a dynamically adaptable, resource-minimised quantum key distribution exploiting the photon colours for the first time.

The researchers have succeeded in measuring the quantum states of the light particles using only

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Qubits to qudits: Using quantum mechanics to transmit information more securely

Penn and CUNY researchers collaborated to develop a device that uses quantum principles to relay information securely—an advance that could improve encryption in critical service areas like banking and health care.

The team’s experiments demonstrated that their system could reliably transmit quantum keys over

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Multiplexing Entanglement in a Quantum Network

To achieve this, the researchers developed a new protocol for distributing quantum information in

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University of Manchester researchers unveil breakthrough in quantum nanotechnology

Spin transport electronics, or spintronics, represents a revolutionary alternative to traditional electronics by utilisi…

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Cal­cu­lat­ing error-free more eas­ily with two codes

She developed the quantum circuits on which the experiment is based and implemented them in close collaboration with

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A step closer to even more powerful and secure quantum communications

The first ever demonstration of a quantum key distribution protocol opens the door to data processing at unprecedented speeds, distances and levels of security.

Quantum key distribution enables secret encryption keys to be exchanged that are known only to the

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Record cold quantum refrigerator paves way for reliable quantum computers

The refrigerator utilises interactions between different qubits, specifically between the

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Lighting the way to quantum computing

Light-based technological breakthroughs from NTU are illuminating the future of powerful computers.

To get a single photon from the 2D WSe2, the researchers first used a laser to generate

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A connection between quantum theory and information theory proved

It’s basic research that lays the foundation for future technologies in quantum information and quantum computers

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Seeing with entangled quantum pairs

While the electron travels towards the sample, the photon enters

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IBM Launches Its Most Advanced Quantum Computers, Fueling New Scientific Value and Progress towards Quantum Advantage

Qiskit, the world's most performant quantum software, can extend length and complexity of certain circuits to 5,000 two-qubit operations with accurate results on IBM quantum computers

This continues the achievement of milestones on IBM's Quantum Development Roadmap, and further advances the

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360 Qubits in a crystal membrane

This could enable long-distance quantum information transfer by

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There are 56 articles in Quantum Physics and Quantum Computing
Quantum Physics and Quantum Computing Archive