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Search results for single-qubit

Superconductivity Jun 3, 2024

Superconducting circuit for qubit control within large-scale quantum computer systems successfully demonstrated

In support of the development of large-scale superconducting quantum computers, researchers with the National Institute of Advanced Industrial Science and Technology (AIST), one of the largest public research organizations ...

Quantum Âé¶¹ÒùÔºics May 29, 2024

Research team demonstrates modular, scalable hardware architecture for a quantum computer

Quantum computers hold the promise of being able to quickly solve extremely complex problems that might take the world's most powerful supercomputer decades to crack.

Superconductivity May 22, 2024

The tunable coupling of two distant superconducting spin qubits

Quantum computers, computing devices that leverage the principles of quantum mechanics, could outperform classical computing on some complex optimization and processing tasks. In quantum computers, classical units of information ...

Optics & Photonics May 15, 2024

Âé¶¹ÒùÔºicists demonstrate first metro-area quantum computer network in Boston

It's one thing to dream up a quantum internet that could send hacker-proof information around the world via photons superimposed in different quantum states. It's quite another to physically show it's possible.

Quantum Âé¶¹ÒùÔºics May 13, 2024

Researchers create complex quantum graph states with photons

The entanglement of quantum systems is the foundation of all quantum information technologies. Complex forms of entanglement between several quantum bits are particularly interesting.

Condensed Matter May 7, 2024

New super-pure silicon chip opens path to powerful quantum computers

Researchers at the Universities of Melbourne and Manchester have invented a breakthrough technique for manufacturing highly purified silicon that brings powerful quantum computers a big step closer.

Quantum Âé¶¹ÒùÔºics May 6, 2024

Experiment opens door for millions of qubits on one chip

Researchers from the University of Basel and the NCCR SPIN have achieved the first controllable interaction between two hole spin qubits in a conventional silicon transistor. The breakthrough opens up the possibility of integrating ...

Condensed Matter May 2, 2024

Research demonstrates high qubit control fidelity and uniformity in single-electron control

The journal Nature has published a research paper, "Probing single electrons across 300-mm spin qubit wafers," demonstrating state-of-the-art uniformity, fidelity and measurement statistics of spin qubits. The industry-leading ...

Quantum Âé¶¹ÒùÔºics Apr 26, 2024

The end of the quantum tunnel: Exact instanton transseries for quantum mechanics

In the quantum world, processes can be separated into two distinct classes. One class, that of the so-called "perturbative" phenomena, is relatively easy to detect, both in an experiment and in a mathematical computation. ...

Optics & Photonics Apr 25, 2024

Demonstration of heralded three-photon entanglement on a photonic chip

Photonic quantum computers are computational tools that leverage quantum physics and utilize particles of light (i.e., photons) as units of information processing. These computers could eventually outperform conventional ...

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