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Optics & Photonics Feb 11, 2025

Physicists achieve fully optical readout of superconducting qubits

Qubits—the fundamental units of quantum information—drive entire tech sectors. Among them, superconducting qubits could be instrumental in building a large-scale quantum computer, but they rely on electrical signals and are ...

Quantum Physics Feb 10, 2025

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

In the realm of quantum information distribution, sending a signal from point A to point B is like a baseball pitcher relaying a secret pitch call to the catcher. The pitcher has to disguise the signal from the opposing team ...

Quantum Physics Feb 7, 2025

Simulating particle creation in an expanding universe using quantum computers

A new study published in Scientific Reports simulates particle creation in an expanding universe using IBM quantum computers, demonstrating the digital quantum simulation of quantum field theory for curved spacetime (QFTCS).

Quantum Physics Feb 6, 2025

Quantum simulator combines digital and analog modes to calculate physical processes with unprecedented precision

How does cold milk disperse when it is dripped into hot coffee? Even the fastest supercomputers are unable to perform the necessary calculations with high precision because the underlying quantum physical processes are extremely ...

Quantum Physics Feb 4, 2025

Collaboration uncovers how gravity influences qubits

A collaboration between Nordita, the Nordic Institute for Theoretical Physics, hosted by Stockholm University, KTH and Google Quantum AI explores how gravitational fields influence quantum computing hardware, laying the foundation ...

Quantum Physics Jan 31, 2025

World's first scalable, connected, photonic quantum computer prototype developed

A team of engineers, physicists and computer specialists at Canadian company, Xanadu Quantum Technologies Inc., has unveiled what they describe as the world's first scalable, connected, photonic quantum computer prototype.

Condensed Matter Jan 29, 2025

Using phononic bandgap materials to suppress decoherence in quantum computers

Quantum computers have the potential of outperforming classical computers on some optimization and computational tasks. Compared to classical systems, however, quantum systems are more prone to errors, as they are more sensitive ...

Quantum Physics Jan 29, 2025

Scientists create new register with thousands of entangled nuclei to scale quantum networks

In an advance for quantum technologies, researchers at the Cavendish Laboratory, University of Cambridge, have created a functional quantum register using the atoms inside a semiconductor quantum dot.

Condensed Matter Jan 28, 2025

New avenues in quantum research: Supramolecular chemistry detects qubit candidates

A Franco-German research team, including members from the University of Freiburg, shows that supramolecular chemistry enables efficient spin communication through hydrogen bonds. The work is published in the journal Nature ...

Condensed Matter Jan 27, 2025

Exploring a new qubit with the gemstone spinel

The gemstone spinel, known for its vibrant colors resembling gems such as rubies and sapphires, has now been shown to be capable of storing quantum information, making it a viable material in the field of quantum technology.

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