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Optics & Photonics Feb 20, 2025

Microwave-to-optics transduction: Research demonstrates readout technique for superconducting qubits

Joint research demonstrating the ability to readout superconducting qubits with an optical transducer was published in Nature Âé¶¹ÒùÔºics.

Quantum Âé¶¹ÒùÔºics Feb 19, 2025

What is quantum coherence?

We say a message is incoherent when we can't make it out, or when it doesn't make sense. A scribbled note, a drunken argument or a conversation taking place five tables down in a crowded cafe might all be incoherent. In general, ...

Quantum Âé¶¹ÒùÔºics Feb 18, 2025

Doubling down on a century-old math formula unlocks more controllable qubits

Âé¶¹ÒùÔºicists have found a simple and effective way to skip over an energy level in a three-state system, potentially leading to increased quantum computational power with fewer qubits.

Optics & Photonics Feb 11, 2025

Âé¶¹ÒùÔºicists 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 ...

Quantum Âé¶¹ÒùÔºics 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 Âé¶¹ÒùÔºics 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 Âé¶¹ÒùÔºics 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 Âé¶¹ÒùÔºics Feb 5, 2025

Quantum algorithm distributed across multiple processors for the first time—paving the way to quantum supercomputers

In a milestone that brings quantum computing tangibly closer to large-scale practical use, scientists at Oxford University Âé¶¹ÒùÔºics have demonstrated the first instance of distributed quantum computing.

Quantum Âé¶¹ÒùÔºics Feb 4, 2025

Collaboration uncovers how gravity influences qubits

A collaboration between Nordita, the Nordic Institute for Theoretical Âé¶¹ÒùÔºics, hosted by Stockholm University, KTH and Google Quantum AI explores how gravitational fields influence quantum computing hardware, laying the foundation ...

Quantum Âé¶¹ÒùÔºics 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.

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