Search results for single-qubit

Quantum Physics Jan 17, 2026

Detecting single-electron qubits: Microwaves could probe quantum states above liquid helium

One intriguing method that could be used to form the qubits needed for quantum computers involves electrons hovering above liquid helium. But it wasn't clear how data in this form could be read easily.

Optics & Photonics Jan 15, 2026

Efficient cooling method could enable chip-based quantum computers

Quantum computers could rapidly solve complex problems that would take the most powerful classical supercomputers decades to unravel. But they'll need to be large and stable enough to efficiently perform operations. To meet ...

Optics & Photonics Jan 14, 2026

Neutral-atom arrays, a rapidly emerging quantum computing platform, get a boost from researchers

For quantum computers to outperform their classical counterparts, they need more quantum bits, or qubits. State-of-the-art quantum computers have around 1,000 qubits. Columbia physicists Sebastian Will and Nanfang Yu have ...

Optics & Photonics Jan 13, 2026

Scientists realize a three-qubit quantum register in a silicon photonic chip

Quantum technologies are highly promising devices that process, transfer or store information leveraging quantum mechanical effects. Instead of relying on bits, like classical computers, quantum devices rely on entangled ...

Quantum Physics Jan 6, 2026

Solving quantum computing's longstanding 'no cloning' problem with an encryption workaround

A team of researchers at the University of Waterloo have made a breakthrough in quantum computing that elegantly bypasses the fundamental "no cloning" problem. The research, "Encrypted Qubits can be Cloned," appears in Physical ...

Condensed Matter Jan 5, 2026

Metal–metal bonded molecule achieves stable spin qubit state, opening path toward quantum computing materials

Researchers at Kumamoto University, in collaboration with colleagues in South Korea and Taiwan, have discovered that a unique cobalt-based molecule with metal–metal bonds can function as a spin quantum bit (spin qubit)—a ...

Quantum Physics Jan 5, 2026

Fault-tolerant quantum computing: Novel protocol efficiently reduces resource cost

Quantum computers, systems that process information leveraging quantum mechanical effects, could soon outperform classical computers on some complex computational problems. These computers rely on qubits, units of quantum ...

Optics & Photonics Dec 23, 2025

Ultrafast fluorescence pulse technique enables imaging of individual trapped atoms

Researchers at the ArQuS Laboratory of the University of Trieste (Italy) and the National Institute of Optics of the Italian National Research Council (CNR-INO) have achieved the first imaging of individual trapped cold atoms ...

Quantum Physics Dec 20, 2025

Quantum entanglement could connect drones for disaster relief, bypassing traditional networks

Any time you use a device to communicate information—an email, a text message, any data transfer—the information in that transmission crosses the open internet, where it could be intercepted. Such communications are also ...

Quantum Physics Dec 18, 2025

Scientists build a quantum computer that can repair itself using recycled atoms

Like their conventional counterparts, quantum computers can also break down. They can sometimes lose the atoms they manipulate to function, which can stop calculations dead in their tracks. But scientists at the US-based ...

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