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Search results for single-qubit

Condensed Matter Jan 17, 2024

Researchers find evidence of long-lived valley states in bilayer graphene quantum dots

In quantum computing, the question as to what physical system and which degrees of freedom within that system may be used to encode quantum bits of information—qubits, in short—is at the heart of many research projects ...

Quantum Âé¶¹ÒùÔºics Jan 15, 2024

Solid-state qubits: Forget about being clean, embrace mess

New findings debunk previous wisdom that solid-state qubits need to be super dilute in an ultra-clean material to achieve long lifetimes. Instead, cram lots of rare-earth ions into a crystal, and some will form pairs that ...

Optics & Photonics Dec 18, 2023

'Teleporting' images across a network securely using only light

Nature Communications published research by an international team from Wits and ICFO- The Institute of Photonic Sciences, which demonstrates the teleportation-like transport of "patterns" of light—this is the first approach ...

Optics & Photonics Dec 14, 2023

A promising pairing: Scientists demonstrate new combination of materials for quantum science

Quantum information scientists are always on the hunt for winning combinations of materials, materials that can be manipulated at the molecular level to reliably store and transmit information. Following a recent proof-of-principle ...

Quantum Âé¶¹ÒùÔºics Dec 7, 2023

Âé¶¹ÒùÔºicists 'entangle' individual molecules for the first time, hastening possibilities for quantum computing

For the first time, a team of Princeton physicists have been able to link together individual molecules into special states that are quantum mechanically "entangled." In these bizarre states, the molecules remain correlated ...

Optics & Photonics Nov 30, 2023

Study finds more stable clocks could measure quantum phenomena, including the presence of dark matter

The practice of keeping time hinges on stable oscillations. In a grandfather clock, the length of a second is marked by a single swing of the pendulum. In a digital watch, the vibrations of a quartz crystal mark much smaller ...

Optics & Photonics Nov 21, 2023

Single ions in nano-sized particles: A new platform for quantum information processing

Processing quantum information relies on interacting qubits—the basic building blocks of quantum information—to perform computational tasks. Scientists are searching for the optimal qubit platform that can perform operations ...

Superconductivity Nov 6, 2023

The controllable splitting of a single Cooper pair in a hybrid quantum dot system

Cooper pairs are pairs of electrons in superconducting materials that are bound to each other at low temperatures. These electron pairs are at the root of superconductivity, a state where materials have zero resistance at ...

Optics & Photonics Nov 2, 2023

Optical fiber–based, single-photon light source at room temperature for next-generation quantum processing

Quantum-based systems promise faster computing and stronger encryption for computation and communication systems. These systems can be built on fiber networks involving interconnected nodes which consist of qubits and single-photon ...

Condensed Matter Oct 27, 2023

Scientists demonstrate electric control of atomic spin transitions

A new study published in Nature Communications delves into the manipulation of atomic-scale spin transitions using an external voltage, shedding light on the practical implementation of spin control at the nanoscale for quantum ...

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