Search results for qubits

Quantum Physics Jul 2, 2014

Superconducting-silicon qubits: Using a bottom-up approach to make hybrid quantum devices

Theorists propose a way to make superconducting quantum devices such as Josephson junctions and qubits, atom-by-atom, inside a silicon crystal. Such systems could combine the most promising aspects of silicon spin qubits ...

Quantum Physics Jun 6, 2014

Electrical control of nuclear spin qubits

Researchers of Karlsruhe Institute of Technology (KIT) and their French partners succeeded in making an important step towards quantum computers. Using a spin cascade in single-molecule magnet, the scientists demonstrated ...

Quantum Physics Apr 2, 2014

A cure for clashing qubits: Researchers successfully entangle different-color photons

(Phys.org) —While two-photon interference is an important way of entangling independent identical photons, it does not handle different-color photons with the same aplomb. Recently, scientists at the University of Science ...

Quantum Physics Jan 14, 2013

New qubit control bodes well for future of quantum computing

(Phys.org)—Yale University scientists have found a way to observe quantum information while preserving its integrity, an achievement that offers researchers greater control in the volatile realm of quantum mechanics and ...

Quantum Physics Oct 9, 2012

Topological superconductors: Seeking a robust home for qubits

(Phys.org)—If quantum computers are ever going to perform all those expected feats of code-breaking and number crunching, then their component qubits—-tiny ephemeral quantum cells held in a superposition of internal states—-will ...

Quantum Physics Oct 4, 2012

Researchers devise a means to 'gently' measure qubit without destroying superposition

(Phys.org)—As understood in the field of quantum mechanics, objects are able to exist in more than one state at a time, a property known as superposition. Measuring such states is a challenge however, as doing so causes ...

Quantum Physics Sep 10, 2012

Qubits in the quantum sea

(Phys.org)—"Quantum weirdness," a phrase related to the power and the un-intuitive nature of quantum reality, is expected to facilitate speeded-up computation—quantum computing—for performing certain specialized tasks, ...

Quantum Physics Jul 30, 2012

Qubits that never interact could exhibit past-future entanglement

(Phys.org) -- Typically, for two particles to become entangled, they must first physically interact. Then when the particles are physically separated and still share the same quantum state, they are considered to be entangled. ...

General Physics Mar 21, 2012

Researchers engineer molecular magnets to act as long-lived qubits

(PhysOrg.com) -- Some physicists today are investigating the possibility of using molecular magnets as information storage units in future quantum computers. Molecular magnets are molecules whose magnetic moments prefer to ...

Quantum Physics Aug 31, 2011

NIST achieves record-low error rate for quantum information processing with one qubit

(PhysOrg.com) -- Thanks to advances in experimental design, physicists at the National Institute of Standards and Technology (NIST) have achieved a record-low probability of error in quantum information processing with a ...

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