News tagged with qubits
Related topics: quantum computing , quantum information
Chinese group breaks distance record for teleporting qubits
(Phys.org) -- A team of Chinese physicists has broken the distance record for teleporting qubits, extending it from 16 to 97 kilometers. They did so, as they explain in their paper uploaded to the preprint ...
May 14, 2012 |
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Physicists benchmark quantum simulator with hundreds of qubits
Physicists at the National Institute of Standards and Technology have built a quantum simulator that can engineer interactions among hundreds of quantum bits (qubits) -- 10 times more than previous devices. ...
Apr 25, 2012 |
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Trade-off coding for quantum communication provides more benefits than previously thought
(Phys.org) -- In optical communication systems, the overall performance depends on the strategy used to transmit photons from one location to another. In previous attempts to optimize this performance, scientists ...
Apr 16, 2012 |
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Researchers demonstrate entanglement of two quantum bits inside of a semiconductor
(Phys.org) -- Research into quantum bits (qubits) for use in a quantum computer has become tied to entanglement, the still mysterious phenomenon whereby subatomic particles exist in an entangled state such that any change ...
Apr 13, 2012 |
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Quantum control protocols could lead to more accurate, larger scale quantum computations
A protocol for controlling quantum information pioneered by researchers at UC Santa Barbara, the Kavli Institute of Nanoscience in Delft, the Netherlands, and the Ames Laboratory at Iowa State University could ...
Apr 04, 2012 |
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Quantum information motion control is now improved
Physicists have recently devised a new method for handling the effect of the interplay between vibrations and electrons on electronic transport. Their paper is about to be published in the European Physical Journal B. This s ...
Apr 03, 2012 |
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How the alphabet of data processing is growing: Research team generates flying 'qubits'
The alphabet of data processing could include more elements than the "0" and "1" in future. An international research team has achieved a new kind of bit with single electrons, called quantum bits, or qubits. ...
Mar 21, 2012 |
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Keeping it together: Protecting entanglement from decoherence and sudden death
(PhysOrg.com) -- Decoherence can be metaphorically seen as a quantum fall from grace: When quantum bits, or qubits, are in superposition – such as a single qubit simultaneously having both 1 and 0 values ...
Feb 27, 2012 |
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Researchers conduct experimental implementation of quantum algorithm
(PhysOrg.com) -- Researchers at D-Wave Systems have carried out a calculation involving 84 qubits on an experimental quantum computer, giving some credence to the plausibility of true quantum computers being ...
Jan 12, 2012 |
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Progress in quantum computing, qubit by qubit
(PhysOrg.com) -- Engineers and physicists at Harvard have managed to capture light in tiny diamond pillars embedded in silver, releasing a stream of single photons at a controllable rate.
Oct 10, 2011 |
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Physicists move one step closer to quantum computer
Rice University physicists have created a tiny "electron superhighway" that could one day be useful for building a quantum computer, a new type of computer that will use quantum particles in place of the digital ...
Oct 04, 2011 |
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Large scale qubit generation for quantum computing
(PhysOrg.com) -- "Many people are trying to build a quantum computer," Olivier Pfister tells PhysOrg.com. "One to the problems, though, is that you need hundreds of thousands of qubits. So far, scalability has been someth ...
Jul 27, 2011 |
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Breakthrough in quantum computing: Resisting 'quantum bug'
Scientists have taken the next major step toward quantum computing, which will use quantum mechanics to revolutionize the way information is processed.
Jul 20, 2011 |
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Physicists take steps toward delivering quantum information to the home
(PhysOrg.com) -- Today, fiber optics technology transports information in the form of classical data to homes and businesses. But researchers are currently working on ways to combine quantum data with the ...
Jul 18, 2011 |
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Optical circuit enables new approach to quantum technologies
Professor Jeremy O'Brien, Director of the University of Bristol's Centre for Quantum Photonics, and his Japanese colleagues have demonstrated a quantum logic gate acting on four particles of light -- photons. The researchers ...
Jun 24, 2011 |
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