News tagged with qubits
Related topics: quantum computing , quantum information
NIST Develops 'Dimmer Switch' for Superconducting Quantum Computing
(PhysOrg.com) -- Scientists at the National Institute of Standards and Technology have developed the first “dimmer switch” for a superconducting circuit linking a quantum bit (qubit) and a quantum bus—promising ...
Apr 27, 2010 |
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Combing a qubit: Optical frequency combs could tame quantum bits
Physicists at the University of Maryland have found a way to turn a precision measurement device into a versatile tool for manipulating quantum bits (qubits). The researchers adapted a device known as an optical ...
Apr 05, 2010 |
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Basic quantum computing circuit built
(PhysOrg.com) -- Exerting delicate control over a pair of atoms within a mere seven-millionths-of-a-second window of opportunity, physicists at the University of Wisconsin-Madison created an atomic circuit that may help quantum ...
Feb 25, 2010 |
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Digging deep into diamonds, physicists advance quantum science and technology
By creating diamond-based nanowire devices, a team at Harvard has taken another step towards making applications based on quantum science and technology possible.
Feb 14, 2010 |
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Turning down the noise in quantum data storage
Researchers who hope to create quantum computers are currently investigating various methods to store data. Nitrogen atoms embedded in diamond show promise for encoding quantum bits (qubits), but the process ...
Jan 19, 2010 |
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Physicists Solve Difficult Classical Problem with One Quantum Bit
(PhysOrg.com) -- Quantum information algorithms have the potential to solve some problems exponentially faster than current classical methods. However, most research on quantum information systems has concentrated ...
Jan 08, 2010 |
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Google Collaborates with D-Wave on Possible Quantum Image Search
(PhysOrg.com) -- Always on the cutting edge of new computing technologies, Google has recently announced that it is investigating the use of quantum computing schemes to achieve faster image recognition rates. ...
Dec 15, 2009 |
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Straightening messy correlations with a quantum comb
Quantum computing promises ultra-fast communication, computation and more powerful ways to encrypt sensitive information. But trying to use quantum states as carriers of information is an extremely delicate ...
Nov 23, 2009 |
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Scientists demonstrate 'universal' programmable quantum processor
Physicists at the National Institute of Standards and Technology have demonstrated the first "universal" programmable quantum information processor able to run any program allowed by quantum mechanics -- th ...
Nov 15, 2009 |
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Creating a six-qubit cluster state
(PhysOrg.com) -- Many scientists believe that quantum entanglement is required in order for effective quantum computing. Entanglement takes place when there is a connection that exists between two objects - even when they ...
Nov 02, 2009 |
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Building a better qubit: Combining 6 photons together results in highly robust qubits
Exploiting quantum mechanics for transmitting information is a tantalizing possibility because it promises secure, high speed communications. Unfortunately, the fragility of methods for storing and sending ...
Oct 05, 2009 |
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Physicists Investigate Unusual Four-Qubit Entanglement
(PhysOrg.com) -- For the first time, physicists have experimentally demonstrated a four-qubit bound-entangled state - a peculiar form of entanglement that cannot be distilled (optimized) by the usual means. ...
Sep 30, 2009 |
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Physicists make discovery in quantum mechanics
(Santa Barbara, Calif.) -- Physicists at UC Santa Barbara have made an important advance in quantum mechanics using a superconducting electrical circuit. The finding is reported in this week's issue of the journal Nature.
Sep 23, 2009 |
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Sustained quantum information processing demonstrated
Raising prospects for building a practical quantum computer, physicists at the National Institute of Standards and Technology have demonstrated sustained, reliable information processing operations on electrically ...
Aug 06, 2009 |
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Physicists find way to control individual bits in quantum computers
Physicists at the National Institute of Standards and Technology have overcome a hurdle in quantum computer development, having devised a viable way to manipulate a single "bit" in a quantum processor without ...
Jul 07, 2009 |
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