News tagged with quantum logic
Quantum computer components 'coalesce' to 'converse'
(PhysOrg.com) -- If quantum computers are ever to be realized, they likely will be made of different types of parts that will need to share information with one another, just like the memory and logic circuits ...
Oct 26, 2011 |
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Single magnesium ion brought to standstill by means of novel, simple laser cooling
Quantum logic is quite a new and absolutely fascinating field of physics and might – ultimately – lead to the fabrication of a quantum computer. And it could also aid the search for the "theory of ...
Sep 29, 2011 |
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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 ...
Aug 31, 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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Physicists calculate how to make atomic clocks super-accurate
(PhysOrg.com) -- When it comes to atomic clocks, every second counts. In fact, according to Marianna Safronova, every quintillionth of a second counts.
Jun 02, 2011 |
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Physicists demonstrate teleportation-based optical quantum entangling gate
(PhysOrg.com) -- Taking a step toward the realization of futuristic quantum technologies, a team of physicists from China and Germany has demonstrated a key element – an entangling gate – of a quantum ...
Dec 08, 2010 |
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Pair of aluminum atomic clocks reveal Einstein's relativity at a personal scale
Scientists have known for decades that time passes faster at higher elevations—a curious aspect of Einstein's theories of relativity that previously has been measured by comparing clocks on the earth's surface ...
Sep 23, 2010 |
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Physicists set guidelines for qubit candidates
(PhysOrg.com) -- To build a quantum computer, it's essential to be able to quickly and efficiently manipulate the quantum states of qubits. The qubits, which are the basic unit of quantum information, can be composed of many ...
May 04, 2010 |
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HP Labs find memristors can compute (w/ Video)
(PhysOrg.com) -- Researchers at HP Labs, the central research arm of HP, have discovered that a resistor with memory, a “memristor” can also perform logic operations. This means chips storing data may also ...
Apr 09, 2010 |
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'Quantum Logic Clock' Based on Aluminum Ion is Now World's Most Precise Clock (w/ Video)
(PhysOrg.com) -- Physicists at the National Institute of Standards and Technology have built an enhanced version of an experimental atomic clock based on a single aluminum atom that is now the world’s most ...
Feb 04, 2010 |
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Giant Rydberg atoms confined in a micro-glass cell
Rydberg atoms are highly sensitive atoms, as one electron is only loosely bound. Compared to 'normal' atoms which are one tenth of a nanometer in size those giant atoms are ~100 nanometers large. Due to their sensitivity ...
Jan 14, 2010 |
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Researchers simplify fabrication of nano storage, chip-design tools
Advances by the Rice University lab of James Tour have brought graphite's potential as a mass data storage medium a step closer to reality and created the potential for reprogrammable gate arrays that could ...
Sep 09, 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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Physicist takes a quantum leap
(PhysOrg.com) -- A University of Queensland physicist is seeking answers to a persistent problem throughout human history: how do I compute things? None, however, have had the same impact as what we today know as simply the ...
Jul 06, 2009 |
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Scientists demonstrate all-fiber quantum logic
A team of physicists and engineers have demonstrated all-fibre quantum logic, where single photons are generated and used to perform the controlled-NOT quantum logic gate in optical fibres with high fidelity.
May 28, 2009 |
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