News tagged with optical physics
Tailoring the optical dipole force for use on molecules
(PhysOrg.com) -- "Scientists have been working with dipole fields for quite some time," Peter Barker tells PhysOrg.com. "However, most of the work is focused on very small particles, like atoms, or on larger particles, such a ...
Oct 29, 2009 |
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Breakthrough with light could help viral research
(PhysOrg.com) -- Researchers have developed a method using the force of light to gently trap, manipulate and study tiny, active objects as miniscule as viruses -- opening doors to expanded viral research.
Oct 20, 2009 |
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Atomtronic transistor and diode could advance quantum computing
(PhysOrg.com) -- What if atoms could be used to perform the functions currently the province of electronic devices? The goal of atomtronics is to do just that by creating analogues to the common items found in electronic ...
Oct 09, 2009 |
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Scientists discover quantum fingerprints of chaos
Chaotic behavior is the rule, not the exception, in the world we experience through our senses, the world governed by the laws of classical physics.
Oct 07, 2009 |
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'Masters of light' win Nobel Physics Prize
Charles Kao, Willard Boyle and George Smith won the 2009 Nobel Physics Prize Tuesday for pioneering "masters of light" work on fibre optics and semiconductors, the Nobel jury said.
Oct 06, 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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Nanotechnology gets a new light touch
(PhysOrg.com) -- Building the super-fast computers of the future has just become much easier thanks to an advance by Australian researchers that lets them grab hold of tiny electronics components and probe ...
Oct 02, 2009 |
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Physicists Explain How Human Eyes Can Detect Quantum Effects
(PhysOrg.com) -- By greatly amplifying one photon from an entangled photon pair, physicists have theoretically shown that human eyes can be used as detectors to observe quantum effects. Usually, detecting ...
Sep 29, 2009 |
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New interferometer could simplify materials research
(PhysOrg.com) -- “Most current hard x-ray interferometers are based on crystals, which require their high quality and high mechanical stability,” Anatoly Snigirev tells PhysOrg.com. “This can make x-ray interferometry quite ...
Aug 13, 2009 |
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Ytterbium gains ground in quest for next-generation atomic clocks
An experimental atomic clock based on ytterbium atoms is about four times more accurate than it was several years ago, giving it a precision comparable to that of the NIST-F1 cesium fountain clock, the nation's ...
Aug 11, 2009 |
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Research looks at how light and matter behave around black holes, other celestial objects
Dr. Dentcho Genov, an assistant professor of physics and electrical engineering at Louisiana Tech University and a Louisiana Optical Network Initiative (LONI) Institute fellow, is featured in the most recent issue of Nature Ph ...
Jul 22, 2009 |
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Quantum measurements: Common sense is not enough
(PhysOrg.com) -- In comparison to classical physics, quantum physics predicts that the properties of a quantum mechanical system depend on the measurement context, i.e. whether or not other system measurements ...
Jul 22, 2009 |
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Researchers Set New Distance Record for Quantum Key Distribution
(PhysOrg.com) -- Quantum key distribution (QKD) could be the next commercial success of quantum physics, and a recent study has taken the field a step closer to this reality. Researchers from the University ...
Jul 21, 2009 |
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Testing relativity in the lab
Even Albert Einstein might have been impressed. His theory of general relativity, which describes how the gravity of a massive object, such as a star, can curve space and time, has been successfully used to ...
Jul 20, 2009 |
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Living fossils hold record of 'supermassive' kick
The tight cluster of stars surrounding a supermassive black hole after it has been violently kicked out of a galaxy represents a new kind of astronomical object and a fossil record of the kick.
Jul 09, 2009 |
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