News tagged with optical
Discovery brings new type of fast computers closer to reality
Sep 27, 2009 |
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Physicists at UC San Diego have successfully created speedy integrated circuits with particles called "excitons" that operate at commercially cold temperatures, bringing the possibility of a new type of extremely ...
Two Retinal Imaging Display Devices at Prototype Stage
Electronics / Consumer & Gadgets
Oct 30, 2009 |
4.9 / 5 (28) |
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(PhysOrg.com) -- NEC and Brother are both developing wearable prototype devices that use Retinal Imaging Display (RID) technology to project images directly on the wearer's retina. NEC's gadget is designed ...
Scientists discover quantum fingerprints of chaos
Oct 07, 2009 |
4.8 / 5 (28) |
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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.
Exerting better control over matter waves
Mar 27, 2009 |
4.6 / 5 (29) |
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(PhysOrg.com) -- “The concept of matter waves is at the heart of quantum mechanics,” Oliver Morsch tells PhysOrg.com. “At the beginning of the last century, scientists discovered that solid particles could exhibit proper ...
Bell Labs breaks optical transmission record, 100 Petabit per second kilometer barrier
Sep 29, 2009 |
4.9 / 5 (27) |
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Alcatel-Lucent today announced that scientists in Bell Labs, the company’s research arm, have set a new optical transmission record of more than 100 Petabits per second.kilometer (equivalent to 100 million Gigabits per second.kilometer). ...
World's smallest semiconductor laser heralds new era in optical science
Aug 30, 2009 |
4.8 / 5 (25) |
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(PhysOrg.com) -- Researchers at the University of California, Berkeley, have reached a new milestone in laser physics by creating the world's smallest semiconductor laser, capable of generating visible light ...
New nanolaser -- spaser -- key to future optical computers and technologies
Aug 16, 2009 |
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(PhysOrg.com) -- Because the new device, called a "spaser," is the first of its kind to emit visible light, it represents a critical component for possible future technologies based on "nanophotonic" circuitry, ...
Atomtronic transistor and diode could advance quantum computing
Oct 09, 2009 |
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(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 ...
General Electric Develops a 500GB Optical Disc
Electronics / Consumer & Gadgets
Apr 27, 2009 |
4.7 / 5 (21) |
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(PhysOrg.com) -- G.E. has unveiled a 500 GB micro-holographic disc that is the same size as existing DVD's. The storage capacity is equivalent to 100 DVD's and is aimed at the archive industry but eventually ...
Scientists Create Light-Bending Nanoparticles
Nanotechnology / Nanomaterials
Mar 03, 2009 |
4.5 / 5 (20) |
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(PhysOrg.com) -- Metallic nanoparticles and other structures can manipulate light in ways that are not possible with conventional optical materials. In a recent example of this, Rice University researchers ...
Quantum gas microscope offers glimpse of quirky ultracold atoms
Nov 04, 2009 |
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(PhysOrg.com) -- Physicists at Harvard University have created a quantum gas microscope that can be used to observe single atoms at temperatures so low the particles follow the rules of quantum mechanics, ...
Manipulating light on a chip for quantum technologies
Jun 05, 2009 |
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(PhysOrg.com) -- A team of physicists and engineers at Bristol University has demonstrated exquisite control of single particles of light — photons — on a silicon chip to make a major advance towards long-sought-after ...
Transparent Carbon Nanotube Films Likely Successor to ITO for Commercial Applications
Nanotechnology / Nanomaterials
Apr 10, 2009 |
4.5 / 5 (19) |
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(PhysOrg.com) -- Will the legacy of Nobel prize winner Richard Smalley finally be fulfilled? Ever since his pioneering work in the mid 1990's on the synthesis of carbon nanotubes, companies have been struggling ...
Five-Dimensional DVD Could Hold Data of 30 Blu-ray Discs
May 21, 2009 |
4.4 / 5 (18) |
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(PhysOrg.com) -- While many people think that Blu-ray will replace DVDs in the near future, a new study shows that DVDs may still have a lot to offer. Researchers have designed a five-dimensional DVD that ...
Presto! Fast color-changing material may lead to more powerful computers (w/Video)
Apr 23, 2009 |
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(PhysOrg.com) -- Researchers in Japan are reporting development of a new so-called "photochromic" material that changes color thousands of times faster than conventional materials when exposed to light.
