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IEEE Spectrum August 2006 Alexander Hellemans |
Engineering Warms To Frozen Light Separate groups in the U.S. and Europe say that they have built and successfully tested more compact, rugged, and efficient means of delaying light pulses. Their work may clear the way for applications in optical switching and quantum communications. |
Technology Research News March 24, 2004 Kimberly Patch |
Pulse trap makes optical switch Scientists who work with light pulses so short that one trillion of them pass by in a second are laying the groundwork for higher bandwidth communications and blazingly-fast, all-optical computer chips. |
Technology Research News December 31, 2003 Eric Smalley |
Light frozen in place Researchers at Harvard University have trapped and held a light pulse still for a few hundredths of a millisecond. |
Technology Research News February 11, 2004 Eric Smalley |
Light-storing chip charted Storing light, even briefly, was considered impossible until recently. Since scientists have proved it could be done, they've been finding different ways of accomplishing the feat. A proposal for slowing and stopping light in photonic crystal promises to bring these experiments to the chip level. |
IEEE Spectrum February 2009 Mark Anderson |
Two Steps Toward a Terabit Internet Nonlinear optics tricks bring terabit-per-second bandwidth within reach |
Military & Aerospace Electronics December 2005 |
European Company Optimizes Optical Fiber for High-Energy Amplification Liekki, a supplier of highly doped optical fibers in Finland, has developed an optical fiber for amplifying pulses from 1-micron lasers. |
Technology Research News April 6, 2005 Eric Smalley |
Scheme Reverses Light Pulses Researchers have developed a method for accurately time-reversing electromagnetic pulses, making it possible to receive a light pulse and return a replica of exactly the same size, shape and wavelength. |
Technology Research News November 17, 2004 Kimberly Patch |
Fibers Mix Light and Electricity Scientists have demonstrated that it is possible to make some semiconductor devices in optical fiber form. |
Technology Research News June 1, 2005 |
Lasers Built Into Fiber-Optics Researchers have crossed a gas-filled fiber optic laser with ordinary fiber optics to make a Raman laser and a frequency stabilizer -- devices that provide precise control of laser beams. |
Technology Research News June 1, 2005 Eric Smalley |
Movie Captures Trapped Light Slow light, once better understood, could be used to improve devices like sensors and optical communications equipment. Researchers have moved the field forward with a way to directly observe the phenomenon. |
Technology Research News March 10, 2004 Eric Smalley |
X-shape pulses hold together A team of researchers in Italy and Lithuanian has found that under certain conditions a pulse of light can form an X shape that does not spread out. |
Technology Research News October 22, 2003 |
Fiber handles powerful pulses Researchers from Cornell University and Corning, Inc. have shown that it's possible to preserve the shape, intensity and color of a very high-power light pulse as it travels through 200 meters of a fiber-optic cable. |
Technology Research News January 14, 2004 |
Fiber optics goes nano Researchers from Harvard University, Zhejiang University in China and Tohoku University in Japan have made glass optical fibers as thin as 50 nanometers that guide light without losing much of it. |
Technology Research News August 11, 2004 |
Twisted fiber filters light Researchers have devised a way to control light inside optical fiber communications lines. The method could enable faster data transmission rates in fiber-optic lines and new twists on devices like lasers and sensors. |
Technology Research News April 6, 2005 |
Trapped Light Pulses Interact Researchers at Harvard University have showed that light pulses can be trapped and held in a rubidium vapor and made to interact with one another. The method could eventually be used in quantum cryptographic and quantum computing schemes. |
Military & Aerospace Electronics February 2005 Adrian Carter |
New technology advances applications for high-power fiber lasers Since introduced by Nufern as a standard product in late 2002, LMA fibers have enabled a power-scaling revolution, and have produced near-diffraction-limited beam quality at powers approaching 1 kW and slope efficiencies of around 75 percent. |
Technology Research News November 5, 2003 Eric Smalley |
Crystal fiber goes distance Making fiber-optic lines that are hollow is one step toward more efficient telecommunications. Making lines that are full of holes goes further. Lots of regularly spaced holes bend light, which keeps it on the straight and narrow. |
Technology Research News November 19, 2003 Eric Smalley |
Switch promises optical chips Computers have historically been electronic rather than photonic because lightwaves, while great for sending signals over long distances, are controlled by equipment that has proven difficult to shrink to computer chip scale. The rise of photonic crystals promises to narrow the gap. |
Military & Aerospace Electronics March 2005 Sansone & Emslie |
Fiber sensing receives renewed interest History will remember optical-fiber technology as one of the truly great inventions of the 20th century: it is the driver behind the telecommunications revolution and the very backbone of the Internet, telephony, and Cable TV |
IEEE Spectrum March 2008 Saswato R. Das |
Physicists Make Artificial Black Hole Using Optical Fiber Scientists in Scotland say they have created a black hole's event horizon using laser pulses and microstructured optical fiber. |
Wired September 2000 Charles Platt |
Bright Switch A tiny crystal full of holes is about to smash the electronic speed limit, and in the coming photonics era, superfast optical networking is only the beginning. |
Technology Research News December 11, 2002 Kimberly Patch |
Laser pulses could speed memory Researchers from the Research Institute for Materials in the Netherlands and Siemens AG in Germany have found a way to switch a magnetic bit more quickly. The potential payoff is faster computer memory. |
Scientific American April 18, 2005 Kauffmann & van den Bosch |
CT Scan for Molecules Producing 3-d images of electron orbitals. |
Technology Research News November 19, 2003 |
Liquid Crystal Tunes Fiber Researchers have combined photonic crystal and liquid crystal to make an optical fiber whose properties can change according to temperature. The combination allows the researchers to change the properties of the light inside the fiber. |
IEEE Spectrum April 2011 Neil Savage |
Diodes Built Inside Fiber More complex nanocircuits possible, say engineers. |
IEEE Spectrum June 2009 Saswato Das |
Two-Laser Lithography Shrinks Transistors A new microscopy technique gets adapted for chipmaking |
Technology Research News March 10, 2004 |
Patterned fiber makes tiny scope Researchers from the University of Sydney in Australia have found a way to make an endoscope that's a dozen times smaller than today's 10-millimeter versions. The technology should make it possible to image areas that are inaccessible today. |
IEEE Spectrum October 2005 Paniccia & Koehl |
The Silicon Solution In the future, ordinary silicon chips will move data using light rather than electrons, unleashing nearly limitless bandwidth and revolutionizing computing |
CIO May 15, 2003 John Edwards |
Looking-Glass Fiber Don't look now, but a new low-loss optical fiber -- featuring a mirrored core -- can conduct an intense stream of laser light that would melt an ordinary fiber. |
Technology Research News September 10, 2003 Kimberly Patch |
Sponges grow sturdy optical fiber Primitive sea creatures from the murky depths are providing tips on how to improve one of the fundamental technologies of the information age -- optical fiber. Sea sponge spines act like fiber optics, but with some key advantages. |
CIO October 15, 2002 Bud Bates |
The Fiber-Glut Myth There may be lots of glass under the streets -- but a lot may not really be enough. |
Military & Aerospace Electronics October 2004 |
Fiber lasers emerge as strong competitor for future laser weapons They may be applied to jet fighters, land vehicles, and perhaps even man-portable systems. And they even have the potential to edge-out other solid-state laser approaches such as slab lasers and free-electron lasers. |
Military & Aerospace Electronics April 2005 |
Optoelectronics Briefs Breakthrough in solid-state laser technology... Fiber-optic field-simulation test instrument... TTL modulation added to photon devices... New high-power optical fiber... Light-sensitive camera... High-power multimode diode bar... Laser Diode earns ISO 9001:2000 certification... |
Industrial Physicist Eric Lerner |
Briefs Penetrating the fog... Plasma self-organization... Stronger than spider silk... Slow light... etc. |
Chemistry World December 6, 2006 Lionel Milgrom |
Surf's up for Unstable Electron Beams Controlling short high-energy bursts of plasma electrons is difficult. But now physicists in France have managed it, using a laser to inject electrons into the wake of a plasma wave created from a jet of helium gas. |
Technology Research News April 7, 2004 |
Fiber spun from nanotube smoke Researchers from the University of Cambridge in England have developed a relatively simple way to manufacture continuous fibers of carbon nanotubes. |
The Motley Fool May 25, 2005 Dan Bloom |
The Optical Fiber Glut Why is Corning still selling so much fiber? Investors, read on. |
Technology Research News April 6, 2005 |
Interference Scheme Sharpens Focus Researchers have found a way to improve the resolution of lithographic systems that could extend the lifetime of the manufacturing technique. Their proof-of-principal experiments show that the technique improves resolution by three times. |
Technology Research News March 9, 2005 |
Quantum Crypto Scheme Goes One-Way Quantum cryptography researchers from Toshiba Research have demonstrated a one-way quantum key distribution system that automatically compensates for phase drift. |
Chemistry World August 23, 2006 Simon Hadlington |
Laser Light Cast on Quantum Evolution Researchers have demonstrated for the first time why a technique called coherent control is able to break molecular bonds selectively using finely-tuned pulses of laser light. |
IEEE Spectrum October 2005 Anna Basanskaya |
Electricity Over Glass Photonic Power offers the option of measuring high currents by placing a transducer directly on the line, obviating the use of transformers to overcome voltage differences, as the power-over-fiber system converts electricity directly to light. |
Chemistry World June 21, 2012 Simon Hadlington |
'Atomic traffic jam' sheds light on phase changes The prospect of a new generation of electronic computer memory devices based on metallic alloys that can switch between crystalline and amorphous phases has moved a step closer with two new pieces of research. |
Chemistry World November 11, 2011 Charlie Quigg |
Invisible ink for the 21st century Scientists from China have developed a new lithographic printing technique to layer a pattern onto photonic paper. |
CIO October 1, 2002 John Edwards |
It Reflects Well On You MIT researchers have created high-performance mirrors in the shape of hairlike flexible fibers that can be woven into cloth or incorporated into paper. The technology could one day reside in clothing with an embedded reflective code or in protective gear for emergency personnel. |
Military & Aerospace Electronics January 2009 Todd Stocker |
Getting More Out of Today's Pulse/Pattern Generators Modern pulse/pattern generators give users a lot of control over the signals they create. Going beyond basic settings will allow designers and test engineers to better match outputs to application needs and improve test results. |
CIO February 15, 2002 Christopher Lindquist |
Fiber All the Way Primarion is developing optical packaging technology and a fast power supply to support connecting processors, memory and other components with high-speed, inexpensive optical links. |
Industrial Physicist Jennifer Ouellette |
Seeing with Sound Acoustic microscopy is making inroads into areas such as materials characterization, biology, and medical diagnosis, and giving researchers yet another valuable tool in their imaging arsenal. |
Military & Aerospace Electronics April 2008 |
Aculight Offers Telesto Pulsed Fiber Lasers for Surveillance and Mapping The Telesto family of pulsed fiber lasers are perfect for applications such as laser radar (LADAR), surveillance, mapping, and nonlinear optics conversion. |
Technology Research News June 18, 2003 |
Practical nanotube fiber near Spider silk, a product of 400 million years of evolution, stops insects on the wing because it is five times tougher than steel. Scientists working with carbon nanotubes are looking to surpass the strength of spider line. |
Industrial Physicist Eric Lerner |
Briefs Subfemtosecond control... Three-dimensional, time-resolved videos of turbulent motion are starting to illuminate the process of intermittent intense turbulence... New research shows that not only can micromachines work in a vacuum, they can work much better than in air... |