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Technology Research News September 8, 2004 |
Photonic Crystal Throttles Light Researchers have showed that the spacing of a photonic crystal can be used to control the timing of light emitted by a quantum dot. |
Technology Research News July 28, 2004 Eric Smalley |
Photonic chips go 3D Computer chips made from photonic crystal promise better communications equipment and ultrafast, all-optical computers |
Technology Research News July 2, 2003 |
Tiny T splits light Researchers at the Swiss Federal Institute of Technology have designed a compact photonic crystal multiplexer that splits a lightwave into two slightly different colors. |
Technology Research News August 25, 2004 |
Nanocrystals Spark Efficient LEDs Researchers have found a way to make highly efficient light-emitting diodes from nanocrystals, or tiny bits of semiconductor. |
Technology Research News June 15, 2005 |
Lens Boosts LED Efficiency One-fifth of the electricity consumed in the U.S. is used for lighting. Researchers have come up with a way to boost light emitted from white light-emitting diodes by as much as 60%. |
Technology Research News March 24, 2004 |
Irregular layout sharpens light Aperiodic photonic crystal could improve devices that shape, detect and filter light, including communications devices like photodetectors, demultiplexers, which sort wavelengths of light, and channel drop filters, which filter out different wavelengths. |
Technology Research News November 3, 2004 |
Photonic Crystal Lasers Juiced Researchers have made a photonic crystal laser that is driven by electric current. The device could eventually be used as a source of single photons for quantum cryptography and communications devices. |
Technology Research News June 18, 2003 Eric Smalley |
Chip sorts colors The simple concept of proportionality is the key to a significant advance in the emerging field of integrated optics -- chips that control light rather than electricity. |
Technology Research News February 9, 2005 |
Lens design promises tight spots A new photonic crystal lens can focus near-field light to a spot one-quarter of the light's wavelength. The device can be used to make smaller, faster computer chips and memory. It could also be used in super-resolution microscopes. |
Technology Research News February 11, 2004 |
Magnets tune photonic crystal Researchers from Fudan University in China have found that it is possible to use a magnetic field to quickly shift or block certain frequencies of electromagnetic signals passing through photonic crystals made from semiconductor material. |
Technology Research News October 6, 2004 |
Crystal structure tunes nanowires A new process that controls the crystal structure of nanowires made from specific semiconductors may enable electronic components, such as light-emitting diodes and laser diodes, with tunable properties. |
Technology Research News June 16, 2004 |
Scheme Optimizes Light Chips Researchers have borrowed a design tool developed for mechanical engineering to improve the efficiency of nano-size optical waveguides. |
Technology Research News March 10, 2004 Eric Smalley |
Red wine mends solar cells Researchers from the University of Toledo have found a way to increase energy production using red wine. |
Technology Research News June 1, 2005 |
Nano LEDs Made Easier Researchers have devised a relatively simple method of making arrays of nanoscale light-emitting diodes. The light-emitting diodes could eventually be used in lasers and in nanoscale lamps used in sensors and microscopes, according to the researchers. |
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 February 2012 Neil Savage |
Nanostructures Catch the Light Razor-thin solar cells could be cheap but need a little help holding light in |
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 July 14, 2004 |
Ultraviolet powers pixels The technology could lead to a wide range of computer and television screens that are ten times more efficient than LCDs, according to the researchers. |
Technology Research News August 27, 2003 |
Crystal shortens infrared waves Researchers from Sandia National Laboratories have found a way to make a tungsten photonic crystal emit 1.5 micron lightwaves, which are in the near-infrared, or heat range. This makes it useful for thermal photovoltaic devices, which turn heat into electricity. |
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 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. |
Technology Research News June 4, 2003 Eric Smalley |
Shock waves tune light Researchers from the Massachusetts Institute of Technology have used a computer simulation to show that sending shock waves through photonic crystals could lead to faster and cheaper telecommunications devices, more efficient solar cells, and advances in quantum computing. |
IEEE Spectrum February 2006 Holonyak & Feng |
The Transistor Laser Ultrafast transistors that output optical and electrical signals open a new computing frontier. |
Chemistry World November 17, 2014 James Urquhart |
Beetle behind breath test for bank notes Simply breathing on money could soon reveal if it's the real deal or counterfeit thanks to a beetle-inspired ink that reversibly changes color in response to humidity. |
The Motley Fool August 5, 2010 Eric Wesoff |
Can a Disruptive PV Technology Topple First Solar? We list a few candidates for a "new black swan improbable pyro-nano-quantum-thingamajig technology" to displace thin-film PV. |
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 November 19, 2003 |
Stamp Forms Organic Laser Researchers have found a class of materials that promises to improve organic electronic components like lasers, light-emitting diodes, and waveguides. Light-emitting diodes are a key component of computer screens, and waveguides channel light. |
Chemistry World May 2, 2010 Mike Brown |
OLETs have bright future in electronic lasers Scientists in Italy have developed organic light-emitting transistors that are more efficient light sources than organic light-emitting diodes, and could be used in much sought after electrically pumped organic laser devices. |
Chemistry World October 31, 2011 Jon Cartwright |
Organic LEDs set to become displays' flexible friend Researchers in Canada have created organic light-emitting diodes on flexible plastic substrates that retain the high efficiency of their non-flexible counterparts. |
Technology Research News December 29, 2004 |
LED Array Turned Into Touch Button This researcher is using a grid of light-emitting diodes, which are widely used as light sources, as an input device. |
IEEE Spectrum February 2006 Justin Mullins |
Butterfly Effect The structure that makes one LED researcher's device so special has recently been found to be similar to a sophisticated method of manipulating light discovered in the African swallowtail butterfly Princeps nireus. |
Chemistry World November 23, 2007 Jonathan Edwards |
OLED Chemists Have a Bright Idea Organic light-emitting diodes (OLEDs) can be made more cheaply and easily thanks to a new molecule made by Chinese chemists. |
Military & Aerospace Electronics January 2008 |
Global Market for Photonic Crystals Set for High Growth Through 2013 The market segments are applications of light emission, information technology, optical sensing, energy conversion, light energy delivery, and other applications. |
Military & Aerospace Electronics January 2006 |
Surface-Mount RGB LED for High-Intensity Colors LEDtronics is offering the SML505RBG1K-TR low-profile surface-mount red, green, and blue light-emitting diode (RGB LED), which provide high visibility in a size of 5.5 by 5.5 millimeters. |
Technology Research News November 19, 2003 |
Plastic display circuit shines Researchers from the University of Tokyo have taken a step forward by fabricating on a glass surface a circuit that contains an organic light-emitting diode and an organic thin-film transistor. The diode was bright enough to be used in a display, according to the researchers. |
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 April 9, 2003 |
Liquid crystals go 3D Researchers from Sheffield University in England and the University of Pennsylvania have unlocked some of the secrets of liquid crystals, materials that self-assemble into lattices of geometric shapes that are neither solid nor liquid, but somewhere between. |
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. |
IEEE Spectrum October 2005 Salvatore Coffa |
Light From Silicon For decades, silicon was a semiconducting dim bulb, but now we can make it into LEDs that match the best made from more exotic materials |
PC Magazine May 4, 2004 Alfred Poor |
What's New With Displays Our guide explains state-of-the-art display technology and looks ahead. |
Technology Research News April 7, 2004 Eric Smalley |
Angle speeds plastic transistor Going with the flow is a good way to pick up speed, particularly for plastic transistors. Rotating the crystal 180 degrees can change the transistor's performance by as much as 3.5 times. |
Reactive Reports December 2006 David Bradley |
Biomolecules Out on a Wing Photonic crystals give butterflies their beautiful colors and synthetic versions are now being developed for a range of technological applications. |
Chemistry World April 18, 2011 Kate McAlpine |
Shaping crystals with bio-tools Researchers in the US have developed a new approach for controlling crystal growth, borrowing tools from biology. |
Chemistry World May 19, 2011 Jon Cartwright |
Liquid crystals spot bacteria to order Liquid crystals could one day be used as bio-sensors, detecting the presence of minute amounts of pathogens. That is the claim of a US group of researchers, who have demonstrated how a liquid crystal changes orientation in the presence of bacteria. |
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. |
InternetNews August 3, 2010 |
Tech Firms Split on Paying for Security Flaws Some major IT firms have made it a standard practice to pay security researchers for bringing vulnerabilities to their attention, while others have a strict prohibition against it. What accounts for the divide? |
Technology Research News February 9, 2005 |
Silicon nanocrystal transistor shines A nanocrystal field-effect light-emitting device (FELED) could be used to integrate light sources on computer chips. This would allow the light sources and control circuits of display and communications device to be fabricated together, making for a faster, cheaper manufacturing process. |
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. |
Chemistry World April 28, 2011 Mike Brown |
Carbon nanotubes in large panel displays US researchers have incorporated carbon nanotubes into organic light-emitting transistors to create devices that rival the performance of their silicon counterparts. |
Technology Research News November 5, 2003 |
Rig fires more photon pairs Massachusetts Institute of Technology researchers have moved the field of quantum communications forward with entangled photon beams that contain specific wavelengths of light and are relatively bright. |