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silicon News
Brown Team Creates 'Impossible' Silicon Laser
Nov 21, 2005 — PROVIDENCE, R.I., Nov. 21 -- Silicon has made its way into everything from computers to cameras. But a silicon laser? Physically impossible -- until now. Since the creation of the first working laser -- a ruby model made in 1960 -- scientists have fashioned these light sources using substances from neon to sapphire. Silicon, however, was not considered a candidate. Its structure would not allow for the proper lineup of electrons needed to get this semiconductor to emit light. But a trio of...
IBM Scientists 'Slow Light' to Improve Optical Communications
Nov 3, 2005 — YORKTOWN HEIGHTS, N.Y., Nov. 3 -- IBM today announced its researchers have used photonic crystal technology to "slow light," a process that could lead to the use of light instead of electricity in the connection of electronic components and optical...
IBM Scientists 'Slow Light' to Improve Optical Communications
Nov 3, 2005 — YORKTOWN HEIGHTS, N.Y., Nov. 3 -- IBM today announced its researchers have used photonic crystal technology to "slow light," a process that could lead to the use of light instead of electricity in the connection of electronic components and optical...
Have Silicon Lasers Come of Age?
Nov 1, 2005 — Compound semiconductors have long been the workhorse for light generation and amplification in optoelectronic devices, whereas silicon has been the de facto standard for electronic integrated circuits. Driven by the material’s cost advantage,...
Silicon Lasers Poised for Multiple Applications
Nov 1, 2005 — It traditionally has been considered impossible to make a laser from silicon because it is an indirect bandgap semiconductor. Using a silicon waveguide fabricated with standard CMOS technology, Intel Corp. researchers recently demonstrated the first...
Innovation Helps 'Enlighten' Silicon Chips
Oct 28, 2005 — STANFORD, Calif., Oct. 28 -- Electrical engineers at Stanford University have invented a key component that can easily be built into chips to break up a laser beam into billions of bits of data (zeroes and ones) per second. This could help chips...
News Briefs
Oct 28, 2005 — Albis Optoelectronics AG, a manufacturer of photodiodes for fiber optic datacom and telecom applications, has named Rene Regez, CEO of Coma Service AG, as president of its board. Franz Richter, former CEO of Suss Microtech and current CEO of Unaxis...
Stanford Innovation Helps 'Enlighten' Silicon Chips
Oct 28, 2005 — STANFORD, Calif., Oct. 28 -- Electrical engineers at Stanford University have invented a key component that can easily be built into chips to break up a laser beam into billions of bits of data (zeroes and ones) per second. This could help chips...
SunPower Announces Discovery
Aug 24, 2005 — SUNNYVALE, Calif., Aug. 24 -- Silicon solar cell and panel manufacturer SunPower Corp., a Silicon Valley-based subsidiary of Cypress Semiconductor Corp., announced the discovery of a new performance effect observed in high-efficiency silicon solar...
SunPower Announces Solar Cell Discovery
Aug 24, 2005 — SUNNYVALE, Calif., Aug. 24 -- Silicon solar cell and panel manufacturer SunPower Corp., a Silicon Valley-based subsidiary of Cypress Semiconductor Corp., announced the discovery of a new performance effect observed in high-efficiency silicon solar...
Optically Active Quantum Dots Embedded in Nanowires
Aug 1, 2005 — Investigators at the Swiss Federal Institute of Technology in Zurich have reported the fabrication of quantum dots in nanowires that display a level of brightness an order of magnitude higher than self-assembled InAs dots. They suggest that the work...
Ultratiny Silicon Modulator Achieves Gigahertz Speeds
Aug 1, 2005 — Silicon, the material of choice for electronic circuits, is not ideally suited for electro-optical applications. Its indirect bandgap creates severe problems when using it as a photonic source and also presents disadvantages when using it as a...
How Can Quantum Dots Be Used?
Jul 1, 2005 — Quantum dots are so versatile that most of their applications have not yet been realized. A few in development are: Solar cells. Solar cells made from silicon can be stable and efficient, but they are expensive to make. Solar cells that employ...
STOCK OPTICS
Apr 1, 2005 — The “2005 Stock Parts List” from Meller Optics Inc. describes optics that can be purchased online, including more than 1000 sapphire types in various configurations and more than 1500 others made from silicon, germanium, barium fluoride, calcium...
Nanocrystals Enable Silicon Field-Effect LED
Mar 1, 2005 — While several research teams around the globe attempt to make silicon emit light and others try to make transistors lase, one has combined the two technologies and made a light-emitting transistor based entirely on silicon. Robert J. Walters and...
Novel Silicon Raman Laser Demonstrated on CMOS Chip
Feb 1, 2005 — For years, engineers and scientists have dreamed of the advantages that could be gained by integrating photonics technology and semiconductor electronic chips. Computers, cell phones and other electronic devices could shrink dramatically, while...
New Technology Moves LEDs into Consumer Applications
Jan 1, 2005 — Major advancements in LED technologies are making new lighting products and effects possible. Over the past few years, we’ve witnessed the advent of seven colors and a white LED in high-power packaging, along with silicon and plastic lenses that...
Polycrystalline GermaniumEnables Near-IR Photodetectors Integrated with Silicon CMOS Electronics
Dec 1, 2004 — In the past two decades, SiGe has been the material of choice for the development of near-IR (0.7 to 2 µm) optoelectronic devices based on silicon, and several groups have developed high-performance near-IR photodetectors on Si substrates.1...
Greenfield Networks Raises $21.5M
Sep 20, 2004 — SUNNYVALE, Calif., Sept. 20 -- Greenfield Networks Inc., a developer of Ethernet switching silicon products, announced today it has completed its third round of private venture funding, raising $21.5 million. New investor JPMorgan Partners is...
Light Moves Water Droplets
Sep 1, 2004 — A team at Arizona State University in Tempe reported in the Aug. 26 issue of Journal of Physical Chemistry B that a nanostructured surface morphology similar to that of lotus leaves imparts the ability to move 15-µl droplets of water using light....
Lithographic Process Yields 3-D Photonic Crystal for Near-IR
Jul 1, 2004 — Scientists at Massachusetts Institute of Technology in Cambridge have described a three-dimensional photonic crystal in silicon, with deliberately introduced point-defects, that displays resonant signatures around telecommunications wavelengths....
Silicon Optical Modulator Achieves >1-GHz Operation
Mar 1, 2004 — In a development that points to the advent of silicon as a viable photonic material, a group of scientists from Intel Corp. in Santa Clara, Calif., and in Jerusalem has fabricated an all-silicon optical modulator with a modulation frequency greater...
Intel Creates Faster Silicon Photonics Device
Feb 19, 2004 — SANTA CLARA, Calif., Feb. 19 -- Scientists from Intel Corp. reported they have achieved a major advance using silicon manufacturing processes to create a novel "transistor-like" device that can encode data onto a light beam. They said the ability to...
Three-Dimensional Process Sculpts Waveguides in Silicon
Feb 1, 2004 — Researchers at the University of California, Los Angeles, have reported a technique that is based on the separation by implantation of oxygen process that enables the three-dimensional fabrication of waveguide and microcavity structures in silicon....
Daily News Briefs
Dec 1, 2003 — Laserscope, a San Jose, Calif., developer of medical lasers and advanced fiber optic devices, has received clearance from the US Food and Drug Administration to market Aura, its 532-nanometer, potassium titanyl phosphate (KTP) laser for the...
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