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Breakthrough in computer chip design eliminates wires in data transmission
September 21, 2006New research available
Research slated to appear in the October 2 edition of the Optical Society of America's (OSA) Optics Express will unveil that researchers have created a new laser-silicon hybrid computer chip that can produce laser beams that will make it possible to use laser light rather than wires to send data between chips, removing the most significant bottleneck in computer design.
The development is a result of research at Intel, the world's largest chipmaker, and the University of California, Santa Barbara. Commercializing the new technology may not happen before the end of the decade, but the prospect of being able to place hundreds or thousands of data-carrying light beams on standard industry chips is certain to make waves in both the communications and computer industries.
The paper describes the development of a computer chip that uses indium-phosphide-based lasers rather than electrical wires to transmit data to neighboring computer chips, promising a much higher rate of data transfer than previously possible in practical computing devices.
"This is an important time of change in the field of optics," said Dr. John Bowers, director, Multidisciplinary Optical Switching Technology Center (MOST) and professor in the Department of Electrical Engineering at the University of California, Santa Barbara. "Laying the groundwork for high-volume, fast, high- performance optical devices is crucial. The Hybrid Silicon Laser we describe in our Optics Express article allows lasers to be integrated onto a silicon substrate and paves the way for future optical communications at low cost."
Optical Society of America
The paper describes the development of a computer chip that uses indium-phosphide-based lasers rather than electrical wires to transmit data to neighboring computer chips, promising a much higher rate of data transfer than previously possible in practical computing devices.
"This is an important time of change in the field of optics," said Dr. John Bowers, director, Multidisciplinary Optical Switching Technology Center (MOST) and professor in the Department of Electrical Engineering at the University of California, Santa Barbara. "Laying the groundwork for high-volume, fast, high- performance optical devices is crucial. The Hybrid Silicon Laser we describe in our Optics Express article allows lasers to be integrated onto a silicon substrate and paves the way for future optical communications at low cost."
Optical Society of America
Computer Chip Current Events and Computer Chip News RSSNC State Develops Material That Could Boost Data Storage, Save Energy
North Carolina State University engineers have created a new material that would allow a fingernail-size computer chip to store the equivalent of 20 high-definition DVDs or 250 million pages of text, far exceeding the storage capacities of today's computer memory systems.
Quantum computer chips now 1 step closer to reality
In the quest for smaller, faster computer chips, researchers are increasingly turning to quantum mechanics -- the exotic physics of the small. The problem: the manufacturing techniques required to make quantum devices have been equally exotic. That is, until now.
Scientists identify genetic cause of previously undefined primary immune deficiency disease
Researchers at the National Institutes of Health have identified a genetic mutation that accounts for a perplexing condition found in people with an inherited immunodeficiency.
New findings could help hybrid, electric cars keep their cool
Understanding precisely how fluid boils in tiny "microchannels" has led to formulas and models that will help engineers design systems to cool high-power electronics in electric and hybrid cars, aircraft, computers and other devices.
Graphitic memory techniques advance at Rice
Advances by the Rice University lab of James Tour have brought graphite's potential as a mass data storage medium a step closer to reality and created the potential for reprogrammable gate arrays that could bring about a revolution in integrated circuit logic design.
Hankering for molecular electronics? Grab the new NIST sandwich
The sandwich recipe recently concocted by scientists working at the National Institute of Standards and Technology (NIST) may prove tasty for computer chip designers, who have long had an appetite for molecule-sized electronic components - but no clear way to satisfy it until now.
New material for nanoscale-computer chips
New data from Chinese-Danish collaboration shows that organic nanoscale wires could be an alternative to silicon in computer chips. The discovery has just been published in the respected scientific journal, Advanced Materials.
Breaking barriers with nanoscale lasers
We could soon see the potential of laser technology expand dramatically. Ways to make lasers smaller are being discovered through collaborative efforts of researchers at Arizona State University and Technical University of Eindhoven in the Netherlands.
Shift in simulation superiority
Science and engineering are advancing rapidly in part due to ever more powerful computer simulations, yet the most advanced supercomputers require programming skills that all too few U.S. researchers possess.
Carnegie Mellon scientists develop method for verifying safety of computer-controlled devices
Researchers at Carnegie Mellon University's School of Computer Science have developed a new method for systematically identifying bugs in aircraft collision avoidance systems, high-speed train controls and other complex, computer-controlled devices, collectively known as cyber-physical systems (CPS).
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