News tagged with semiconductor lasers
Fine-tuned: A wholly new approach to tuning a laser's frequency
Dec 04, 2009 |
4.4 / 5 (9) |
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(PhysOrg.com) -- For more than 30 years, scientists have been trying to harness the power of terahertz radiation. Tucked between microwaves and infrared rays on the electromagnetic spectrum, terahertz rays ...
Research is shattering traditioinal notions of laser limits
Dec 07, 2009 |
5 / 5 (2) |
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Air Force Office of Scientific Research and National Science Foundation-funded professor, Dr. Xiang Zhang has demonstrated at the University of California, Berkeley the world's smallest semiconductor laser, ...
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Taiwan chip giant TSMC to enter solar energy
10 hours ago |
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Chip giant Taiwan Semiconductor Manufacturing Co. is planning its first foray into solar energy with an investment in the island's largest producer of solar cells, a spokesman said Thursday.
New techniques make carbon-based integrated circuits more practical
Dec 09, 2009 |
4.9 / 5 (12) |
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(PhysOrg.com) -- Stanford engineers have built what they believe is a chip with the most advanced computing and storage elements made of carbon nanotubes to date by devising a way to root out the stubborn ...
Toshiba Develops High Performance CMOS Device Technology for 20nm Generation LSI
Dec 09, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- Toshiba Corporation today announced that it has developed a breakthrough technology for steep channel impurity distribution that delivers a solution to a key problem for 20nm generation CMOS ...
Toshiba develops essential technology for spintronics-based MOS field-effect transistor
Dec 09, 2009 |
4.9 / 5 (8) |
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(PhysOrg.com) -- Toshiba Corporation today announced that it has developed MOSFET cell based on spin transport electronics, or spintronics, an advanced semiconductor technology that makes use of the spin and ...
Life after silicon: Using exotic materials to help microchips keep improving
Dec 08, 2009 |
4.5 / 5 (8) |
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(PhysOrg.com) -- The huge increases in the power and capacity of computers, cell phones and communications networks in the last 40 years have been the result of ever-shrinking silicon transistors. But silicon ...
A see-through surprise: Scientists make solid material transparent to terahertz waves
Dec 07, 2009 |
4.6 / 5 (18) |
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Very often in science, the unexpected discovery turns out to be the most significant. Rice University Professor Junichiro Kono and his team weren't looking for a breakthrough in the transmission of terahertz signals, but ...
Nvidia, AMD shares jump after Intel scraps chip
Dec 07, 2009 |
1 / 5 (1) |
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(AP) -- Shares of Nvidia Corp. and Advanced Micro Devices Inc. jumped Monday after rival Intel Corp. scrapped plans to make a new graphics chip that would have challenged both companies.
Metamaterials could reduce friction in nanomachines
Nanotechnology / Nanomaterials
Dec 07, 2009 |
5 / 5 (4) |
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(PhysOrg.com) -- Nanoscale machines expected to have wide application in industry, energy, medicine and other fields may someday operate far more efficiently thanks to important theoretical discoveries concerning the manipulation ...
Using lasers to cool and manipulate molecules
Dec 07, 2009 |
5 / 5 (8) |
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(PhysOrg.com) -- "For years, we have been using laser cooling to trap and manipulate atoms," David DeMille tells PhysOrg.com. "This has been very useful for both basic science and many applications. Recent ...
FTC expands Intel anti-competition probe, sources say
Dec 04, 2009 |
5 / 5 (1) |
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The Federal Trade Commission has broadened its investigation of Santa Clara, Calif., chipmaker Intel beyond the company's competition with Advanced Micro Devices to include at least one other Silicon Valley company, Nvidia, ...
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