News tagged with semiconductor lasers
Fine-tuned: A wholly new approach to tuning a laser's frequency
Dec 04, 2009 |
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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 |
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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, ...
Building a more versatile laser
Nov 16, 2009 |
4.5 / 5 (19) |
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(PhysOrg.com) -- One of the drawbacks associated with using semiconductor lasers is that many of them can only produce a beam of a single wavelength, and can only send that beam in one direction at a time. ...
Semiconductor Lasers Generate Better Random Numbers
Dec 16, 2008 |
4.4 / 5 (31) |
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(PhysOrg.com) -- Random numbers -- numbers without any pattern -- are vital to many applications, such as computer simulations, statistics, and cryptography. There are many ways to generate them using unpredictable physical ...
World's smallest semiconductor laser heralds new era in optical science
Aug 30, 2009 |
4.8 / 5 (25) |
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(PhysOrg.com) -- Researchers at the University of California, Berkeley, have reached a new milestone in laser physics by creating the world's smallest semiconductor laser, capable of generating visible light ...
Scientists demonstrate laser with controlled polarization
Apr 13, 2009 |
3.7 / 5 (15) |
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Applied scientists at the Harvard School of Engineering and Applied Sciences (SEAS) in collaboration with researchers from Hamamatsu Photonics in Hamamatsu City, Japan, have demonstrated, for the first time, ...
Sharp's New Semiconductor Laser for Triple- and Quadruple- Layer Blu-ray Discs
Sep 18, 2009 |
4.7 / 5 (11) |
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(PhysOrg.com) -- Sharp Corporation has announced the development of a new 500 mW semiconductor laser for triple- and quadruple- layer Blu-ray discs.
Big impact from tiny semiconductor lasers (w/Video)
Jun 18, 2009 |
4.8 / 5 (8) |
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A massive European effort to develop high-brightness semiconductor lasers could transform healthcare, telecoms and display applications and make Europe an undisputed leader in the field.
Tiny lasers get a notch up
Jan 22, 2009 |
4 / 5 (5) |
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Tiny disk-shaped lasers as small as a speck of dust could one day beam information through optical computers. Unfortunately, a perfect disk will spray light out, not as a beam, but in all directions. New theoretical results, ...
Confined electrons live longer
Aug 18, 2009 |
5 / 5 (2) |
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Electrons that are trapped in very small structures of only a few nanometer, demonstrate fascinating features. These could be useful for novel computers or semiconductor lasers. Researchers from the University ...
Big impact from tiny semiconductor lasers
Aug 12, 2009 |
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(PhysOrg.com) -- A massive European effort to develop high-brightness semiconductor lasers could transform healthcare, telecoms and display applications and make Europe an undisputed leader in the field.
New lasers drive powerful applications
Aug 12, 2009 |
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(PhysOrg.com) -- Telecoms, healthcare and display technology will be the major beneficiaries of a new generation of semiconductor lasers developed in a massive European research effort. Better cancer treatment, wider bandwidth ...
Scientists demonstrate highly directional semiconductor lasers
Jul 27, 2008 |
4.7 / 5 (31) |
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Applied scientists at Harvard collaborating with researchers at Hamamatsu Photonics in Hamamatsu City, Japan, have demonstrated, for the first time, highly directional semiconductor lasers with a much smaller ...
