Fujitsu today announced the achievement of a 40 gigabits per second (40-Gbps) optical-fiber transmission employing an uncooled directly-modulated laser. This was realized through the combination of a structure specifically ...
General Physics
Mar 10, 2011
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The household demand for increased internet bandwidth has grown tremendously because of the popularity of data-intensive internet activities such as movie streaming. Conventional copper telephone lines struggle to meet this ...
Optics & Photonics
Feb 24, 2011
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More than 50 years after the invention of the laser, scientists at Yale University have built the world's first anti-laser, in which incoming beams of light interfere with one another in such a way as to perfectly cancel ...
General Physics
Feb 17, 2011
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(PhysOrg.com) -- Potential applications, says an engineering professor, include disease diagnosis and detection of concealed explosives.
General Physics
Jan 13, 2011
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The announcement of the winners of the next Nobel Prize in Physics on Tuesday morning will bring to an end the very private deliberations within the Swedish Academy, which selects the winner. It will also end the rampant ...
General Physics
Oct 1, 2010
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(PhysOrg.com) -- "One of the most important goals in the optics community is to create and manipulate light on chip," Yinan Zhang tells PhysOrg.com. "This is especially important when it comes to improving the performance ...
A collaborative team of applied scientists from Harvard University and the University of Leeds have demonstrated a new terahertz (THz) semiconductor laser that emits beams with a much smaller divergence than conventional ...
General Physics
Aug 8, 2010
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Tohoku University and Sony researchers have succeeded in developing a blue-violet ultrafast pulsed semiconductor laser with dramatically improved peak laser beam output levels that are 100 times that of the world's current ...
General Physics
Jul 21, 2010
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Imagine printing your own room lighting, lasers, or solar cells from inks you buy at the local newsagent. Jacek Jasieniak and his colleagues at CSIRO, the University of Melbourne and the University of Padua in Italy, have ...
General Physics
Jul 1, 2010
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(PhysOrg.com) -- Researchers at the University of Michigan have achieved a long sought-after optics phenomenon that could lead to more efficient and flexible lasers for telecommunications and quantum computing applications, ...
Optics & Photonics
Jun 21, 2010
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