Search results for photonics:
Fine-tuned: A wholly new approach to tuning a laser's frequency
Dec 04, 2009 |
4.8 / 5 (6) |
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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 ...
New laser -- it's a gas, gas, gas... sensor
Dec 04, 2009 |
4.8 / 5 (4) |
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(PhysOrg.com) -- A new generation of optical sensors is enabling the development of robust, long-lasting, lighting-fast trace gas detectors for use in a wide range of industrial, security and domestic applications.
Scientists demonstrate multibeam, multi-functional lasers
Nov 30, 2009 |
5 / 5 (6) |
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An international team of applied scientists from Harvard, Hamamatsu Photonics, and ETH Zürich have demonstrated compact, multibeam, and multi-wavelength lasers emitting in the invisible part of the light spectrum ...
Chemists get custom-designed microscopic particles to self-assemble in liquid crystal
Nov 25, 2009 |
5 / 5 (5) |
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(PhysOrg.com) -- The scientists anticipate their "LithoParticles" will have significant applications in photonics, optical communications and other areas.
Selling chip makers on optical computing
Nov 24, 2009 |
4.6 / 5 (11) |
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(PhysOrg.com) -- Computer chips that transmit data with light instead of electricity consume much less power than conventional chips, but so far, they've remained laboratory curiosities. Professors Vladimir ...
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. ...
Pushing light beyond its known limits
Nov 12, 2009 |
3.9 / 5 (18) |
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Scientists at the University of Adelaide have made a breakthrough that could change the world's thinking on what light is capable of.
Compressing photonic signals for greater bandwidth
Nov 03, 2009 |
4.5 / 5 (6) |
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Cornell researchers have developed an ingenious method to time-compress optical signals. The process could enable optical communication systems to carry many more bits per second or could also be used to generate ...
Scientists Build First 'Frequency Comb' To Display Visible 'Teeth'
Oct 29, 2009 |
4.9 / 5 (15) |
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(PhysOrg.com) -- Finally, an optical frequency comb that visibly lives up to its name. Scientists at the University of Konstanz in Germany and the National Institute of Standards and Technology in the U.S. ...
Scientists first to trap light and sound vibrations together in nanocrystal
Oct 26, 2009 |
4.7 / 5 (18) |
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(PhysOrg.com) -- Researchers at the California Institute of Technology have created a nanoscale crystal device that, for the first time, allows scientists to confine both light and sound vibrations in the ...
Mantis shrimps could show us the way to a better DVD
Oct 25, 2009 |
4.9 / 5 (18) |
5
(PhysOrg.com) -- The remarkable eyes of a marine crustacean could inspire the next generation of DVD and CD players, according to a new study from the University of Bristol published today in Nature Photonics.
Transforming nanowires into nano-tools using cation exchange reactions
Oct 23, 2009 |
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A team of engineers from the University of Pennsylvania has transformed simple nanowires into reconfigurable materials and circuits, demonstrating a novel, self-assembling method for chemically creating nanoscale ...
Going plasmonic in search of faster computing, communications
Oct 16, 2009 |
4.5 / 5 (6) |
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(PhysOrg.com) -- A team of European researchers has demonstrated some of the first commercially viable plasmonic devices, paving the way for a new era of high-speed communications and computing in which electronic ...
Time Lens Speeds Up Optical Data Transmission
Sep 28, 2009 |
4.8 / 5 (15) |
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(PhysOrg.com) -- Researchers at Cornell University have developed a device called a "time lens" which is a silicon device for speeding up optical data. The basic components of this device are an optical-fiber ...
Discovery brings new type of fast computers closer to reality
Sep 27, 2009 |
4.6 / 5 (34) |
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Physicists at UC San Diego have successfully created speedy integrated circuits with particles called "excitons" that operate at commercially cold temperatures, bringing the possibility of a new type of extremely ...
