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ClanKiller.com - View topic - Lasers on a chip
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Lasers on a chip 
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Felix Rex
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Post Lasers on a chip
This is cool..."researchers" funded by Intel have managed to generate lasers using a silicon chip.

http://www.nytimes.com/2006/09/18/techn ... ref=slogin

Now it's only a matter of time before we can mount these on sharks and conquer the world.

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Tue Sep 19, 2006 6:55 am
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Wed Sep 20, 2006 4:23 am
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errr...I didn't have to register, but ok.

[quote="NY Times"]
A Chip That Can Transfer Data Using Laser Light

Article Tools Sponsored By
By JOHN MARKOFF
Published: September 18, 2006

SAN FRANCISCO, Sept. 17 — Researchers plan to announce on Monday that they have created a silicon-based chip that can produce laser beams. The advance will make it possible to use laser light rather than wires to send data between chips, removing the most significant bottleneck in computer design.

As a result, chip makers may be able to put the high-speed data communications industry on the same curve of increased processing speed and diminishing costs — the phenomenon known as Moore’s law — that has driven the computer industry for the last four decades.

The development is a result of research at Intel, the world’s largest chip maker, 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 shake up both the communications and computer industries.

Lasers are already used to transmit high volumes of computer data over longer distances — for example, between offices, cities and across oceans — using fiber optic cables. But in computer chips, data moves at great speed over the wires inside, then slows to a snail’s pace when it is sent chip-to-chip inside a computer.

With the barrier removed, computer designers will be able to rethink computers, packing chips more densely both in home systems and in giant data centers. Moreover, the laser-silicon chips — composed of a spider’s web of laser light in addition to metal wires — portend a vastly more powerful and less expensive national computing infrastructure. For a few dollars apiece, such chips could transmit data at 100 times the speed of laser-based communications equipment, called optical transceivers, that typically cost several thousand dollars.

Currently fiber optic networks are used to transmit data to individual neighborhoods in cities where the data is then distributed by slower conventional wire-based communications gear. The laser chips will make it possible to send avalanches of data to and from individual homes at far less cost.

They could also give rise to a new class of supercomputers that could share data internally at speeds not possible today.

The breakthrough was achieved by bonding a layer of light-emitting indium phosphide onto the surface of a standard silicon chip etched with special channels that act as light-wave guides. The resulting sandwich has the potential to create on a computer chip hundreds and possibly thousands of tiny, bright lasers that can be switched on and off billions of times a second.

“This is a field that has just begun exploding in the past 18 months,â€

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