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Laser
diodes promise new age of Internet
Wednesday March 16, 2011 03:26:48 PM,
IANS
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Washington: A new
laser device could make high-speed computing faster and more
reliable, opening the door to a new age of the Internet.
Professor Dennis Deppe at the University of Central Florida has
created miniature laser diodes that emit more intense light than
those currently used.
The light emits a single wavelength, making it ideal for use in CD
players, laser pointers and optical mice for computers, in
addition to high-speed data transmission.
Until now, the biggest challenge has been the failure rate of
these tiny devices. They don't work very well when they face huge
workload as the stress makes them crack, according to a Central
Florida statement.
The smaller size and elimination of non-semiconductor materials
means the new devices could potentially be used in heavy data
transmission, which is critical in developing the next generation
of the Internet.
By using the tiny lasers in optical clocks, the precision of GPS
and high-speed wireless data communications too would increase.
"The new laser diodes represent a sharp departure from past
commercial devices in how they are made," Deppe said.
"The new devices show almost no change in operation under stress
conditions that cause commercial devices to rapidly fail," he
added.
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