New nanolaser achieves high
efficiency |
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YOKOHAMA, Japan, June
21 Japanese scientists have developed a highly
efficient, room-temperature nanolaser that
produces stable, continuous streams of
near-infrared laser light.
Yokohama
National University researcher Toshihiko Baba
and colleagues said the overall device has a
width of several microns, while the part of the
device that actually produces laser light has
dimensions at the nanometer scale in all
directions.
The laser uses only 1
microwatt of power, achieving one of the
smallest operating powers ever
reported.
The researchers said their
nanolaser design should be useful in
miniaturized circuits containing optical
devices.
The research appears in the
journal Optics Express.
Copyright
2007 by UPI |
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