News tagged with optical signal
IBM's breakthrough chip technology lights the path to exascale computing
(PhysOrg.com) -- IBM scientists today unveiled a new chip technology that integrates electrical and optical devices on the same piece of silicon, enabling computer chips to communicate using pulses of light ...
Dec 01, 2010 |
4.8 / 5 (56) |
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An Internet 100 times as fast: A new network design could boost capacity
(PhysOrg.com) -- The heart of the Internet is a network of high-capacity optical fibers that spans continents. But while optical signals transmit information much more efficiently than electrical signals, ...
Technology / Computer Sciences
Jun 28, 2010 |
4.7 / 5 (54) |
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Bell Labs breaks optical transmission record, 100 Petabit per second kilometer barrier
Alcatel-Lucent today announced that scientists in Bell Labs, the company’s research arm, have set a new optical transmission record of more than 100 Petabits per second.kilometer (equivalent to 100 million Gigabits per second.kilometer). ...
Sep 29, 2009 |
4.9 / 5 (32) |
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Physicists demonstrate 100-fold speed increase in optical quantum memory
(PhysOrg.com) -- As with today's computers, future quantum computers will require more than just quantum information processing; they will also require methods to store and retrieve the quantum information. ...
Apr 01, 2010 |
4.5 / 5 (31) |
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Engineers grow nanolasers on silicon, pave way for on-chip photonics
Engineers at the University of California, Berkeley, have found a way to grow nanolasers directly onto a silicon surface, an achievement that could lead to a new class of faster, more efficient microprocessors, ...
Feb 06, 2011 |
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Intel Milestone Confirms Light Beams Can Replace Electronic Signals for Future Computers
(PhysOrg.com) -- Intel today announced an important advance in the quest to use light beams to replace the use of electrons to carry data in and around computers.
Jul 27, 2010 |
4.8 / 5 (24) |
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New nanolaser -- spaser -- key to future optical computers and technologies
(PhysOrg.com) -- Because the new device, called a "spaser," is the first of its kind to emit visible light, it represents a critical component for possible future technologies based on "nanophotonic" circuitry, ...
Aug 16, 2009 |
5 / 5 (23) |
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Redefining electrical current law with the transistor laser
(PhysOrg.com) -- While the laws of physics weren't made to be broken, sometimes they need revision. A major current law has been rewritten thanks to the three-port transistor laser, developed by Milton Feng ...
May 12, 2010 |
4.7 / 5 (23) |
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Fiber Optical Transmission In Demand Of Higher Capacity
(PhysOrg.com) -- With the increasing high volume content over the internet, such as multimedia and high definition images, new transmission methods need to be found to handle the increasing data demand. Nippon ...
Apr 02, 2010 |
4.8 / 5 (17) |
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Photonic neuron may compute a billion times faster than brain circuits
(PhysOrg.com) -- The name of the project -- "photonic neuron" -- was catchy enough, but what really caught Mitchell Nahmias' attention was the opportunity to combine his interests in engineering and neuroscience.
Jul 19, 2011 |
4.8 / 5 (17) |
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Nanotubes behave as optical antennae
(PhysOrg.com) -- Just as walkie-talkies transmit and receive radio waves, carbon nanotubes can transmit and receive light at the nanoscale, Cornell researchers have discovered.
Nanotechnology / Nanomaterials
Dec 21, 2010 |
4.8 / 5 (15) |
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New device for ultrafast optical communications
A new device invented by engineers at UC Davis could make it much faster to convert pulses of light into electronic signals and back again. The technology could be applied to ultrafast, high-capacity communications, ...
Mar 01, 2010 |
5 / 5 (14) |
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Advance made toward communication, computing at 'terahertz' speeds
Physicists in the United States and Germany have discovered a way to use a gallium arsenide nanodevice as a signal processor at "terahertz" speeds, the first time it's been used for this purpose and an important step forward ...
Jul 19, 2010 |
4.8 / 5 (13) |
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Up-scale: Frequency converter enables ultra-high sensitivity infrared spectrometry
In what may prove to be a major development for scientists in fields ranging from forensics to quantum communications, researchers at the National Institute of Standards and Technology have developed a new, ...
Aug 26, 2009 |
4.9 / 5 (12) |
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Fiber-wireless (Fi-Wi) to provide ultra-high-speed, short-range communication
(PhysOrg.com) -- By looking at the latest electronic communication devices that have emerged over the past few years, it's clear that the trend of smaller, portable devices is strong and expected to continue. ...
Mar 09, 2010 |
4.4 / 5 (13) |
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