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optical computers News
Transistor Works with Light, Not Electricity
VIENNA, July 9, 2013 — An electrical charge applied to an ultrathin layer of material can change the polarization of terahertz light beams, creating the optical equivalent of an electrical transistor, its creators say.
Nanoplasmonic Devices Funded
BELFAST, Northern Ireland, and LONDON, Sept. 4, 2009 -- Queen's University Belfast and Imperial College London will establish a research program on the fundamental science of nanoplasmonic devices under a new £6 million (about $9.8 million) grant from the Engineering and Physical Sciences Research...
Spiral Microlasers Theorized
WASHINGTON, Jan. 26, 2009 – Theoretically, disk-shaped lasers as small as a speck of dust could one day beam information through optical computers. Typically, a perfect disk will spray light out, not as a beam, but rather in all directions. According to the Optical Society of...
Tight Squeeze on Light
BERKELEY, Calif., July 31, 2008 – Researchers at the University of California, Berkeley, have found a way to squeeze light through an opening that is only five times the width of a single piece of DNA. According to lead researcher, Xiang Zhang, mechanical engineering professor at UC...
Microdisk Resonance Tuned with Optical Signal
Feb 1, 2007 — All-optical switches — those in which one group of photons alters the flow of other photons — are an essential component of many next-generation systems, from optical computers to transparent optical networks. Recently, researchers at Université...
Theorists Propose an All-Optical Transistor
May 1, 2005 — Optical computers -- computers in which photons replace the electrons of today's machines -- are expected to bring huge improvements in terms of compactness and speed and to yield unimaginable improvements in technology. Optical computing exists...
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April 2024
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