Deep learning has revolutionized the way we perceive and utilize data. However, as datasets grow and computational demands increase, we need more efficient ways to handle, store, and process data. In this regard, optical ...
Optics & Photonics
Nov 27, 2023
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Key Laboratory of Quantum Information (CAS), University of Science and Technology of China has recently demonstrated a metropolitan Quantum Cryptography Network (QCN) for Government Administration in Wuhu, China. The project ...
Quantum Physics
Oct 16, 2009
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TU Vienna has managed to turn the oscillation direction of beams of light – simply by applying an electrical current to a special material. This way, a transistor can be built that functions with light instead of electrical ...
General Physics
Jul 8, 2013
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Conventional lenses, made of shaped glass, are limited in how precisely they can redirect beams of incoming light and make them meet at a point. Now, a team led by Zhengtong Liu at the A*STAR Institute of High Performance ...
Optics & Photonics
Aug 14, 2013
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(Phys.org) —In the search for a single photon source, researchers in Australia and France have achieved a major step towards a turn-key source of individual, precisely tailored photons from an integrated optical chip.
Optics & Photonics
Mar 31, 2014
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(Phys.org) —Researchers have demonstrated a method for "temporal cloaking" of optical communications, representing a potential tool to thwart would-be eavesdroppers and improve security for telecommunications.
General Physics
Jun 5, 2013
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The laser is so small you need a microscope to see it properly. But it's not just the size that scientists at Sandia National Laboratories are excited about.
Optics & Photonics
Aug 1, 2023
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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 ...
Optics & Photonics
Jul 19, 2010
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Tiny disk-shaped lasers as small as a speck of dust could one day beam information through optical computers. Unfortunately, a perfect disk will spray light out, not as a beam, but in all directions. New theoretical results, ...
General Physics
Jan 22, 2009
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(PhysOrg.com) -- The same inexpensive, but high-quality optical sensors employed in the common computer mouse can enable small mobile phones and digital music players to be used as their own pointing and gestural input devices, ...
Hi Tech & Innovation
Apr 26, 2010
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