A network in which data transmission is perfectly secure against hacking? If physicists have their way, this will become reality one day with the help of the quantum mechanical phenomenon known as entanglement. For entangled ...
Optics & Photonics
Jul 7, 2022
0
600
(Phys.org)—On the surface, ants and the Internet don't seem to have much in common. But two Stanford researchers have discovered that a species of harvester ants determine how many foragers to send out of the nest in much ...
Plants & Animals
Aug 27, 2012
1
0
The wireless data transmission via mobile communication is reliable and affordable. However, data volume per user is rising exponentially. Causes are not only the continuously growing number of smartphones, but also trends ...
Electronics & Semiconductors
Aug 1, 2016
0
17
A silicon optical switch newly developed at Sandia National Laboratories is the first to transmit up to 10 gigabits per second of data at temperatures just a few degrees above absolute zero. The device could enable data transmission ...
Optics & Photonics
Mar 16, 2017
0
709
(Phys.org) -- Wednesday headlines trumpeted how "Japanese researchers smash Wi-Fi records" and "Scientists show off the future of Wi-Fi." The excitement is for good reason. A team of scientists have broken the record for ...
Researchers at the University of California, Irvine have developed a new scanning transmission electron microscopy method that enables visualization of the electric charge density of materials at sub-angstrom resolution.
Condensed Matter
Oct 14, 2019
0
1035
Researchers of the Fraunhofer Institute for Applied Solid State Physics and the Karlsruhe Institute for Technology have achieved the wireless transmission of 40 Gbit/s at 240 GHz over a distance of one kilometer. Their most ...
Telecom
May 21, 2013
2
0
75 years ago Claude Shannon, the "father of information theory," showed how information transmission can be quantified mathematically, namely via the so-called information transmission rate.
General Physics
Oct 30, 2023
3
452
More than 120 years after the discovery of the electromagnetic character of radio waves by Heinrich Hertz, wireless data transmission dominates information technology. Higher and higher radio frequencies are applied to transmit ...
Nanophysics
Oct 20, 2009
0
0
Light and electrons interact in a complex dance within fiber optic devices. A new study by University of Illinois engineers found that in the transistor laser, a device for next-generation high-speed computing, the light ...
Optics & Photonics
Mar 9, 2016
0
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