For the first time, researchers have sent a quantum-secured message containing more than one bit of information per photon through the air above a city. The demonstration showed that it could one day be practical to use high-capacity, ...
Optics & Photonics
Aug 24, 2017
0
2510
Optical data transmission allows information to be transmitted as light by way of optical waveguides in fiber optic networks. Chinese researchers have now developed microscale optical waveguides. As reported in the journal ...
Materials Science
Jun 8, 2017
0
59
Today's society is growing in population and productivity puts ever higher demands on the Internet, and without scientific developments to provide ways meeting our traffic needs, it will begin to clog. Mapping photons to ...
Optics & Photonics
Mar 2, 2017
1
18
Researchers at the Department of Energy's Oak Ridge National Laboratory have set a new record in the transfer of information via superdense coding, a process by which the properties of particles like photons, protons and ...
General Physics
Feb 1, 2017
0
537
Vast amounts of data transmit across the Internet and telecommunications networks delivering, for example, real-time video calls from one cell phone to another - across the world. As people send and receive increasing amounts ...
Optics & Photonics
Jan 31, 2017
0
6
As data demands continue to grow, scientists predict that it's only a matter of time before today's telecommunication networks reach capacity unless new technologies are developed for transporting data. A new technique could ...
Optics & Photonics
Oct 19, 2016
1
13
Today's high-speed wired communication networks use lasers to carry information through optical fibers, but wireless networks are currently based on radio frequencies or microwaves. In an advance that could one day make light-based ...
Optics & Photonics
Jul 19, 2016
0
61
Researchers working under Juerg Leuthold, Professor of Photonics and Communications, have created the world's smallest integrated optical switch. Applying a small voltage causes an atom to relocate, turning the switch on ...
Nanophysics
Feb 1, 2016
0
931
New research has found, for the first time, a scientific solution that enables future internet infrastructure to become completely open and programmable while carrying internet traffic at the speed of light.
Telecom
Jan 26, 2016
3
99
As wireless networks become more crowded with devices and more taxed by the demand for anytime, anywhere access, these networks are susceptible to radio frequency interference and jamming. It's a problem that potentially ...
Telecom
Dec 21, 2015
0
77
