For the first time, researchers have demonstrated that a stable frequency reference can be reliably transmitted more than 300 kilometers over a standard fiber optic telecommunications network and used to synchronize two radio ...
Optics & Photonics
Feb 1, 2018
0
28
Researchers at Oregon State University have designed and fabricated the world's smallest electro-optic modulator, which could mean major reductions in energy used by data centers and supercomputers.
Nanophysics
Jan 22, 2018
0
172
A form of machine learning called deep learning is one of the key technologies behind recent advances in applications like real-time speech recognition and automated image and video labeling.
Optics & Photonics
Nov 20, 2017
0
24
A group of scientists led by Prof. Zhang Qiang and Pan Jianwei from the University of Science and Technology of China (USTC) have successfully demonstrated entanglement swapping with two independent sources 12.5 km apart ...
Optics & Photonics
Oct 12, 2017
0
16
Kentucky's plan to build one of the country's largest publicly owned broadband networks was touted as a cornerstone of the effort to save the Appalachian economy by bringing high-speed internet to some of the poorest counties ...
Telecom
Oct 1, 2017
0
6
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
Researchers are on the lookout for rapid, reliable and affordable switches for the opto-electronics of the future. An Empa team now presents a potential solution: dye droplets measuring just a few sub-micrometers in diameter.
Optics & Photonics
Aug 16, 2017
0
4
A massive cyberattack that took down government websites in Venezuela earlier this week also has left seven million mobile phone users without service, the government said Thursday.
Telecom
Aug 10, 2017
0
32
On 27 July 2017, the newly built Low Frequency Array (LOFAR) station in Ireland will be officially opened. This extends the largest radio telescope in the world, connecting to its central core of antennas in the north of ...
Space Exploration
Jul 28, 2017
0
7
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
