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
The rise of big data and advances in information technology has serious implications for our ability to deliver sufficient bandwidth to meet the growing demand.
Optics & Photonics
Jun 10, 2016
13
1316
Researchers at the University of Rochester have overcome experimental challenges to demonstrate a new way for getting a full picture of twisted light: characterizing the Wigner distribution.
Quantum Physics
Apr 1, 2016
0
557
Researchers at the University of Ottawa observed that twisted light in a vacuum travels slower than the universal physical constant established as the speed of light by Einstein's theory of relativity. Twisted light, which ...
Optics & Photonics
Mar 24, 2016
3
212
Imagine communicating with your bank, the IRS or your doctor by way of an Internet that was perfectly secure. Your most private data would be protected with absolute certainty and, better yet, if any bad actor were to try ...
Quantum Physics
Jan 28, 2016
0
20
At the Weizmann Institute of Science, researchers have managed to 'pluck' a single photon—one particle of light—out of a pulse of light. The findings of this research, which appeared this week in Nature Photonics, bear ...
Optics & Photonics
Nov 30, 2015
0
151
Researchers at The University of Alabama designed and made a material that manipulates the speed of light in a new, more effective way than previous methods, according to findings recently published in Scientific Reports ...
Optics & Photonics
Oct 6, 2015
1
1237
Invisibility has long been one of the marvels in science fiction and fantasy – and more recently in physics. But while physicists have figured out the concept for how to make invisibility cloaks, they are yet to build a ...
General Physics
Sep 24, 2015
1
33
Invention of the first integrated circularly polarized light detector on a silicon chip opens the door for development of small, portable sensors that could expand the use of polarized light for drug screening, surveillance, ...
Optics & Photonics
Sep 22, 2015
0
1614
A Dartmouth College team has created the first light-sensing system that reconstructs human postures continuously and unobtrusively, furthering efforts to create smart spaces in which people control their environment with ...
Engineering
Aug 11, 2015
0
48
