(Phys.org)—Stanford engineers have designed and built a prism-like device that can split a beam of light into different colors and bend the light at right angles, a development that could eventually lead to computers that ...
Optics & Photonics
Dec 3, 2014
10
1
(PhysOrg.com) -- The heart of the Internet is a network of high-capacity optical fibers that spans continents. But while optical signals transmit information much more efficiently than electrical signals, they?re harder to ...
Computer Sciences
Jun 28, 2010
16
0
A POSTECH research team has developed a transparent amorphous silicon that transmits visible light—which permits us to distinguish the colors of objects—enabling the development of paper-thin lenses usable in head-mounted ...
Materials Science
Feb 16, 2021
1
30
Like a whirlpool, a new light-based communication tool carries data in a swift, circular motion.
Optics & Photonics
Jul 28, 2016
9
2415
A newly discovered phenomenon dubbed "collectively induced transparency" (CIT) causes groups of atoms to abruptly stop reflecting light at specific frequencies.
Optics & Photonics
Apr 27, 2023
0
6834
Data centers—dedicated spaces for storing, processing and disseminating data—enable everything from cloud computing to video streaming. In the process, they consume a large amount of energy transferring data back and ...
Nanophysics
Jul 8, 2022
0
848
Researchers drew attention three years ago when they reported that a two-dimensional perovskite—a material with a specific crystal structure—composed of cesium, lead and bromine emitted a strong green light. Crystals ...
Condensed Matter
Jun 24, 2019
0
0
Researchers at ETH Zurich have trapped a tiny sphere measuring a hundred nanometres using laser light and slowed down its motion to the lowest quantum mechanical state. This technique could help researchers to study quantum ...
Nanophysics
Jul 15, 2021
1
5916
In research that could jumpstart work toward the quantum internet, researchers at MIT and the University of Cambridge have built and tested an exquisitely small device that could allow the quick, efficient flow of quantum ...
Optics & Photonics
Feb 1, 2024
1
248
At the chemical level, diamonds are no more than carbon atoms aligned in a precise, three-dimensional (3-D) crystal lattice. However, even a seemingly flawless diamond contains defects: spots in that lattice where a carbon ...
Nanophysics
Jun 11, 2019
0
442
