A tunnel junction is a device consisting of two conducting layers separated by an insulating layer. Classically, the resistance for driving current across an insulating layer is infinite; however, when the insulating layer ...
Nanophysics
Aug 21, 2020
0
9
Underground pipelines, some as old as the cities they service, are often far past their intended lifespan and the need for replacing them looms as an expense most municipalities can't afford.
General Physics
Aug 7, 2020
0
6
Researchers have solved a major problem for optical wireless communications—the process by which light carries information between cell phones and other devices. Light-emitting diodes (LEDs) pulse their light in a coded ...
Optics & Photonics
Jul 30, 2020
4
31
Physicists at the University of Alberta have developed technology that can translate data from microwaves to optical light—an advance that has promising applications in the next generation of super-fast quantum computers ...
Optics & Photonics
Jul 23, 2020
0
209
The National Institute of Information and Communications Technology (NICT), the Japan Science and Technology Agency (JST), Toin University of Yokohama, and Chiba University have succeeded in developing a color-multiplexed ...
Optics & Photonics
Jul 22, 2020
0
98
When a dynamic crack propagates through material heterogeneities (material differences), elastic waves are emitted to disturb the crack and change the morphology of the fracture surface. When a crack propagates along preferential ...
In a new study, a group of researchers led by Prof. Lior Klein, from the physics department and the Institute of Nanotechnology and Advanced Materials at Bar-Ilan University, has shown that relatively simple structures can ...
Condensed Matter
Jul 10, 2020
1
865
Sensors placed in the environment spend long periods of time outdoors through all weather conditions, and they must continuously power themselves in order to collect data. Many, like photovoltaic cells, use the sun to produce ...
General Physics
Jul 7, 2020
0
37
Novel red LEDs are more temperature stable than those made using the conventional semiconductor of choice.
Optics & Photonics
Jul 6, 2020
0
157
In a paper that made the cover of the journal Applied Physics Letters, an international team of researchers has demonstrated an innovative technique for increasing the intensity of lasers. This approach, based on the compression ...
Optics & Photonics
Jul 3, 2020
2
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