Since its inception, the power conversion efficiency (PCE) of edge-emitting laser (EEL) technology has been continuously breaking records, achieving a historically high efficiency of 85% at -50°C in 2006. Following this, ...
Optics & Photonics
Apr 4, 2024
0
1
Human life is inextricably bound to light. Developments in science and technology have increased the popularity of artificial light and diversified the use of sunlight. However, inappropriate light radiation can be harmful ...
Optics & Photonics
Jan 5, 2023
0
8
A big problem with the disposal of nuclear and electronic wastes is that the process wastes precious metals such as gold and platinum-group metals, which are key metals in computer chips. Researchers form Nagoya University ...
Materials Science
May 19, 2022
0
137
Valleytronics is an emerging field in which valleys—local minima in the energy band structure of solids—are used to encode, process, and store quantum information. Though graphene was thought to be unsuitable for valleytronics ...
Optics & Photonics
Sep 8, 2021
0
995
Is it possible to boost sales of locally produced solar energy by allowing households to trade it through a peer-to-peer platform? The year-long Quartierstrom research project in Walenstadt is investigating how energy markets ...
Energy & Green Tech
Jun 24, 2019
1
0
Polar vortexes. Hurricanes. Wildfires.
Energy & Green Tech
Jan 31, 2019
0
10
In microelectronic devices, the bandgap is a major factor determining the electrical conductivity of the underlying materials. Substances with large bandgaps are generally insulators that do not conduct electricity well, ...
Condensed Matter
Dec 18, 2018
0
105
There are currently millions of heavily underutilized devices in the world. The storage, networking, sensing and computational power of laptops, smartphones, routers and base stations grows with each new version and product ...
Telecom
Sep 19, 2018
0
6
Lasers play roles in many manufacturing processes, from welding car parts to crafting engine components with 3D printers. To control these tasks, manufacturers must ensure that their lasers fire at the correct power.
Optics & Photonics
Sep 18, 2018
0
40
Engineers are threading circuitry into clothes to create comfortable devices that could make electronic fashion the future of the textiles industry.
Engineering
Jun 26, 2018
0
29
