Laser beams can do more than just heat things up; they can cool them down too. That is nothing new for physicists who have devoted themselves to precision spectroscopy and the development of optical atomic clocks. But what ...
Quantum Physics
Dec 13, 2021
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439
The quest to deliver ultra-fast and energy efficient magnetic recording could be a step closer to fruition, due to pioneering new research on all-optical switching of magnetization.
Nanophysics
Dec 9, 2021
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215
In a new publication from Opto-Electronic Advances, Shreeniket Joshi and Amirkianoosh Kiani from Ontario Tech University, Ontario, Canada, discuss hybrid artificial neural networks and analytical model for prediction of optical ...
Nanomaterials
Nov 5, 2021
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16
A digital, urbanized world consumes huge amounts of raw materials that could hardly be called environmentally friendly. One promising solution may be found in renewable raw materials, according to research published in Advanced ...
Biotechnology
Nov 4, 2021
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36
Researchers have created tiny chip-based optical tweezers that can be used to optically levitate nanoparticles in a vacuum. Optical tweezers—which employ a tightly focused laser beam to hold living cells, nanoparticles ...
Optics & Photonics
Oct 21, 2021
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69
A new 'sandwich-style' fabrication process placing a semiconductor only one atom thin between two mirrors has allowed Australian researchers to make a significant step towards ultra-low energy electronics based on the light-matter ...
Nanophysics
Oct 5, 2021
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292
Scientists have learned how to place crystalline defects in new materials with atomic-scale precision. This enables materials that can control excitons—energy carriers that are similar to subatomic particles. New research ...
Nanomaterials
Aug 9, 2021
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172
"What we see here is energy transfer that is much faster than in any semiconductor," says Jakob Heier. The physicist works in Empa's Functional Polymers lab, and the discovery he has made with his team could cause a stir ...
Materials Science
Jul 13, 2021
0
334
In a new publication from Opto-Electronic Advances, researchers led by Professor Jeongyong Kim at the Department of Energy Science, Sungkyunkwan University, Suwon, Republic of Korea, review light-emitting MXene quantum dots.
Nanophysics
May 26, 2021
0
7
A five-year quest to map the universe and unravel the mysteries of "dark energy" is beginning officially today, May 17, at Kitt Peak National Observatory near Tucson, Arizona. To complete its quest, the Dark Energy Spectroscopic ...
Astronomy
May 17, 2021
9
53
