Second-order nonlinear optical processes play a pivotal role in both classical and quantum applications, ranging from extension of the accessible frequencies to generation of quantum entangled photon pairs and squeezed states. ...
Optics & Photonics
Nov 21, 2018
0
160
Shamit Shrivastava, a post-doctoral researcher in the Department of Engineering Science, writes about a recent finding that has far-reaching consequences for the fundamental understanding of the physics of the brain. The ...
General Physics
Jun 28, 2018
1
140
Scientists have discovered a new property of wave propagation that leads to a new way to improve the resolution of virtually all optical technologies, including microscope lenses, telecommunications, laser-based lithography, ...
Optics & Photonics
Jun 28, 2018
0
4
Circulators are important components in communication technology. Their unique way of routing light usually requires centimeter-sized magnets, which are difficult to miniaturize for use on optical chips. Researchers at AMOLF ...
Optics & Photonics
May 4, 2018
0
23
Hawaii's volcanos stand as silent sentinels. They guard the secret of how they formed, thousands of miles away from where the edges of tectonic plates clash and generate magma for most volcanos. A 2017 Nature study by Jones ...
Earth Sciences
Apr 27, 2018
0
102
A team of researchers from UPM and CNR has conducted a study of acoustic measurements in places with aircraft noise exposure. This study aims to determine any significant differences among the sound levels measured on the ...
Ecology
Jan 24, 2018
0
4
The performance of white LEDs can be improved, based on better knowledge of the absorption and scattering of light inside the LED. A new method, developed by the University of Twente in The Netherlands and Philips Lighting, ...
Optics & Photonics
Sep 14, 2017
0
2
Ocean circulation patterns have a profound effect on global climate. Waves deep within the ocean play an important role in establishing this circulation, arising when tidal currents oscillate over an uneven ocean bottom. ...
Soft Matter
Jun 20, 2017
0
174
(Phys.org)—Social contagion describes the propagation of beliefs, evaluations and attitudes through a network of people. It's well understood that political beliefs, emotional attitudes and opinions are contagious within ...
Far from being the silent, dreamlike landscape we often imagine, the sea is peppered with animal sounds, a chorus of clicks, snaps and howls.
Ecology
Apr 3, 2017
0
38
