Smaller, faster, more energy-efficient: future requirements to computing and data storage are hard to fulfill and alternative concepts are continuously explored. Small magnetic textures, so-called skyrmions, may become an ...
Nanophysics
May 12, 2021
0
99
Scientists at Paderborn University, the Technical University of Dortmund and the University of Würzburg have for the first time used laser pulses to precisely control photon echoes, which can occur when light waves superimpose ...
Optics & Photonics
Dec 15, 2020
0
98
Combining experiment and theory, researchers from the Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy (MBI) and the Max Planck Institute of Microstructure Physics have disentangled how laser pulses can ...
Optics & Photonics
Feb 18, 2020
2
795
The three classic physical states—solid, liquid and gaseous—can be observed in any normal kitchen, for example when you bring an ice cube to the boil. But if you heat material even further, so that the atoms of a substance ...
Plasma Physics
Jun 5, 2019
0
991
In quantum physics, a vacuum is not empty, but rather steeped in tiny fluctuations of the electromagnetic field. Until recently it was impossible to study those vacuum fluctuations directly. Researchers at ETH Zurich have ...
Quantum Physics
Apr 11, 2019
6
2469
Although previous research shows that metal nanoparticles have properties useful for various biomedical applications, many mysteries remain regarding how these tiny materials form, including the processes that generate size ...
Nanophysics
Apr 4, 2019
0
87
When beams of ultra-short laser pulses running in the same direction intersect with each other at a noticeable angle, various interactions occur between the pulses. These physical phenomena are complicated, and their mathematical ...
Optics & Photonics
Dec 27, 2018
1
325
Electronic systems using light waves instead of voltage signals is advantageous, as electromagnetic light waves oscillate at petaherz frequency. This means that future computers could operate at speeds 1 million times faster ...
Nanophysics
Nov 27, 2018
0
219
Ultrashort optical pulses are becoming increasingly relevant in a number of applications, including distance measurement, molecular fingerprinting and ultrafast sampling. Many of these applications rely not only on a single ...
Optics & Photonics
Oct 1, 2018
1
65
When light pulses from an extremely powerful laser system are fired onto material samples, the electric field of the light rips the electrons off the atomic nuclei. For fractions of a second, a plasma is created. The electrons ...
Optics & Photonics
Sep 19, 2018
0
40
