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
Though it sounds like something straight out of science fiction, controlling the speed of light has in fact been a long-standing challenge for physicists. In a study recently published in Communications Physics, researchers ...
General Physics
Dec 14, 2020
0
1404
Recently, a research group from the Shanghai Institute of Optics and Fine Mechanics of the Chinese Academy of Sciences (CAS) has observed periodic electron bunch fringes induced by the femtosecond laser field.
Optics & Photonics
Dec 11, 2020
0
1345
X-ray free-electron lasers, such as the Linac Coherent Light Source (LCLS) at the Department of Energy's SLAC National Accelerator Laboratory, produce intense X-ray pulses that allow researchers to image biological objects, ...
Condensed Matter
Nov 24, 2020
1
56
Ordinary solid-state lasers, as used in laser pointers, generate light in the visible range. For many applications, however, such as the detection of molecules, radiation in the mid-infrared range is needed. Such infrared ...
Optics & Photonics
Nov 23, 2020
0
942
Using the Advanced Laser Light Source (ALLS) facility, the research team of Professor François Légaré of the Institut national de la recherche scientifique (INRS) has pushed back the boundaries of high-energy pulse propagation ...
Optics & Photonics
Nov 19, 2020
0
208
Researchers from the University of Rostock have developed a novel type of nonlinear photonic circuitry in which intense light beams can define their own path and, in doing so, render themselves impervious to external perturbations. ...
Optics & Photonics
Nov 6, 2020
0
109
A team of researchers led by Osaka University and National Taiwan University created a system of nanoscale silicon resonators that can act as logic gates for light pulses. This work may lead to the next generation of silicon-based ...
Nanophysics
Nov 4, 2020
0
271
Using a new method, physicists at the Heidelberg Max Planck Institute for Nuclear Physics have investigated the ultrafast fragmentation of hydrogen molecules in intense laser fields in detail. They used the rotation of the ...
General Physics
Nov 2, 2020
0
64
The digital data generated around the world every year is now counted in zettabytes, or trillions of billions of bytes—equivalent to delivering data for hundreds of millions of books every second. The amount of data generated ...
General Physics
Oct 16, 2020
0
109
