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
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
While researchers have conducted countless studies exploring the interaction between light waves and bound electron systems, the quantum interactions between free electrons and light have only recently become a topic of interest ...
Could light be used to transmit information between satellites and Earth? Atmospheric water vapor scatters and absorbs light energy, but overcome that obstacle, and light will carry far more information and move it faster ...
Space Exploration
Nov 10, 2020
0
22
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
Scientists have discovered a new way to manipulate magnets with laser light pulses shorter than a trillionth of a second.
General Physics
Oct 13, 2020
0
146
Researchers have established a novel high-frequency laser facility at the University of Tokyo. The coherent extreme ultraviolet light source can reveal details of biological or physical samples with unprecedented clarity. ...
Optics & Photonics
Sep 28, 2020
1
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