An international team from Delft, Lancaster, Nijmegen, Kiev and Salerno has demonstrated a new technique to generate magnetic waves that propagate through the material at a speed much faster than the speed of sound.
Quantum Physics
Jul 29, 2021
0
3067
Optical superoscillation refers to a wave packet that can oscillate locally in a frequency exceeding its highest Fourier component. This intriguing phenomenon enables production of extremely localized waves that can break ...
Optics & Photonics
Jun 25, 2021
0
18
An international team of scientists, led by astrophysicists from the University of Bath in the UK, has measured the magnetic field in a far-off Gamma-Ray Burst, confirming for the first time a decades-long theoretical prediction—that ...
Astronomy
Jun 16, 2021
0
675
Using an ultrafast transmission electron microscope, researchers from the Technion—Israel Institute of Technology have, for the first time, recorded the propagation of combined sound and light waves in atomically thin materials.
Nanophysics
Jun 11, 2021
0
823
The continued growth of wireless and cellular data traffic relies heavily on light waves. Microwave photonics is the field of technology that is dedicated to the distribution and processing of electrical information signals ...
Optics & Photonics
May 19, 2021
0
510
From radio to television to the internet, telecommunications transmissions are simply information carried on light waves and converted to electrical signals.
Nanophysics
May 3, 2021
0
375
Light that is sent into a photonic crystal can't go deeper than the so-called Bragg length. Deeper inside the crystal, light of a certain color range can simply not exist. Still, researchers of the University of Twente, the ...
Optics & Photonics
Apr 28, 2021
0
2024
Why is sugar not transparent? Because light that penetrates a piece of sugar is scattered, altered and deflected in a highly complicated way. However, as a research team from TU Wien (Vienna) and Utrecht University (Netherlands) ...
Optics & Photonics
Apr 12, 2021
6
12020
Light reflects from a mirror, but where exactly does this reflection happen? Well, it depends, Martin van Exter and Corné Koks discovered. Their precise calculations, published in Optics Express, have applications in the ...
Optics & Photonics
Mar 18, 2021
5
45
Scientists at the University of Bath in the UK have found a way to bind together two photons of different colors, paving the way for important advancements in quantum-electrodynamics—the field of science that describes ...
Optics & Photonics
Mar 2, 2021
0
8351
