The perfect transmission of sound through a barrier is difficult to achieve, if not impossible based on our existing knowledge. This is also true with other energy forms such as light and heat.
General Physics
Dec 23, 2020
0
156
Researchers from CIC nanoGUNE BRTA (San Sebastian, Spain), in collaboration with the Donostia International Physics Center (San Sebastián, Spain) and the University of Oviedo (Spain) employed a spectroscopic nanoimaging ...
Optics & Photonics
Nov 23, 2020
0
10
A team of physicists from Germany, Russia, Ukraine and the United Kingdom has found a new way to observe magnon-polarons by using a nanopatterned magnetic structure lit with short laser pulses. In their paper published in ...
Recently, a research group led by Prof. Zhang Yongsheng from the Institute of Solid State Physics, Hefei Institutes of Physical Science successfully explained the novel physical mechanisms behind pyrite-type ZnSe2.
Materials Science
Oct 16, 2020
0
666
Due to the continuing progress in miniaturization of silicon microelectronic and photonic devices, the cooling of device structures is increasingly challenging. Conventional heat transport in bulk materials is dominated by ...
Nanomaterials
Oct 13, 2020
0
106
A new hollow optical fiber greatly reduces the "noise" interfering with the signals it transmits compared to the single-mode fibers now widely used, researchers at the University of Rochester report.
Optics & Photonics
Sep 18, 2020
2
238
Lasing—the emission of a collimated light beam of light with a well-defined wavelength (color) and phase—results from a self-organization process, in which a collection of emission centers synchronizes itself to produce ...
Optics & Photonics
Sep 11, 2020
3
1574
Vibrations of atoms in a crystal of the semiconductor gallium arsenide (GaAs) are impulsively shifted to a higher frequency by an optically excited electric current. The related change in the spatial distribution of charge ...
Quantum Physics
Jul 14, 2020
0
188
Finding ways to manage the flow of heat in silicon could boost the performance of semiconductors, but, so far, discovering the right design has remained elusive. Now, a team of Penn State researchers report that a fabrication ...
Nanomaterials
Jun 22, 2020
0
112
Quantum communication—where information is sent through particles, typically entangled photons—has the potential to become the ultimate secure communication channel. Not only is it nearly impossible to eavesdrop on quantum ...
Quantum Physics
Jun 17, 2020
0
1187
