The ability to manipulate light on a subwavelength-scale could lead to a revolution in photonic devices such as antennas, solar panels, and even cloaking devices. Nanotechnology advances have made this possible through the ...
Optics & Photonics
Apr 17, 2019
0
11
In a recent study, researchers developed a novel graphene-enabled photodetector that operates at room temperature, is highly sensitive, fast, has a wide dynamic range, and covers a broad range of THz frequencies. The researchers ...
Nanomaterials
Apr 16, 2019
0
58
In the future, ultrahigh-speed spintronics will require ultrafast coherent magnetization reversal within a picosecond—one-trillionth of a second. Spintronics centers on an electron's spin and magnetic moment in solid-state ...
Optics & Photonics
Mar 28, 2019
0
9
For the first time, researchers have demonstrated a new way to perform functions essential to future computation three orders of magnitude faster than current commercial devices. The team lead by Associate Professor Shinobu ...
General Physics
Mar 5, 2019
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35
Scientists at the U.S. Department of Energy's Ames Laboratory have discovered a means of controlling the surface conductivity of a three-dimensional (3-D) topological insulator, a type of material that has potential applications ...
General Physics
Feb 15, 2019
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86
The absorption of light in semiconductor crystals without inversion symmetry can generate electric currents. Researchers at the Max Born Institute have now generated directed currents at terahertz (THz) frequencies, much ...
General Physics
Jan 14, 2019
0
36
A team of experimentalists at the U.S. Department of Energy's Ames Laboratory and theoreticians at University of Alabama Birmingham discovered a remarkably long-lived new state of matter in an iron pnictide superconductor, ...
Superconductivity
Jan 3, 2019
6
2678
A team of researchers from Russia, Great Britain, Japan and Italy has created a graphene-based terahertz detector. The study was published in Nature Communications.
Nanophysics
Dec 21, 2018
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124
A terahertz laser designed by MIT researchers is the first to reach three key performance goals at once—high constant power, tight beam pattern, and broad electric frequency tuning—and could thus be valuable for a wide ...
Optics & Photonics
Dec 11, 2018
0
131
A research team from ITMO University and the University of Rochester (U.S.) conducted a study on the formation of terahertz radiation in liquids. Previously, the generation of such radiation in a liquid medium was considered ...
Optics & Photonics
Nov 29, 2018
0
14
