Detecting electromagnetic waves in the terahertz frequency range remains a challenging problem. Researchers from the University of Cambridge, together with physicists from the University of Augsburg, have recently discovered ...
General Physics
Sep 2, 2022
0
937
Finding water on the moon could be easier with a Goddard technology that uses an effect called quantum tunneling to generate a high-powered terahertz laser, filling a gap in existing laser technology.
Space Exploration
Aug 25, 2022
1
54
Researchers have developed a new technique to better measure special "terahertz" light. This light travels in waves longer than the infrared light that is beyond what the human eye perceives. The new sampling technique preserves ...
Optics & Photonics
Jul 6, 2022
0
250
By applying light, University of Arkansas physicists Peng Chen and Laurent Bellaiche have discovered a surprising mechanism for controlling ferroelectric polarization in a deterministic manner.
Condensed Matter
May 10, 2022
0
455
It's not easy to be sure that drugs and supplements with twisted—or chiral—structures are turning in the correct direction. Now, twirling infrared light can probe both the structures of molecular crystals and their twists, ...
Optics & Photonics
Mar 21, 2022
0
46
Researchers have taken a major step towards bringing terahertz frequencies out of their hard-to-reach region of the electromagnetic spectrum and into everyday applications. In a new paper, the researchers demonstrate a first-of-its-kind ...
Optics & Photonics
Jan 27, 2022
0
113
Electrical engineers from the UCLA Samueli School of Engineering have developed a more efficient way of converting light from one wavelength to another, opening the door for improvements in the performance of imaging, sensing ...
General Physics
Jul 30, 2021
18
913
With a wave length of about half a millimeter, terahertz radiation fills the gap between visible light and radio waves. This radiation lends itself very well to the in-depth measurement of the electrical properties of new ...
Optics & Photonics
Jun 18, 2021
0
1
A team of UCLA engineers and researchers has developed a new method to shape light pulses by creating physical networks that are composed specially engineered layers. These layers are designed using deep learning and then ...
Optics & Photonics
Jan 7, 2021
0
210
U.S. and Italian engineers have demonstrated the first nanophotonic platform capable of manipulating polarized light 1 trillion times per second.
Optics & Photonics
Oct 19, 2020
0
1326
