Xi-Cheng Zhang has worked for nearly a decade to solve a scientific puzzle that many in the research community believed to be impossible: producing terahertz waves—a form of electromagnetic radiation in the far infrared ...
Optics & Photonics
Sep 28, 2017
2
92
Terahertz radiation could one day provide the backbone for wireless systems that can deliver data up to one hundred times faster than today's cellular or Wi-Fi networks. But there remain many technical challenges to be solved ...
Optics & Photonics
Sep 14, 2015
69
5174
We are all familiar with the hassles that accompany air travel. We shuffle through long lines, remove our shoes, and carry liquids in regulation-sized tubes. And even after all the effort, we still wonder if these procedures ...
General Physics
Nov 21, 2014
4
0
New research at the University of Maryland could lead to a generation of light detectors that can see below the surface of bodies, walls, and other objects. Using the special properties of graphene, a two-dimensional form ...
Nanophysics
Sep 7, 2014
3
1
Researchers have made a breakthrough in the control of terahertz quantum cascade lasers, which could lead to the transmission of data at the rate of 100 gigabits per second—around one thousand times quicker than a fast ...
Optics & Photonics
Feb 11, 2020
0
945
Terahertz radiation is a relatively unexplored slice of the electromagnetic spectrum, but it holds the promise of countless new imaging applications as well as wireless communication networks with extremely high bandwidth. ...
Optics & Photonics
Mar 14, 2016
0
1512
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
For wireless communication, we're all stuck on the same traffic-clogged highway—it's a section of the electromagnetic spectrum known as radio waves.
Nanophysics
Nov 1, 2016
0
46
(Phys.org) —University of Leeds researchers have taken the lead in the race to build the world's most powerful terahertz laser chip.
General Physics
Feb 17, 2014
0
0
A research team led by UCLA electrical engineers has developed a new technique to control the polarization state of a laser that could lead to a new class of powerful, high-quality lasers for use in medical imaging, chemical ...
Optics & Photonics
Apr 20, 2017
0
1042
