(Phys.org)—Photonic quantum technologies – including cryptography, enhanced measurement and information processing – face a conundrum: They require single photons, but these are difficult to create, manipulate and measure. ...
MIT researchers and their colleagues are designing an imaging system that can read closed books.
Optics & Photonics
Sep 9, 2016
2
1027
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
Long-wavelength terahertz light is invisible – it's at the farthest end of the far infrared – but it's useful for everything from detecting explosives at the airport to designing drugs to diagnosing skin cancer. ...
Nanomaterials
Sep 4, 2011
2
0
Berry curvature may not be the most well-known scientific concept, but to many physicists, its direct measurement is something akin to a holy grail.
General Physics
Nov 22, 2017
5
826
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
Researchers at MIT and the University of Waterloo have developed a high-power, portable version of a device called a quantum cascade laser, which can generate terahertz radiation outside of a laboratory setting. The laser ...
General Physics
Nov 2, 2020
2
871
A team of DESY scientists has built a miniature double particle accelerator that can recycle some of the laser energy fed into the system to boost the energy of the accelerated electrons a second time. The device uses narrowband ...
General Physics
Mar 20, 2020
0
3251
A team of scientists from DESY and the University of Hamburg has achieved an important milestone in the quest for a new type of compact particle accelerator. Using ultra-powerful pulses of laser light, they were able to produce ...
Optics & Photonics
Jun 14, 2019
0
2192
A research team led by UCLA electrical engineers has developed an artificial composite material to control of higher-frequency electromagnetic waves, such as those in the terahertz and far-infrared frequencies.
Condensed Matter
Oct 24, 2016
1
1883
