Control of the polarization of light is a key feature for displays, optical data storage, optical quantum information, and chirality sensing. In particular, the direct emission of circularly polarized (CP) light has attracted ...
Materials Science
Dec 13, 2019
0
6
After developing a method to control exciton flows at room temperature, EPFL scientists have discovered new properties of these quasiparticles that can lead to more energy-efficient electronic devices.
Optics & Photonics
Jan 4, 2019
7
462
Nanokirigami has taken off as a field of research in the last few years; the approach is based on the ancient arts of origami (making 3-D shapes by folding paper) and kirigami (which allows cutting as well as folding) but ...
Nanophysics
Jul 6, 2018
0
366
Researchers at the University of Tokyo used an efficient method to create chiral materials using circularly polarized light. Depending on whether left- or right-polarized, the light source induced electric fields at opposite ...
Nanomaterials
May 9, 2018
0
4
A team led by Rice University scientists used a unique combination of techniques to observe, for the first time, a condensed matter phenomenon about which others have only speculated. The research could aid in the development ...
Quantum Physics
Apr 16, 2018
2
865
"Help me, Obi Wan Kenobi. You're my only hope." For many of those around at the release of Star Wars in 1977, that scene was a first introduction to holograms—a real technology that had been around for roughly 15 years.
General Physics
Jan 22, 2018
0
528
Light can generate an electrical current in semiconductor materials. This is how solar cells generate electricity from sunlight and how smart phone cameras can take photographs. To collect the generated electrical current, ...
General Physics
Dec 19, 2017
1
308
You can get a good idea of chirality by putting a right-handed glove on your left hand—two identical shapes that cannot be superimposed because they are mirror images of each other. This property is common in our universe, ...
Materials Science
Dec 8, 2017
0
7
(Phys.org)—Researchers have designed a new type of mirror that reflects light in a completely different way than conventional mirrors do. The new mirror, called a chiral meta-mirror, has potential applications for information ...
There's nothing new thing under the sun—except maybe light itself.
Optics & Photonics
Nov 2, 2017
3
788
