Researchers have developed a simple and stable device to generate the quantum states necessary for quantum key distribution. The device could make it more practical to develop a global data network that uses this very secure ...
Optics & Photonics
May 6, 2019
0
167
Researchers recently demonstrated the realization of an integrated microlaser based on a novel design that emits light in chiral modes, thus producing corkscrews of light. An object is said to be chiral if it can be distinguished ...
Optics & Photonics
Apr 3, 2019
0
671
Caltech engineers have created flat devices capable of manipulating light in ways that are very difficult or impossible to achieve with conventional optical components.
Optics & Photonics
Aug 31, 2015
0
91
Most people, at some point in their lives, have dreamt of being able to fly like Superman or develop superhuman strength like the Hulk. But very few know that we human beings have a "superpower" of our own, which almost anybody ...
General Physics
Mar 2, 2015
3
158
Using carpets of aligned carbon nanotubes, researchers from Rice University and Sandia National Laboratories have created a solid-state electronic device that is hardwired to detect polarized light across a broad swath of ...
Nanomaterials
Jul 16, 2013
1
0
TU Vienna has managed to turn the oscillation direction of beams of light – simply by applying an electrical current to a special material. This way, a transistor can be built that functions with light instead of electrical ...
General Physics
Jul 8, 2013
1
0
We are all very familiar with the concept of the Earth's magnetic field. It turns out that most objects in space have magnetic fields but it's quite tricky to measure them. Astronomers have developed an ingenious way to measure ...
Astronomy
Apr 27, 2024
0
60
Researchers have made a significant breakthrough in controlling the polarization of light, a crucial property for various applications such as augmented reality, data storage, and encryption.
Optics & Photonics
Mar 11, 2024
0
18
The polarization of light underpins a variety of recent technological innovations, including 3D cinema and LCDs. In LCDs, tiny electronically controllable liquid crystal elements are sandwiched between polarizers. If, instead, ...
General Physics
Jul 22, 2022
0
43
Researchers have shown that hooded seals native to the Arctic Ocean and North Atlantic have eyes that are extremely sensitive to ultraviolet (UV) light, enabling them to spot polar bears that would usually be camouflaged ...
Plants & Animals
Jul 3, 2015
0
78
