A team of University of California, San Diego researchers has built the smallest room-temperature nanolaser to date, as well as an even more startling device: a highly efficient, "thresholdless" laser that funnels all its ...
General Physics
Feb 8, 2012
5
0
(Phys.org) —Researchers at the Ames Laboratory, Iowa State University, and the University of Crete in Greece have found a new way to switch magnetism that is at least 1000 times faster than currently used in magnetic memory ...
Quantum Physics
Apr 3, 2013
7
0
A superlens would let you see a virus in a drop of blood and open the door to better and cheaper electronics. It might, says Durdu Guney, make ultra-high-resolution microscopes as commonplace as cameras in our cell phones.
Optics & Photonics
Jan 9, 2012
4
0
Researchers at EPFL's Computer Graphics and Geometry Laboratory found a way to control "caustics", the patterns that appear when light hits a water surface or any transparent material. Thanks to an elaborate algorithm, they ...
Optics & Photonics
Nov 13, 2012
4
1
Leveraging the amazing natural properties of the Morpho butterfly's wings, scientists have developed a nanobiocomposite material that shows promise for wearable electronic devices, highly sensitive light sensors and sustainable ...
Nanomaterials
Aug 28, 2013
0
0
A Northwestern University research team has found a way to manufacture single laser devices that are the size of a virus particle and that operate at room temperature. These plasmonic nanolasers could be readily integrated ...
Optics & Photonics
Nov 5, 2012
8
0
Hydrogen is a clean and renewable energy carrier that can power vehicles, with water as the only emission. Unfortunately, hydrogen gas is highly flammable when mixed with air, so very efficient and effective sensors are needed. ...
Nanomaterials
Apr 11, 2019
2
402
New applications in energy, defense and telecommunications could receive a boost after a team from The University of Texas at Austin created a new type of "nanocrystal gel"—a gel composed of tiny nanocrystals each 10,000 ...
Nanomaterials
Feb 18, 2022
0
326
When photographers zoom in on an object to see it better, they lose the wide-angle perspective -- they are forced to trade off "big picture" context for detail. But now an imaging method developed by Princeton researchers ...
Optics & Photonics
Apr 21, 2009
3
0
Quantum-based systems promise faster computing and stronger encryption for computation and communication systems. These systems can be built on fiber networks involving interconnected nodes which consist of qubits and single-photon ...
Optics & Photonics
Nov 2, 2023
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