News tagged with exciton
Discovery brings new type of fast computers closer to reality
Sep 27, 2009 |
4.6 / 5 (34) |
1
Physicists at UC San Diego have successfully created speedy integrated circuits with particles called "excitons" that operate at commercially cold temperatures, bringing the possibility of a new type of extremely ...
Quantum doughnuts slow and freeze light at will: 'fast computing & slow glass'
Mar 09, 2009 |
4.5 / 5 (10) |
2
(PhysOrg.com) -- Research led by the University of Warwick has found a way to use doughnuts shaped by-products of quantum dots to slow and even freeze light, opening up a wide range of possibilities from reliable and effective ...
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Light sensor breakthrough could enhance digital cameras
Jun 18, 2009 |
3.8 / 5 (4) |
0
New research by a team of University of Toronto scientists could lead to substantial advancements in the performance of a variety of electronic devices including digital cameras.
Discovery of Non-blinking Semiconductor Nanocrystals Advances their Applications
Nanotechnology / Nanomaterials
May 28, 2009 |
1 / 5 (1) |
3
(PhysOrg.com) -- Substantial advances for applications of nanocrystals in the fields requiring a continuous output of photons and high quantum efficiency may soon be realized due to discovery of non-blinking semiconductor ...
Discovery of non-blinking semiconductor nanocrystals advances their applications
Nanotechnology / Nanomaterials
May 14, 2009 |
5 / 5 (4) |
2
Substantial advances for applications of nanocrystals in the fields requiring a continuous output of photons and high quantum efficiency may soon be realized due to discovery of non-blinking semiconductor nanocrystals. ...
Scientists demonstrate effect of confining dielectrics on semiconductor nanowire conductivity
May 05, 2009 |
4 / 5 (2) |
1
Researchers at the Harvard School of Engineering and Applied Sciences (SEAS), in collaboration with researchers from Worcester Polytechnic Institute (WPI), have demonstrated, for the first time, that the activation energy ...
'Enlightened' Atoms Stage Nano-Riot Against Uniformity
Nov 18, 2008 |
4.8 / 5 (4) |
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(PhysOrg.com) -- When atoms in a crystal are struck by laser light, their electrons, excited by the light, typically begin moving back and forth together in a regular pattern, resembling nanoscale soldiers marching in a lockstep ...
Light touch: Controlling the behavior of quantum dots
Aug 19, 2008 |
4.6 / 5 (17) |
0
Researchers from the National Institute of Standards and Technology and the Joint Quantum Institute (JQI), a collaborative center of the University of Maryland and NIST, have reported a new way to fine-tune ...
Exciton-based circuits eliminate a 'speed trap' between computing and communication signals
Jun 19, 2008 |
4.7 / 5 (22) |
3
Particles called excitons that emit a flash of light as they decay could be used for a new form of computing better suited to fast communication, physicists at UC San Diego have demonstrated.
Physicists Don't Flip Spin but Find Possible Electron Switch
May 28, 2008 |
4.4 / 5 (26) |
4
University of Oregon researchers trying to flip the spin of electrons with laser bursts lasting picoseconds (a trillionth of a second) instead found a way to manipulate and control the spin -- knowledge that may prove useful ...
Substantial improvement in essential cheap solar cell process
Nanotechnology / Nanomaterials
Mar 20, 2008 |
3.9 / 5 (15) |
0
A cheap alternative to silicon solar cells can be found in dye-sensitised solar cells. This type of cell imitates the natural conversion of sunlight into energy by, for instance, plants and light-sensitive bacteria. Annemarie ...
Scientists make single-photon sources brighter
Dec 12, 2007 |
4.6 / 5 (72) |
5
Scientists have achieved a major advance in developing a single-photon light source, bringing quantum applications such as quantum computing and quantum cryptography closer to reality.
List of search results for exciton
