Lining up gold nanoparticles in narrow trenches carved into a gold substrate has enabled A*STAR researchers to greatly enhance an optical effect that doubles the frequency of impinging light1. This approach could help produce ...
Nanophysics
Jan 20, 2016
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7
Telecommunication networks will soon reach the physical limits of current technology and in order to overcome the current bottleneck, they will have to exploit the quantum properties of light. Roberto Morandotti and his INRS ...
Optics & Photonics
Sep 14, 2015
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28
A group of Russian scientists recently presented their research into the process of laser pulse filamentation—the effect produced when a laser beam propagating in air focuses into a filament. The researchers discovered ...
Optics & Photonics
Jun 1, 2015
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24
X-rays are used extensively for medical imaging and airport security, as well as for examining the atomic-scale crystallographic structure of materials. Until recently, the high-energy x-rays needed to probe materials at ...
Optics & Photonics
Apr 18, 2014
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0
Wireless transmission at microwave frequencies is important for high-data-rate transmission applications, such as mobile phone networks, satellite links and remote imaging. Now, Xianshu Luo and colleagues from the A*STAR ...
Optics & Photonics
Mar 12, 2014
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A new approach to control light with light without the need for optical nonlinearity: Nanoparticle auto-oscillations in a subwavelength plasmonic V-groove waveguide induced by a control light can be used for the periodic ...
Optics & Photonics
Jan 10, 2014
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0
From May to July 2012, the Great Plains region of the western United States faced a powerful and unpredicted drought. Following 7 months of normal rainfall, the drought was one of the largest deviations from seasonal precipitation ...
Environment
Aug 14, 2013
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If genes are the currency of life, then the whole economies are genetic networks, which include genes as well as the complex webs of interactions and interconnections between them. Genetic networks are integrally important ...
General Physics
Jul 29, 2013
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0
Scientists have shown the energy conditions, under which a weak signal supplied to a physical system emerges as a stronger signal at the output thanks to the presence of random noise (a process known as stochastic resonance), ...
General Physics
Dec 6, 2011
3
1
Much scientific research across a range of disciplines tries to find linear approximations of nonlinear behaviors. But what does that mean?
Mathematics
Feb 26, 2010
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