Things can always be done faster, but can anything beat light? Computing with light instead of electricity is seen as a breakthrough to boost computer speeds. Transistors, the building blocks of data circuits, are required ...
Quantum Physics
Jul 20, 2020
0
363
Since 2005, scientists have been scanning the night sky to create a three-dimensional map of our universe with the purpose of shedding light on one of the biggest mysteries in physics: the nature and identity of dark energy ...
Astronomy
Jul 7, 2020
0
36
Just as a meter stick with hundreds of tick marks can be used to measure distances with great precision, a device known as a laser frequency comb, with its hundreds of evenly spaced, sharply defined frequencies, can be used ...
Optics & Photonics
Jun 22, 2020
0
1041
Laser light traveling through ornately microfabricated glass has been shown to interact with itself to form self-sustaining wave patterns called solitons. The intricate design fabricated in the glass is a type of "photonic ...
Optics & Photonics
Jun 1, 2020
0
745
Most technologies today rely on devices that transport energy in the form of light, radio, or mechanical waves. However, these wave-guiding channels are susceptible to disorder and damage, either in manufacturing or after ...
General Physics
May 22, 2020
0
37
Researchers at The Institute of Scientific and Industrial Research at Osaka University introduced a new liquid-phase fabrication method for producing nanocellulose films with multiple axes of alignment. Using 3-D-printing ...
Bio & Medicine
May 19, 2020
0
4
A red beetle, classed as the most destructive date palm pest, causes millions of dollars of annual economic losses worldwide. Now, a small team in Saudi Arabia has found a cost-effective approach that uses laser pulses to ...
Optics & Photonics
May 5, 2020
0
3
A new study from a University of Michigan researcher and colleagues at three institutions demonstrates the potential for using existing networks of buried optical fibers as an inexpensive observatory for monitoring and studying ...
Earth Sciences
Mar 31, 2020
0
146
Broadband emissions in the visible spectral range can be achieved by pumping Pr3+ doped in crystal, ceramic and glass. Fluoride glasses are commonly used as host material of gain fiber due to their low-energy phonon distribution. ...
Materials Science
Mar 23, 2020
0
3
monstrated new chip-based devices that contain allthe optical components necessary for quantum key distribution while increasing real-world security. The fast and cost-effective platform is poised to facilitate implementation ...
Optics & Photonics
Mar 19, 2020
0
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