There has been significant interest in photonics over the last decade due to their prospects in creating functional devices both for near-infrared (NIR) and mid-infrared (MIR) wavelengths. Optical modulators are crucial photonic ...
Optics & Photonics
Dec 12, 2022
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In the 1997 movie "Contact," Ellie Arroway is a young radio astronomer played by Jodie Foster. Ellie's on a mission to discover alien life, and in one famous scene filmed at the Very Large Array, she sits at the edge of the ...
Astronomy
Dec 9, 2022
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60
In a recent study published in Physical Review Letters, a research team led by Prof. Guo Guangcan from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) achieved on-demand storage ...
Optics & Photonics
Dec 6, 2022
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28
Against a backdrop littered with tiny pinpricks of light glint a few, brighter stars. This whole collection is NGC 1858, an open star cluster in the northwest region of the Large Magellanic Cloud, a satellite galaxy of our ...
Astronomy
Dec 5, 2022
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32
In clusters of galaxies there is a fraction of stars which wander off into intergalactic space because they are pulled out by huge tidal forces generated between the galaxies in the cluster. The light emitted by these stars ...
Astronomy
Dec 2, 2022
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In the information era, photons and electrons are the main carriers of information transmission. Different from Moore's law in microelectronics, the density of integrated photonic devices is mainly limited by the wavelength ...
Optics & Photonics
Nov 28, 2022
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2
Some of the brightest objects in the sky are called blazars. They consist of a supermassive black hole feeding off material swirling around it in a disk, which can create two powerful jets perpendicular to the disk on each ...
Astronomy
Nov 23, 2022
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329
A new study has revealed how the glass-like shells of diatoms help these microscopic organisms perform photosynthesis in dim conditions. A better understanding of how these phytoplankton harvest and interact with light could ...
Optics & Photonics
Nov 22, 2022
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77
A new light source generates ultrashort infrared pulses at wavelengths around 12µm with previously unattained peak intensity and stability. First experiments in vibrational spectroscopy on water demonstrate the high potential ...
Optics & Photonics
Nov 21, 2022
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3
An international team of scientists has achieved the milestone of directly observing the long-sought, innermost dusty ring around a supermassive black hole, at a right angle to its emerging jet. Such a structure was thought ...
Astronomy
Nov 18, 2022
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