Optical circuits are set to revolutionize the performance of many devices. Not only are they 10 to 100 times faster than electronic circuits, but they also consume a lot less power. Within these circuits, light waves are ...
Nanophysics
Feb 12, 2019
1
72
A POSTECH-KAIST joint research team has successfully developed a technique to reach near-unity efficiency of SHEL by using an artificially-designed metasurface.
Optics & Photonics
Feb 19, 2021
0
52
Physicists from ITMO University have developed a model of an optical tractor beam to capture particles based on new artificial materials. Such a beam is capable of moving particles or cells towards the radiation source. The ...
General Physics
Nov 27, 2018
1
57
Bye-bye lens, hello metasurface. So-called metasurfaces can help to make optical systems thinner in the future, while at the same time increasing their functionality.
Optics & Photonics
Jun 26, 2023
2
99
A research team from ITMO University and the Australian National University has discovered that different metasurfaces exhibit the same behavior provided a symmetry breaking is introduced to their unit cells "meta-atoms." ...
Optics & Photonics
Nov 14, 2018
0
9
By turning a traditional lab-based fabrication process upside down, researchers at Duke University have greatly expanded the abilities of light-manipulating metasurfaces while also making them much more robust against the ...
Nanomaterials
Jul 6, 2022
0
132
On a cold, sunny day, you're driving on a rural road, surrounded by snow-covered fields. In an instant, your eyes process the scene, picking out individual objects to focus on—a stop sign, a barn—while the rest of the ...
Optics & Photonics
Feb 13, 2024
0
26
Recently, a research team from Pohang University of Science and Technology (POSTECH) has employed metasurfaces to fabricate angle-dependent holograms with multiple functions. This technology allows holograms to display multiple ...
Nanophysics
Feb 21, 2024
0
123
Water whirlpools, smoke rings, violent tornados and spiral galaxies are all examples of twists in fluids, although very different each other. Analogous twists, but in the realm of light, have been created by the research ...
Optics & Photonics
Apr 11, 2022
0
139
One of the biggest challenges in developing integrated photonic circuits—which use light rather than electrons to transport information—is to control the momentum of light. Colors of light travel at different speeds ...
Optics & Photonics
Feb 1, 2018
1
216
