Do advanced civilizations know we're here?
Adrift in a great sea of stars, we must surely not be alone.
Adrift in a great sea of stars, we must surely not be alone.
Astronomy
Sep 1, 2023
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Metasurfaces are artificial materials adept at manipulating perception. With metasurfaces allowing lenses to be reduced to one 10,000th the size of conventional lenses, they are generating considerable interest as optical ...
Optics & Photonics
Aug 30, 2023
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15
Fast data transmissions could be delivered in homes and offices through light-emitting diodes (LED) bulbs, complementing existing communication technologies and networks.
Optics & Photonics
Jul 25, 2023
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33
Pulsed laser scanning lidar is a core technology for autonomous driving and robotic mobility. Herein, a directional light pulse is backscattered by a reflective object and the elapsed time between emission and detection of ...
Optics & Photonics
Jul 20, 2023
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324
Astronomers have discovered more than 5,000 planets outside of the solar system to date. The grand question is whether any of these planets are home to life. To find the answer, astronomers will likely need more powerful ...
Astronomy
Jul 13, 2023
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567
Integrated optical semiconductor (hereinafter referred to as optical semiconductor) technology is a next-generation technology for which many researches and investments are being made worldwide because it can make complex ...
Optics & Photonics
Jul 13, 2023
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15
A research team led by Dr. Byeong-dae Choi at the DGIST Division of Electronics & Information System has greatly improved the efficiency of zinc sulfide powder-based electroluminescent devices by applying silver nanofilms. ...
Optics & Photonics
Jul 6, 2023
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52
Envision a realm where light can be meticulously controlled and manipulated at minuscule scales, unlocking unprecedented potentials for nanotechnology and quantum information technology. Recent breakthroughs in quantum research ...
When you turn on a lamp to brighten a room, you are experiencing light energy transmitted as photons, which are small, discrete quantum packets of energy. These photons must obey the sometimes strange laws of quantum mechanics, ...
General Physics
Jul 5, 2023
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33
Silicon (Si) photonics has recently emerged as a key enabling technology in many application fields thanks to the mature Si process technology, the large silicon wafer size, and Si optical properties. However, the inability ...
Optics & Photonics
Jun 27, 2023
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3