Researchers from Huazhong University of Science and Technology proposed a pixelated programmable photonic integrated circuit (PICs) with record-high 20-level intermediate states of phase change materials (PCMs).
Optics & Photonics
Mar 26, 2024
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1
Mode-locked lasers are advanced lasers that produce very short pulses of light, with durations ranging from femtoseconds to picoseconds. These lasers are widely used to study ultrafast and nonlinear optical phenomena, but ...
An international team led by Dr. Yuan Feng from Shanghai Astronomical Observatory of the Chinese Academy of Sciences has investigated the validity of the two main models of black hole jets by calculating the radiation predicted ...
Astronomy
Mar 25, 2024
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38
A flat sheet of atoms can act as a kind of antenna that absorbs light and funnels its energy into carbon nanotubes, making them glow brightly. This advance could aid the development of tiny future light-emitting devices that ...
Nanomaterials
Mar 22, 2024
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1394
Can salt marshes serve as a natural solution for flood protection? Researchers of the project "Living Dikes" transported 62 big blocks of salt marshes, containing soil and vegetation, from the coast of Friesland to the Delta ...
Earth Sciences
Mar 21, 2024
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1
A research group led by Prof. Jiang Haihe from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences has designed a 6-hole microstructure anti-resonant air-core fiber (AR-HCF) with a larger core diameter ...
Optics & Photonics
Mar 21, 2024
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17
For the first time, a team of researchers from the Fraunhofer Institute for Applied Optics and Precision Engineering IOF and the University of New Mexico have succeeded in cooling silica glass by 67 Kelvin through optical ...
Optics & Photonics
Mar 21, 2024
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29
NASA engineers will test a suite of new laser technologies from an aircraft this summer for Earth science remote sensing. Called "lidar," the instruments could also be used to improve models of the moon's shape and aid the ...
Space Exploration
Mar 20, 2024
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11
Like a hidden enemy, pitting corrosion attacks metal surfaces, making it difficult to detect and control. This type of corrosion, primarily caused by prolonged contact with seawater in nature, is especially problematic for ...
Analytical Chemistry
Mar 19, 2024
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166
Metal halide perovskites have become well-deserved "star" materials among a variety of semiconductors owing to their excellent optoelectronic properties, such as high photoluminescence (PL) quantum yield (QY), high absorption ...
Optics & Photonics
Mar 15, 2024
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