The generation and manipulation of high-repetition pulses hold great promise across various applications, including high-speed photography, laser processing, and acoustic wave generation. Gigahertz (GHz) burst pulses, with ...
Optics & Photonics
Dec 19, 2023
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107
Scientists at the Shanghai Advanced Research Institute (SARI) of the Chinese Academy of Sciences have proposed and validated a novel approach for single-shot characterization of ultrashort free-electron laser pulses based ...
Optics & Photonics
Nov 28, 2023
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94
A joint research team led by Prof. Dai Qing and Prof. Li Chi from the National Center for Nanoscience and Technology (NCNST) of the Chinese Academy of Sciences (CAS) has demonstrated the coherent ultrafast photoemission from ...
Nanophysics
Oct 16, 2023
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25
Polarons are quasiparticles composed of excess electrons dressed with virtual phonon clouds. They are ubiquitous in materials and play a key role in various physicochemical properties, including superconductivity, photocatalysis ...
Optics & Photonics
Aug 28, 2023
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40
When photosynthetic cells absorb light from the sun, packets of energy called photons leap between a series of light-harvesting proteins until they reach the photosynthetic reaction center. There, cells convert the energy ...
Biochemistry
Jul 3, 2023
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4533
A research team at the Institut national de la recherche scientifique (INRS) led by Professor Roberto Morandotti reported the first realization of a single-shot ultrafast terahertz (THz) photography system. This important ...
Optics & Photonics
May 26, 2023
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40
Researchers at the Université de Lorraine in France and Tohoku University in Japan have demonstrated a sub-picosecond magnetization reversal in rare-earth-free archetypical spin valves. Their discovery was published in the ...
Condensed Matter
Mar 10, 2023
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128
In his famous letter to the Royal Society dated Oct. 9, 1676, Antonie van Leeuwenhoek described a single-celled eukaryote (Vorticella) and its fascinating ultrafast cell contraction. This kind of ultrafast cell contraction ...
Cell & Microbiology
Feb 22, 2023
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7
In a study that confirms its promise as the next-generation semiconductor material, UC Santa Barbara researchers have directly visualized the photocarrier transport properties of cubic boron arsenide single crystals.
Condensed Matter
Oct 24, 2022
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210
Recent Australian-led research has provided a world's first measurement of interactions between Fermi polarons in an atomically-thin 2D semiconductor, using ultrafast spectroscopy capable of probing complex quantum materials.
Quantum Physics
Oct 20, 2022
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