When photons of light interact with particles of matter, a diverse variety of physical processes can unfold in ultrafast timescales. To explore them, physicists currently use 'two-colour pump-probe' experiments, in which ...
Optics & Photonics
Oct 25, 2019
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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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When electronic states in materials are excited during dynamic processes, interesting phenomena such as electrical charge transfer can take place on quadrillionth-of-a-second, or femtosecond, timescales. Numerical simulations ...
General Physics
Feb 18, 2015
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Acquiring images of ultrafast processes is a technology vitally needed for many cutting-edge physical, chemical, and biological studies. The latest research conducted by City University of Hong Kong (CityU) and Xi'an Jiaotong ...
Optics & Photonics
May 21, 2019
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A team of researchers from Freiburg led by Prof. Dr. Frank Stienkemeier and Dr. Lukas Bruder has succeeded in developing a new measurement method for investigating ultrafast processes in matter. These are processes at the ...
Optics & Photonics
Oct 8, 2021
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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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One of the most important tasks in modern information technologies is controlling spin directions in magnets. State-of-the-art hard disk drives and large-volume magnetic storage used in data centers require magnetization ...
Optics & Photonics
Sep 1, 2021
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222
Using ultrafast time-resolved pump detection technology, researchers led by Prof. Sheng Zhigao from the Hefei Institutes of Physical Science (HFIPS) of the Chinese Academy of Sciences have realized the gigahertz (GHz) frequency ...
Condensed Matter
Mar 7, 2023
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An international team that includes physicists at LMU has developed a new method with which to characterize the ultrafast oscillation of the electrical fields associated with light.
Optics & Photonics
Oct 13, 2020
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Across six decades, scientists and engineers have transformed the briefest flash of laser light into ultrafast pulses that pack a powerful punch. Rebecca Pool from ESCI talks to Nobel Laureate, Professor Gerard Mourou, to ...
Optics & Photonics
Feb 5, 2019
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