A terahertz laser developed at the Paul Scherrer Institute makes it possible to control a material's magnetisation at a timescale of picoseconds. In their experiment, the researchers shone extremely short light pulses from ...
Optics & Photonics
Aug 12, 2013
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(Phys.org) -- A team of researchers at Boston University (BU), Massachusetts Institute of Technology (MIT) and a number of other institutions recently observed that certain materials undergo an insulator-to-metal transition ...
Condensed Matter
Jul 25, 2012
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Terahertz waves, known as non-ionizing radiation, can turn into ionization radiation when sufficiently many terahertz photons are focused in space and time. A team led by scientists in Korea and the U.S. has created the world's ...
Optics & Photonics
May 28, 2024
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An international research team from Germany, Italy, and the U.K. has developed a key photonics component for the terahertz spectral range. By mixing electronic resonances in semiconductor nanostructures with the photon field ...
Optics & Photonics
Aug 27, 2020
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Physicists at Martin Luther University Halle-Wittenberg (MLU) and Lanzhou University in China developed a simple concept that could significantly improve magnetic-based data processing. Using ultrashort electric pulses in ...
General Physics
Jul 2, 2020
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Terahertz waves are becoming ever more important in science and technology. They enable us to unravel the properties of future materials, test the quality of automotive paint and screen envelopes. But generating these waves ...
Optics & Photonics
Mar 16, 2020
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In a significant breakthrough, scientists at the Tata Institute of Fundamental Research (TIFR), Mumbai, have devised a high-power radiation source in the terahertz (THz) region of the electromagnetic spectrum. This study, ...
Optics & Photonics
Oct 30, 2017
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An effective and less expensive tool for the inspection of food and drugs could soon be a reality. Scientists from the Fritz Haber Institute of the Max Planck Society in Berlin have been working with national and international ...
Optics & Photonics
Jun 17, 2016
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Yet it has the potential for numerous applications. In Physical Review Letters, scientists at Jülich together with their international partners present a new concept that uses short-pulse lasers to expand the capabilities ...
General Physics
Jun 23, 2015
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In the future, ultrahigh-speed spintronics will require ultrafast coherent magnetization reversal within a picosecond—one-trillionth of a second. Spintronics centers on an electron's spin and magnetic moment in solid-state ...
Optics & Photonics
Mar 28, 2019
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