Researchers have developed a novel method for generating structured terahertz light beams using programmable spintronic emitters. This breakthrough offers a significant leap forward in terahertz technology, enabling the generation ...
Optics & Photonics
Jul 8, 2024
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220
Multi-resonance thermally activated delayed fluorescence (MR-TADF) materials are promising candidates for organic light-emitting diodes (OLEDs) with narrow electroluminescence (EL) spectra. Scientists in China propose an ...
Optics & Photonics
Jul 8, 2024
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23
In a paper published today in Nature Communications, researchers from the Paul Drude Institute in Berlin, Germany, and the Instituto Balseiro, Bariloche, Argentina, demonstrated that light emitters with different resonance ...
Condensed Matter
Jun 19, 2023
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91
Exotic cosmic objects known as ultra-luminous X-ray sources produce about 10 million times more energy than the sun. They're so radiant, in fact, that they appear to surpass a physical boundary called the Eddington limit, ...
Astronomy
Apr 6, 2023
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216
Organic light-emitting diodes (OLEDs) play an important role in new-generation flat-panel displays. For ultra-high-definition displays presented in International Telecommunication Union (ITU) Recommendation BT 2020 standard, ...
Optics & Photonics
Dec 16, 2022
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29
To get closer to quantum technology we need to develop non-classical light sources that can emit a single photon at a time and do so on demand. Scientists at EPFL have now designed one of these "single photon emitters" that ...
Optics & Photonics
May 5, 2022
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936
Vanderbilt and Penn State engineers have developed a novel approach to design and fabricate thin-film infrared light sources with near-arbitrary spectral output driven by heat, along with a machine learning methodology called ...
Condensed Matter
Oct 21, 2021
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207
A new class of quantum dots deliver a stable stream of single, spectrally tunable infrared photons under ambient conditions and at room temperature, unlike other single photon emitters. This breakthrough opens a range of ...
Nanophysics
Mar 25, 2021
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283
Tiny fluorescent semiconductor dots, called quantum dots, are useful in a variety of health and electronic technologies but are made of toxic, expensive metals. Nontoxic and economic carbon-based dots are easy to produce, ...
Nanophysics
Mar 8, 2021
1
791
Organic light-emitting diode (OLED) displays are now very popular features of many mainstream products including smartphones and televisions. OLEDs have the advantages of being low cost, light, flexible, and easy to modify, ...
Materials Science
Jan 12, 2021
0
77
