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General Physics Sep 28, 2020

Plasmonic enhancement of stability and brightness in organic light-emitting devices

Scientists investigate free electrons and the resonant interactions of electromagnetic waves in the field of plasmonics. However, the discipline still remains to be extended to large-scale commercial applications due to the ...

General Physics Sep 23, 2020

Controlling ultra-strong light-matter coupling at room temperature

Physicists at Chalmers University of Technology in Sweden, together with colleagues in Russia and Poland, have managed to achieve ultra-strong coupling between light and matter at room temperature. The discovery is of importance ...

Analytical Chemistry Sep 21, 2020

Technique permits convenient, precise optical imaging of individual proteins

Often considered the workhorses of the body, proteins are among the most important biomolecules critical to life processes. They provide structural foundation for cells and tissues and perform a dizzying array of tasks, from ...

Materials Science Sep 21, 2020

Anisotropic plasmons in quasi-metallic 2-D materials

National University of Singapore physicists have discovered new mid-infrared anisotropic collective charge excitations in quasi-metallic phase two-dimensional (2-D) transition-metal dichalcogenides (TMDs).

Optics & Photonics Sep 16, 2020

Physicists make electrical nanolasers even smaller

Researchers from the Moscow Institute of Physics and Technology and King's College London cleared the obstacle that had prevented the creation of electrically driven nanolasers for integrated circuits. The approach, reported ...

Optics & Photonics Sep 14, 2020

First fiber-optic nanotip electron gun enables easier nanoscale research

Scientists at the Department of Energy's Oak Ridge National Laboratory and the University of Nebraska have developed an easier way to generate electrons for nanoscale imaging and sensing, providing a useful new tool for material ...

General Physics Sep 9, 2020

A Janus emitter for passive heat release from enclosures

It is presently challenging to efficiently cool enclosed spaces such as stationary automobiles that trap heat via the greenhouse effect. In a new report in Science Advances, Se-Yeon Heo and a team of scientists in materials ...

Nanophysics Sep 8, 2020

Paving the way for tunable graphene plasmonic THz amplifiers

Tohoku University Professor Taiichi Otsuji has led a team of international researchers in successfully demonstrating a room-temperature coherent amplification of terahertz (THz) radiation in graphene, electrically driven ...

Nanophysics Aug 28, 2020

Round nanoparticles improve quality factors of surface lattice resonances

Plasmonic surface lattice resonances (SLRs) supported by metal nanoparticle arrays have many merits such as strong field enhancements extended over large volumes, as well as long lifetimes, narrow linewidths, angle-dependent ...

Optics & Photonics Aug 28, 2020

Optical imaging enters sub-nanometer era

Prof. Dong Zhenchao and Prof. Hou Jianguo from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) have improved the spatial resolution from 8 nm to ~8 Å of photoluminescence ...

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