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Nanomaterials 21 hours ago

Researchers develop new technique for production of plasmonics devices

Research laboratories are constantly developing new materials that are expected to exhibit novel properties bound to revolutionize this or that technology. But it's not enough to simply create these materials; scientists ...

Optics & Photonics Jul 07, 2020

On-chip spin-Hall nanograting for simultaneously detecting phase and polarization singularities

A plasmonic spin-Hall nanograting structure that simultaneously detects both the polarization and phase singularities of the incident beam is reported. The nanograting is symmetry-breaking with different periods for the upper ...

Nanophysics Jul 07, 2020

Experiments confirm light-squeezing 2-D exciton-polaritons can exist

Measurements of the optical response of 2-D transition-metal dichalcogenides have now pinpointed real material systems in which a hypothesized light-squeezing quasiparticle can form. The 2-D exciton-polariton, which couples ...

Nanomaterials Jul 03, 2020

Researchers propose novel method for plasmonic structural color generation

A research group led by Prof. Cao Hongtao at the Ningbo Institute of Materials Technology and Engineering (NIMTE) of the Chinese Academy of Sciences (CAS), has developed a novel direct growth method of vertically orientated ...

Optics & Photonics Jun 29, 2020

Cartwheeling light reveals new optical phenomenon

A scientist might want to do cartwheels upon making a discovery, but this time the discovery itself relies on cartwheels.

Nanomaterials Jun 29, 2020

Physicists see surprisingly strong light, high heat from nanogaps between plasmonic electrodes

Seeing light emerge from a nanoscale experiment didn't come as a big surprise to Rice University physicists. But it got their attention when that light was 10,000 times brighter than they expected.

Optics & Photonics Jun 29, 2020

Researchers employ antennas for angstrom displacement sensing

The Micro-nano Optics and Technology Research Group led by Prof. Lu Yonghua and Prof. Wang Pei from University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) realized nanometric displacement ...

Nanophysics Jun 25, 2020

Physicists obtain molecular 'fingerprints' using plasmons

Scientists from the Center for Photonics and 2-D Materials of the Moscow Institute of Physics and Technology (MIPT), the University of Oviedo, Donostia International Physics Center, and CIC nanoGUNE have proposed a new way ...

General Physics Jun 23, 2020

Transferring orbital angular momentum of light to plasmonic excitations in metamaterials

The vortex beam with orbital angular momentum (OAM) is a new and ideal tool to selectively excite dipole forbidden states through linear optical absorption. The emergence of the vortex beam with OAM provides intriguing opportunities ...

Bio & Medicine Jun 23, 2020

'Janus' nanorods convert light to heat that can destroy pollutants in water

With a new nanoparticle that converts light to heat, a team of researchers has found a promising technology for clearing water of pollutants.

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