Search results for purcell enhancement

Nanomaterials Mar 21, 2022

Researchers develop silicon cuboid nanoantenna

In a new publication from Opto-Electronic Advances, researchers from South China University of Technology, Guangzhou, China, discuss silicon cuboid nanoantenna with simultaneous large Purcell factor for electric dipole, magnetic ...

Plants & Animals Dec 14, 2021

Queen's genes determine sex of entire ant colonies

Researchers have discovered the genetic basis for a quirk of the animal kingdom—how ant queens produce broods that are entirely male or female.

Quantum Physics Oct 7, 2021

Team develops sensitive new way of detecting transistor defects

Researchers at the National Institute of Standards and Technology (NIST) and collaborators have devised and tested a new, highly sensitive method of detecting and counting defects in transistors—a matter of urgent concern ...

Quantum Physics Nov 5, 2020

Physicists develop efficient modem for a future quantum internet

The first quantum revolution brought about semiconductor electronics, the laser and finally the internet. The coming, second quantum revolution promises spy-proof communication, extremely precise quantum sensors and quantum ...

General Physics May 13, 2020

A new technique for the radiative cooling of spin ensembles

Researchers at CEA/CNRS/Université Paris Saclay, University College London and ETH Zurich have recently devised a new method to control the temperature of a spin ensemble by increasing electron spin polarization above its ...

Nanophysics Oct 5, 2018

On-chip excitation of nanodiamonds embedded in plasmonic waveguides

Quantum emitters can be integrated in monolithic nanoscale plasmonic circuitry via low-loss plasmonic configurations to confine light well below the diffraction limit. In integrated quantum plasmonics, waveguides based on ...

Nanophysics May 2, 2018

Nanodiamond turns into controllable light source

A research group from ITMO University has developed a controlled light source based on nanodiamond. Experiments have shown that the diamond shell doubles the emission speed light sources and helps to control them without ...

Nanomaterials Sep 15, 2017

The key to ultrathin high-efficiency sensors and solar cells could be materials covered with tiny trenches

Future ultrathin solar cells and light sources could have their surfaces covered by tiny trenches, after A*STAR researchers found such structures enhance efficiency by four orders of magnitude.

Optics & Photonics Dec 21, 2016

Ultra-small nanocavity advances technology for secure quantum-based data encryption

Researchers have developed a new type of light-enhancing optical cavity that is only 200 nanometers tall and 100 nanometers across. Their new nanoscale system represents a step toward brighter single-photon sources, which ...

Plants & Animals Oct 4, 2016

Loner spiders prevail as pioneers

A spider looking to immigrate to a different environment is three to four times more likely to survive if it goes by itself, as opposed to as part of a group.

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