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Gold Nanoparticle Channels Transmit Energy Through Dark Plasmons

A research team led by Stephan Link from Rice University has demonstrated that tiny channels of gold nanoparticles are capable of transmitting electromagnetic energy that begins as light and transmits through ‘dark plasmans.’

13 Feb 2012

Researchers Develop Tiniest Room-Temperature Laser and Thresholdless Laser

A research team from the University of California, San Diego (UC San Diego) has developed the tiniest room-temperature nanolaser till date, and a highly efficient ‘thresholdless’ laser capable of funneling all of its photons into a coherent beam of light or lasing.

13 Feb 2012

Researchers Harness Plasmonics to Weld Nanowires

A Stanford University research team has developed a novel technique based on the physics of plasmonics to weld nanowires using a simple light blast, paving the way to develop easy and large-area processing methods for electronic devices such as LEDs, thin-film solar cells and touch-screen displays.

8 Feb 2012

Optical Stimulation Makes Graphene to Release Terahertz Radiation

A research team comprising Leonhard Prechtel and Leonhard Prechtel from the Technische Universitaet Muenchen’s Walter Schottky Institut has devised a method to improve the time resolution down to the picosecond range for measuring photocurrent in graphene, which in turn helpedin detecting pulses in a few picoseconds.

3 Feb 2012

Study Results Help Develop Atomic-Scale Plasmonic Devices

A research team from the Oak Ridge National Laboratory (ORNL) of the Department of Energy has demonstrated that point defects in graphene are helpful in transferring atomic-scale data by integrating electrons with light, paving the way to develop quicker and compact electronic devices.

2 Feb 2012

Berkeley Lab Finds Way to Improve Luminescence of Nanocrystals

A research team led by Paul Alivisatos from the Lawrence Berkeley National Laboratory (Berkeley Lab) of the U.S. Department of Energy has developed a novel solution-based synthesis method to produce nanocrystals with superior optoelectronic properties.

1 Feb 2012

Rice University Develops Near Perfect Terahertz Polarizer

A research team led by Junichiro Kono from Rice University has developed a powerful terahertz polarizer utilizing carbon nanotubes as the crucial component, paving the way to develop advanced non-invasive medical imaging solutions, communication and security devices, and sensors.

31 Jan 2012