News tagged with optoelectronics

Nanotube photodetector built

Researchers at Rice University and Sandia National Laboratories have made a nanotube-based photodetector that gathers light in and beyond visible wavelengths. It promises to make possible a unique set of ...

Feb 27, 2013
4.8 / 5 (4) 1 | with audio podcast

1000 calibration reports . . . and counting

The U.S. Internet – and indeed any communication system that sends information by fiber-optic cable – depends critically on strong, clear signals propagating reliably through transmission lines. The principal ...

Nov 22, 2012
5 / 5 (1) 0

Researchers grow semiconductors on graphene

Researchers at the Norwegian University of Science and Technology (NTNU) have patented and are commercializing GaAs nanowires grown on graphene, a hybrid material with competitive properties. Semiconductors ...

Sep 10, 2012
4.8 / 5 (8) 2 | with audio podcast

'Dark plasmons' transmit energy

Microscopic channels of gold nanoparticles have the ability to transmit electromagnetic energy that starts as light and propagates via "dark plasmons," according to researchers at Rice University.

Feb 09, 2012
4.8 / 5 (11) 1 | with audio podcast

High-speed CMOS sensors provide better images

Conventional CMOS image sensors are not suitable for low-light applications such as fluorescence, since large pixels arranged in a matrix do not support high readout speeds. A new optoelectronic component ...

Jan 03, 2012
4.9 / 5 (8) 0 | with audio podcast