News tagged with quantum dots

Nanocrystal infrared LEDs can be made cheaply

(Phys.org) -- Light-emitting diodes at infrared wavelengths are the magic behind such things as night vision and optical communications, including the streaming data that comes through Netflix. Cornell researchers have advanced ...

May 10, 2012
4.4 / 5 (5) 0 | with audio podcast

Fast, low-power, all-optical switch

An optical switch developed at the Joint Quantum Institute (JQI) spurs the prospective integration of photonics and electronics. What, isn't electronics good enough? Well, nothing travels faster than light, ...

May 03, 2012
5 / 5 (7) 0 | with audio podcast

Single nanomaterial yields many laser colors

Red, green, and blue lasers have become small and cheap enough to find their way into products ranging from BluRay DVD players to fancy pens, but each color is made with different semiconductor materials and ...

Apr 29, 2012
5 / 5 (11) 0 | with audio podcast

Graphene quantum dots: The next big small thing

A Rice University laboratory has found a way to turn common carbon fiber into graphene quantum dots, tiny specks of matter with properties expected to prove useful in electronic, optical and biomedical applications.

Jan 12, 2012
5 / 5 (7) 0 | with audio podcast