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Promising Photonic Devices: A Tiny, Tunable Well Of Light

Date:
September 24, 2009
Source:
American Physical Society
Summary:
Photonic devices promise advances in applications ranging from computing to high-speed communication.

A novel design for a tunable source of infrared light relies on electrons fired into a tiny hole drilled through a stack of alternating gold and silica layers.
Credit: G. Adamo, Optoelectronics Research Centre, University of Southampton

Photonics, the science of using photons to carry information, promises to continue improving a wide variety of technologies, from computing to high-speed communication.

Now an international team of researchers from the UK, Taiwan, and Spain have discovered a compact way to produce infrared light, by firing electrons through a miniscule tunnel in a stack of gold and silica layers.

The tiny, tunable light source could be the predecessor of a new component for light-based chips.

The device is outlined in Physical Review Letters and highlighted with a Synopsis in the September 21, 2009 issue of Physics.


Story Source:

The above story is based on materials provided by American Physical Society. Note: Materials may be edited for content and length.


Cite This Page:

American Physical Society. "Promising Photonic Devices: A Tiny, Tunable Well Of Light." ScienceDaily. ScienceDaily, 24 September 2009. <www.sciencedaily.com/releases/2009/09/090921075511.htm>.
American Physical Society. (2009, September 24). Promising Photonic Devices: A Tiny, Tunable Well Of Light. ScienceDaily. Retrieved September 19, 2014 from www.sciencedaily.com/releases/2009/09/090921075511.htm
American Physical Society. "Promising Photonic Devices: A Tiny, Tunable Well Of Light." ScienceDaily. www.sciencedaily.com/releases/2009/09/090921075511.htm (accessed September 19, 2014).

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