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The Ångström Laboratory is a powerful environment for a broad spectrum of materials science. Myfab Uppsala is the core facility, providing advanced process and analysis tools for micro- and nanotechnology. In the Myfab cleanroom, the entire sequence from realization to evaluation is available under one roof. We provide an open user facility for university and industry personnel active in research or development.


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Myfab Uppsala is a state-of-the-art laboratory and a competent organization that provide a link between university research and industrial development.

 

Highlights

Unique nanodisk pushing photonic research forward

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Peter Modh
/ Categories: Myfab Chalmers

Researchers at Chalmers University of Technology have for the first time succeeded in combining two major research fields in photonics by creating a nanoobject with unique optical qualities. Since the object is a thousand times thinner than the human hair, yet very powerful, the breakthrough has great potential in the development of efficient and compact nonlinear optical devices.
“My feeling is that this discovery has a great potential,” says Professor Timur Shegai, who led the study at Chalmers.

Photonic applications harness the power of light-matter interactions to generate various intriguing phenomena. This has enabled major advances in communications, medicine, and spectroscopy, among others, and is also used in laser and quantum technologies. Now, researchers at the Department of Physics at Chalmers University of Technology have succeeded in combining two major research fields – nonlinear and high-index nanophotonics – in a single disk-like nanoobject.

“We were amazed and happy by what we managed to achieve. The disk looking structure is much smaller than the wavelength of light, yet it's a very efficient light frequency converter. It is also 10,000 times, or maybe even higher, more efficient than the unstructured material of the same kind, proving that nano structuring is the way to boost efficiency,” says doctor Georgii Zograf, lead author of the article in Nature Photonics where the research results are presented.

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