Quantum Nanostructures and
Nanofabrication Group

Prof. Karl K. Berggren

The frontier of information processing lies in nanoscience and nanotechnology research. At the nanoscale, materials and structures can be engineered to exhibit interesting new properties, some based on quantum mechanical effects. Our research focuses on developing nanofabrication technology at the few-nanometer length-scale. We use these technologies to push the envelope of what is possible with photonic and electrical devices, focusing in particular on the superconductive devices. Our research combines electrical engineering, physics, and materials science and helps extend the limits of nanoscale engineering.


New Papers: “Multilayer block copolymer meshes by orthogonal self-assembly” and “The orientations of large aspect-ratio coiled-coil proteins attached to gold nanostructures”
“Multilayer block copolymer meshes by orthogonal self-assembly”, Amir Tavakkoli K. G., Samuel M. Nicaise, Karim R. Gadelrab, Alfredo Alexander-Katz, Caroline A. Ross & Karl K. Berggren. Nature Communications, (2016) DOI:... Read more >>
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New Paper: “Dimensional Tailoring of Hydrothermally Grown Zinc Oxide Nanowire Arrays”
Hydrothermally synthesized ZnO nanowire arrays are critical components in a range of nanostructured semiconductor devices. The device performance is governed by relevant nanowire morphological parameters that cannot be fully controlled... Read more >>
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Professor Berggren named as IEEE fellow
Congratulations to Professor Berggren on becoming an IEEE fellow, the highest grade of membership in IEEE. He has been recognized by IEEE for his contributions to nanofabrication and nanomanufacturing in the... Read more >>
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Prof. Berggren becomes an AAAS Fellow
Professor Berggren has been elected as a fellow of the American Association for the Advancement of Science (AAAS) for his contributions to methods of nanofabrication, superconductive quantum circuits, photodetectors, high-speed superconductive electronics,... Read more >>
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New Paper: “Free space-coupled superconducting nanowire single photon detectors for infrared optical communications”
This paper describes the construction of a cryostat and an optical system with a free-space coupling efficiency of 56.5% +/- 3.4% to a superconducting nanowire single-photon detector (SNSPD) for infrared quantum communication... Read more >>
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