Quantum Nanostructures and
Nanofabrication Group

Prof. Karl K. Berggren and Dr. P. Donald Keathley

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New Publication on High-speed testing of superconducting electronics

Nov 17, 2025 | Our Research

A new publication written by the group on custom sensing equipment was recently published in the Journal of Instrumentation.   Reed A. Foster, Stephen Kandeh, Owen Medeiros, Alejandro Simon, Matteo Castellani, and Karl K. Berggren. 2025. “Time-Tagging Data...

New Publication: Photolithography-compatible three-terminal superconducting switch for driving CMOS loads

Oct 27, 2025 | Our Research

A new paper written by the group was recently published in Physical Review Applied. Dip Joti Paul, Tony X. Zhou, Karl K. Berggren, “Photolithography-compatible three-terminal superconducting switch for driving CMOS loads,” Physical Review Applied, 24, 2, p. 024060,...

New Publication: Determination of mid-infrared refractive indices of superconducting thin films using Fourier transform infrared spectroscopy

Aug 1, 2025 | Our Research

A new publication written by the group on was recently published in Applied Physics Letters. Dip Joti Paul, Tony X. Zhou, and Karl K. Berggren, “Determination of mid-infrared refractive indices of superconducting thin films using Fourier transform infrared...

Congrats to John Simonaitis and Owen Medeiros on their successful Theses Defenses!

Jul 1, 2025 | News Articles, Our Research

In May 2025, we congratulates Drs. John Simonaitis and Dr. Owen Medeiros on their thesis defenses!    Owen Medeiros successfully defended his PhD thesis entitled “Superconducting Nanowire Integrated Circuits for Scalable Cryogenic Memory” on May 13,...

New Publication: Bandwidth of Lightwave-Driven Electronic Response from Metallic Nanoantennas

Jun 3, 2025 | Our Research

A new publication written by the group was just published in Nano Letters. Matthew Yeung, Lu-Ting Chou, Felix Ritzkowsky, Marco Turchetti, Karl K. Berggren, Shih-Hsuan Chih, Philip D. Keathley, “: Bandwidth of Lightwave-Driven Electronic Response from Metallic...

New Publication: A superconducting full-wave bridge rectifier

May 13, 2025 | News Articles, Our Research

A new publication written by the group on a superconducting diode was just published in Nature Electronics. Matteo Castellani, Owen Medeiros, Alessandro Buzzi, Reed A. Foster, Marco Colangelo and Karl K. Berggren.M. Castellani, O. Medeiros, A. Buzzi, R. A. Foster, M....
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Recent Posts

  • New Publication on High-speed testing of superconducting electronics
  • New Publication: Photolithography-compatible three-terminal superconducting switch for driving CMOS loads
  • Community Outreach Event: Appalachian Optics Outreach Event 2025
  • New Publication: Determination of mid-infrared refractive indices of superconducting thin films using Fourier transform infrared spectroscopy
  • Joey Alongi, Reed Foster, and DJ Paul awarded fellowships

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