Quantum Nanostructures and
Nanofabrication Group

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

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New Grant “Nanostructured optical-field samplers for visible to near-infrared time-domain spectroscopy”

New Grant “Nanostructured optical-field samplers for visible to near-infrared time-domain spectroscopy”

Feb 16, 2020 | News Articles

QNN awarded new SENSE.nano seed grant for the development of nanostructured optical-field samplers for visible to near-infrared time-domain spectroscopy. More information on this project and the other SENSE.nano awards may be found here.
New Publication “Single-Photon Single-Flux Coupled Detectors”

New Publication “Single-Photon Single-Flux Coupled Detectors”

Jan 7, 2020 | News Articles

In this work, we present a novel device that is a combination of a superconducting nanowire single-photon detector and a superconducting multilevel memory. We show that these devices can be used to count the number of detections through single-photon to single-flux...
New Publication “A general theoretical and experimental framework for nanoscale electromagnetism”

New Publication “A general theoretical and experimental framework for nanoscale electromagnetism”

Dec 12, 2019 | News Articles

The macroscopic electromagnetic boundary conditions, which have been established for over a century, are essential for the understanding of photonics at macroscopic length scales. Even state-of-the-art nanoplasmonic studies, exemplars of extremely interface-localized...
Andrew Dane awarded Best Poster at the 706th W.E. Heraeus Seminar

Andrew Dane awarded Best Poster at the 706th W.E. Heraeus Seminar

Nov 17, 2019 | News Articles

Congratulations to Andrew Dane, who won the best poster award at the 706th W.E. Heraeus Seminar, titled Superconducting Kinetic Inductances for his work on high-Q superconducting niobium resonators incorporating nanoscale quasiparticle traps. Details regarding his...
New Publication “Focused-helium-ion-beam blow forming of nanostructures: radiation damage and nanofabrication”

New Publication “Focused-helium-ion-beam blow forming of nanostructures: radiation damage and nanofabrication”

Nov 14, 2019 | News Articles

Targeted irradiation of nanostructures by a finely focused ion beam provides routes to improved control of material modification and understanding of the physics of interactions between ion beams and nanomaterials. Here, we studied radiation damage in crystalline...
New Publication “Design and characterization of superconducting nanowire-based processors for acceleration of deep neural network training”

New Publication “Design and characterization of superconducting nanowire-based processors for acceleration of deep neural network training”

Oct 22, 2019 | News Articles

Training of deep neural networks (DNNs) is a computationally intensive task and requires massive volumes of data transfer. Performing these operations with the conventional von Neumann architectures creates unmanageable time and power costs. Recent studies have shown...
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  • New Publication: Electron energy loss spectroscopy of two-dimensional materials in a scanning electron microscope
  • 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

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