Quantum Nanostructures and
Nanofabrication Group

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

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New Publication  “Superconducting MoN thin films prepared by DC reactive magnetron sputtering for nanowire single-photon detectors”

New Publication “Superconducting MoN thin films prepared by DC reactive magnetron sputtering for nanowire single-photon detectors”

Feb 2, 2021 | News Articles

We present a comprehensive study of molybdenum nitride (MoN) thin film deposition using direct current reactive magnetron sputtering. We have investigated the effect of various deposition conditions on the superconducting and electrical properties of the films....
New Publication  “Enhancing the performance of superconducting nanowire-based detectors with high-filling factor by using variable thickness ”

New Publication “Enhancing the performance of superconducting nanowire-based detectors with high-filling factor by using variable thickness ”

Feb 2, 2021 | News Articles

Current crowding at bends of superconducting nanowire single-photon detector (SNSPD) is one of the main factors limiting the performance of meander-style detectors with large filling factors. In this paper, we propose a new concept to reduce the influence of the...
New Publication  “Superconducting Nanowire Spiking Element for Neural Networks ”

New Publication “Superconducting Nanowire Spiking Element for Neural Networks ”

Oct 7, 2020 | News Articles

As the limits of traditional von Neumann computing come into view, the brain’s ability to communicate vast quantities of information using low-power spikes has become an increasing source of inspiration for alternative architectures. Key to the success of these...
New Publication  “Fabrication of gold nanostructures using wet lift-off without adhesion promotion”

New Publication “Fabrication of gold nanostructures using wet lift-off without adhesion promotion”

Sep 4, 2020 | News Articles

The use of an intervening adhesion layer is essential in reliable fabrication of noble metallic nanostructures for optical and electronic devices. However, many emerging applications such as plasmonics and transfer printing raise the demand of metallic structures...
New Publication  “Electron energy loss of ultraviolet plasmonic modes in aluminum nanodisks”

New Publication “Electron energy loss of ultraviolet plasmonic modes in aluminum nanodisks”

Sep 2, 2020 | News Articles

We theoretically investigated electron energy loss spectroscopy (EELS) of ultraviolet surface plasmon modes in aluminum nanodisks. Using full-wave Maxell electromagnetic simulations, we studied the impact of the diameter on the resonant modes of the nanodisks. We...
New Publication  “Light phase detection with on-chip petahertz electronic networks”

New Publication “Light phase detection with on-chip petahertz electronic networks”

Jul 8, 2020 | News Articles

Ultrafast, high-intensity light-matter interactions lead to optical-field-driven photocurrents with an attosecond-level temporal response. These photocurrents can be used to detect the carrier-envelope-phase (CEP) of short optical pulses, and enable optical-frequency,...
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Recent Posts

  • 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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