QNN Newsletter

Dear QNN Group Members, Alums and Affiliates,

We are excited to share our group newsletter for the last quarter of 2023 with you all. Please read on for highlights of the latest research and goings on within the QNN group.

The last term saw a lot of change. We have welcomed four new group members, and saw the departure of three others. Also, the wider QNN community has grown by two with Marco Colangelo and Stewart Koppell both becoming new fathers. Marco welcomed baby Lorenzo, and Stewart baby Cleo. We are wishing the new parents well!

Best regards,

Karl and Donnie

 

Comings and Goings

This past semester, we’ve welcomed the following new group members:

• Felix Ritzkowksi, Postdoc
• Valentin Karam, no longer an exchange student, officially a Research Support Associate
• Simon Opsahl, UROP
• Steven Khandeh, UROP

The following members have now left and become alumni group members:

• Marco Zagarella, visiting student returning to Italy
• Stewart Koppell, Post-doc, now at Johns Hopkins in Austin, Texas
• Ashley Lou, UROP

 

Thesis Presentation

Francesca Incalza, “Effects of helium-ion exposure on superconducting nanowires single photon detectors,” Virtual, Jun. 30, 2023. Presentation Link.

 

Publications (6/1/23 – 12/31/23)

[1]
L. C. Blackburn, E. Golden, A. Wynn, A. Wagner, and N. Gershenfeld, “Design and Simulation of Phase Synchronizer for Adiabatic Quantum Flux Parametron Circuits,” IEEE Transactions on Applied Superconductivity, vol. 33, no. 5, pp. 1–5, Aug. 2023, doi: 10.1109/TASC.2023.3243186.
[2]
J. S. Luskin et al., “Large active-area superconducting microwire detector array with single-photon sensitivity in the near-infrared,” Applied Physics Letters, vol. 122, no. 24, p. 243506, Jun. 2023, doi: 10.1063/5.0150282.
[3]
J. W. Simonaitis and P. D. Keathley, “Twin experiments reveal twin electron dynamics,” Nat. Phys., pp. 1–2, Jun. 2023, doi: 10.1038/s41567-023-02066-8.
Preprints (6/1/23 – 12/31/23)
[1]
I. Charaev et al., “Single-photon detection using large-scale high-temperature MgB$_2$ sensors at 20 K.” arXiv, Aug. 29, 2023. Accessed: Nov. 06, 2023. [Online]. Available: https://arxiv.org/abs/2308.15228
[2]
A. Chou et al., “Quantum Sensors for High Energy Physics.” arXiv, Nov. 03, 2023. Accessed: Nov. 13, 2023. [Online]. Available: http://arxiv.org/abs/2311.01930
[3]
C. Kim et al., “Wafer-Scale MgB2 Superconducting Devices.” arXiv, Dec. 2023. doi: 10.48550/ARXIV.2305.15190.
[4]
S. Lee et al., “First Detection of 120 GeV Protons with Superconducting Nanowire Detectors.” arXiv, Dec. 20, 2023. Accessed: Jan. 26, 2024. [Online]. Available: http://arxiv.org/abs/2312.13405
[5]
F. Ritzkowsky et al., “Large Area Optical Frequency Detectors for Single-Shot Phase Readout.” arXiv, Jun. 02, 2023. doi: 10.48550/arXiv.2306.01621.
[6]
H. K. Warner et al., “Coherent control of a superconducting qubit using light.” arXiv, Oct. 24, 2023. doi: 10.48550/arXiv.2310.16155.
[7]
M. Yeung, L.-T. Chou, M. Turchetti, S.-H. Chia, K. K. Berggren, and P. D. Keathley, “Lightwave Electronic Harmonic Frequency Mixing.” arXiv, Jul. 27, 2023. doi: 10.48550/arXiv.2307.15145.

 

Talks (6/1/23 – 12/31/23)

EIPBN 2023
J. Simonaitis, “A Low-Energy Counting Electron Spectrometer Integrated into a Scanning Electron Microscope,” presented at the EIPBN 2023, San Francisco, CA, Jun. 01, 2023.

J. Simonaitis, “Apparatus for studying low energy electron-photon interactions inside a Scanning Electron Microscope,” presented at the EIPBN 2023, San Francisco, CA, Jun. 01, 2023.

IVNC2023
A. R. Bechhofer, S. Nirantar, L. Daniel, K. K. Berggren, and P. D. Keathley, “Circuit Model for Nanoscale Optical Frequency Electronics,” presented at the IVNC2023, Cambridge, MA, Jul. 10, 2023.

J. Simonaitis, “Electron-Photon Interaction is a Scanning Electron Microscope,” presented at the IVNC 2023, Cambridge, MA, Jul. 11, 2023.

EUCAS 2023
Emma Batson, “Electrical Characterization of Micron-Wide Magnesium Diboride Wires for SuSPDs,” presented at the EUCAS 2023, Bologna, Italy, Sep. 04, 2023.

Emma Batson, “Superconducting nanowire devices in novel materials: High critical temperatures and transparent superconductors,” presented at the HTSHFF 2023, Giardini Naxos, Italy, Sep. 13, 2023.

PCTS
K. K. Berggren, “Superconducting-Nanowires for High-Energy Physics and Fundamental Science Applications,” presented at the PCTS: Quantum Probes of Wave-like and Sub-GeV Dark Matter, from Photonics to Quantum Sensing, Princeton, NJ, Oct. 27, 2023.

Prof. Berggren South Korea Engagements
K. K. Berggren, “Superconducting Nanostrip Detectors: From Quantum Communications to Dark-Matter Search,” presented at the LTD20, Daejeon, South Korea, Jul. 25, 2023.

K. K. Berggren, “Why Should Everyone Care About Superconducting Nanowire Single-Photon Detectors?,” Korea Institute of Industrial Technology (KITECH), Ulsan, South Korea, Jul. 28, 2023.

K. K. Berggren, “Detecting Dark Matter with Superconducting Nanowires,” Institute for Basic Sciences, Daejeon, South Korea, Jul. 31, 2023.

K. K. Berggren, “Superconducting Nanostrip Single-Photon Detectors for Quantum-Information,” KAIST, Daejeon, South Korea, Jul. 31, 2023.

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