Bulletin of the American Physical Society
APS March Meeting 2022
Volume 67, Number 3
Monday–Friday, March 14–18, 2022; Chicago
Session S39: Quantum Metrology and Sensing III
8:00 AM–10:48 AM,
Thursday, March 17, 2022
Room: McCormick Place W-196A
Sponsoring
Unit:
DQI
Chair: Andreas Bengtsson, Google
Abstract: S39.00012 : Tunable impedance environment for quantum phase slip experiments
10:36 AM–10:48 AM
Withdrawn
Presenter:
Heorhii Bohuslavskyi
(VTT Technical Research Centre of Finland Ltd, P.O. Box 1000, FI-02044 VTT, Espoo, Finland)
Authors:
Heorhii Bohuslavskyi
(VTT Technical Research Centre of Finland Ltd, P.O. Box 1000, FI-02044 VTT, Espoo, Finland)
Janne Lehtinen
(VTT Technical Research Centre of Finland Ltd, P.O. Box 1000, FI-02044 VTT, Espoo, Finland)
Joel Hätinen
(VTT Technical Research Centre of Finland Ltd, P.O. Box 1000, FI-02044 VTT, Espoo, Finland)
Alberto Ronzani
(VTT Technical Research Centre of Finland Ltd, P.O. Box 1000, FI-02044 VTT, Espoo, Finland)
Pranauv Selvasundaram
(VTT Technical Research Centre of Finland Ltd, P.O. Box 1000, FI-02044 VTT, Espoo, Finland)
Emma Mykkänen
(VTT Technical Research Centre of Finland Ltd, P.O. Box 1000, FI-02044 VTT, Espoo, Finland)
Robab Najafi Jabdaraghi
(VTT Technical Research Centre of Finland Ltd, P.O. Box 1000, FI-02044 VTT, Espoo, Finland)
Sara Pourjamal
(VTT Technical Research Centre of Finland Ltd, VTT MIKES, FI-02044 VTT, Finland)
Mika Prunnila
(VTT Technical Research Centre of Finland Ltd, P.O. Box 1000, FI-02044 VTT, Espoo, Finland)
Antti Kemppinen
(VTT Technical Research Centre of Finland Ltd, P.O. Box 1000, FI-02044 VTT, Espoo, Finland)
Using our millikelvin-operational silicon MOSFET platform [3], we realize an integrated tunable impedance environment for ultra-thin TiN and NbN superconducting nanowires. We present experimental QPS data, compare it with recent theoretical predictions [4], and determine the effect of the cryogenic microwave background on a QPS system [5].
The research is supported by the EU H2020 grants No 862660 & 824109 and the Academy of Finland (Centre of Excellence program: projects 336817 & 312294).
[1] Nature 484, 355–358 (2012)
[2] Phys. Rev. Lett. 109, 187001 (2012); App. Phys. Lett., 114, 242601 (2019)
[3] Appl. Phys. Lett. 118, 164002 (2021)
[4] Phys. Rev. B 102, 144509 (2020)
[5] Phys. Rev. B 85, 012504 (2012)
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