Utilization of the superconducting transition for characterizing low-quality-factor superconducting resonators

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Utilization of the superconducting transition for characterizing low-quality-factor superconducting resonators. / Chang, Yu Cheng; Karimi, Bayan; Senior, Jorden; Ronzani, Alberto; Peltonen, Joonas T.; Goan, Hsi Sheng; Chen, Chii Dong; Pekola, Jukka P.

julkaisussa: Applied Physics Letters, Vuosikerta 115, Nro 2, 022601, 08.07.2019.

Tutkimustuotos: Lehtiartikkelivertaisarvioitu

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Bibtex - Lataa

@article{ea45d57ce29445dfa9410d5dc2761f20,
title = "Utilization of the superconducting transition for characterizing low-quality-factor superconducting resonators",
abstract = "Characterizing superconducting microwave resonators with highly dissipative elements is a technical challenge, but a requirement for implementing and understanding the operation of hybrid quantum devices involving dissipative elements, e.g., for thermal engineering and detection. We present experiments on λ/4 superconducting niobium coplanar waveguide resonators, terminating at the antinode by a dissipative copper microstrip via aluminum leads, such that the resonator response is difficult to measure in a typical microwave environment. By measuring the transmission both above and below the superconducting transition of aluminum, we are able to isolate the resonance. We then experimentally verify this method with copper microstrips of increasing thicknesses, from 50 nm to 150 nm, and measure quality factors in the range of 10-67 in a consistent way.",
author = "Chang, {Yu Cheng} and Bayan Karimi and Jorden Senior and Alberto Ronzani and Peltonen, {Joonas T.} and Goan, {Hsi Sheng} and Chen, {Chii Dong} and Pekola, {Jukka P.}",
note = "| openaire: EC/H2020/742559/EU//SQH | openaire: EC/H2020/766025/EU//QuESTech",
year = "2019",
month = "7",
day = "8",
doi = "10.1063/1.5098310",
language = "English",
volume = "115",
journal = "Applied Physics Letters",
issn = "0003-6951",
number = "2",

}

RIS - Lataa

TY - JOUR

T1 - Utilization of the superconducting transition for characterizing low-quality-factor superconducting resonators

AU - Chang, Yu Cheng

AU - Karimi, Bayan

AU - Senior, Jorden

AU - Ronzani, Alberto

AU - Peltonen, Joonas T.

AU - Goan, Hsi Sheng

AU - Chen, Chii Dong

AU - Pekola, Jukka P.

N1 - | openaire: EC/H2020/742559/EU//SQH | openaire: EC/H2020/766025/EU//QuESTech

PY - 2019/7/8

Y1 - 2019/7/8

N2 - Characterizing superconducting microwave resonators with highly dissipative elements is a technical challenge, but a requirement for implementing and understanding the operation of hybrid quantum devices involving dissipative elements, e.g., for thermal engineering and detection. We present experiments on λ/4 superconducting niobium coplanar waveguide resonators, terminating at the antinode by a dissipative copper microstrip via aluminum leads, such that the resonator response is difficult to measure in a typical microwave environment. By measuring the transmission both above and below the superconducting transition of aluminum, we are able to isolate the resonance. We then experimentally verify this method with copper microstrips of increasing thicknesses, from 50 nm to 150 nm, and measure quality factors in the range of 10-67 in a consistent way.

AB - Characterizing superconducting microwave resonators with highly dissipative elements is a technical challenge, but a requirement for implementing and understanding the operation of hybrid quantum devices involving dissipative elements, e.g., for thermal engineering and detection. We present experiments on λ/4 superconducting niobium coplanar waveguide resonators, terminating at the antinode by a dissipative copper microstrip via aluminum leads, such that the resonator response is difficult to measure in a typical microwave environment. By measuring the transmission both above and below the superconducting transition of aluminum, we are able to isolate the resonance. We then experimentally verify this method with copper microstrips of increasing thicknesses, from 50 nm to 150 nm, and measure quality factors in the range of 10-67 in a consistent way.

UR - http://www.scopus.com/inward/record.url?scp=85068764703&partnerID=8YFLogxK

U2 - 10.1063/1.5098310

DO - 10.1063/1.5098310

M3 - Article

VL - 115

JO - Applied Physics Letters

JF - Applied Physics Letters

SN - 0003-6951

IS - 2

M1 - 022601

ER -

ID: 35582296