Equivalence of flexible stripline and coaxial cables for superconducting qubit control and readout pulses

V. Y. Monarkha; Slawomir Simbierowicz; M. Borrelli; R. van Gulik; N. Drobotun; D. Kuitenbrouwer; D. Bouman; Debopam Datta; Patrik Eskelinen; Elsa Mannila; Jukka-Pekka Kaikkonen; Visa Vesterinen; Joonas Govenius; R. E. Lake

doi:10.1063/5.0203101

Equivalence of flexible stripline and coaxial cables for superconducting qubit control and readout pulses

V. Y. Monarkha^*
, Slawomir Simbierowicz
, M. Borrelli
, R. van Gulik
, N. Drobotun
, D. Kuitenbrouwer
, D. Bouman
, Debopam Datta
, Patrik Eskelinen
, Elsa Mannila
, Jukka-Pekka Kaikkonen
, Visa Vesterinen
, Joonas Govenius
, R. E. Lake

^*Corresponding author for this work

Research output: Contribution to journal › Article › Scientific › peer-review

7 Citations (Scopus)

Abstract

We report a comparative study on microwave control lines for a transmon qubit using (i) flexible stripline transmission lines and (ii) semi-rigid coaxial cables. During each experiment, we performed repeated measurements of the energy relaxation and coherence times of a transmon qubit using one of the wiring configurations. Each measurement run spanned 70-250 h of the measurement time, and four separate cooldowns were performed so that each configuration could be tested twice. From these datasets, we observe that changing the microwave control lines from coaxial cables to flexible stripline transmission lines does not have a measurable effect on coherence compared to thermal cycling the system or random coherence fluctuations. Our results open up the possibility of large-scale integration of qubit control lines with integrated component with planar layouts on flexible substrate.

Original language	English
Article number	224001
Number of pages	6
Journal	Applied Physics Letters
Volume	124
Issue number	22
DOIs	https://doi.org/10.1063/5.0203101
Publication status	Published - 27 May 2024
MoE publication type	A1 Journal article-refereed

Funding

VTT acknowledges financial support from the EU Flagship on Quantum Technology HORIZON-CL4-2022-QUANTUM-01-SGA Project No. 101113946 OpenSuperQPlus100, Research Council of Finland Centres of Excellence program (Project Nos. 352934 and 352935) as well as financial support from ECSEL Joint Undertaking (JU) under Grant Agreement No. 101007322 (MATQu), and a Quantum computer co-development project funded by the Finnish government.

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Monarkha, V. Y., Simbierowicz, S., Borrelli, M., van Gulik, R., Drobotun, N., Kuitenbrouwer, D., Bouman, D., Datta, D., Eskelinen, P., Mannila, E., Kaikkonen, J.-P., Vesterinen, V., Govenius, J., & Lake, R. E. (2024). Equivalence of flexible stripline and coaxial cables for superconducting qubit control and readout pulses. Applied Physics Letters, 124(22), Article 224001. https://doi.org/10.1063/5.0203101

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title = "Equivalence of flexible stripline and coaxial cables for superconducting qubit control and readout pulses",

abstract = "We report a comparative study on microwave control lines for a transmon qubit using (i) flexible stripline transmission lines and (ii) semi-rigid coaxial cables. During each experiment, we performed repeated measurements of the energy relaxation and coherence times of a transmon qubit using one of the wiring configurations. Each measurement run spanned 70-250 h of the measurement time, and four separate cooldowns were performed so that each configuration could be tested twice. From these datasets, we observe that changing the microwave control lines from coaxial cables to flexible stripline transmission lines does not have a measurable effect on coherence compared to thermal cycling the system or random coherence fluctuations. Our results open up the possibility of large-scale integration of qubit control lines with integrated component with planar layouts on flexible substrate.",

author = "Monarkha, \{V. Y.\} and Slawomir Simbierowicz and M. Borrelli and \{van Gulik\}, R. and N. Drobotun and D. Kuitenbrouwer and D. Bouman and Debopam Datta and Patrik Eskelinen and Elsa Mannila and Jukka-Pekka Kaikkonen and Visa Vesterinen and Joonas Govenius and Lake, \{R. E.\}",

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Monarkha, VY, Simbierowicz, S, Borrelli, M, van Gulik, R, Drobotun, N, Kuitenbrouwer, D, Bouman, D, Datta, D, Eskelinen, P, Mannila, E , Kaikkonen, J-P, Vesterinen, V, Govenius, J & Lake, RE 2024, 'Equivalence of flexible stripline and coaxial cables for superconducting qubit control and readout pulses', Applied Physics Letters, vol. 124, no. 22, 224001. https://doi.org/10.1063/5.0203101

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T1 - Equivalence of flexible stripline and coaxial cables for superconducting qubit control and readout pulses

AU - Monarkha, V. Y.

AU - Simbierowicz, Slawomir

AU - Borrelli, M.

AU - van Gulik, R.

AU - Drobotun, N.

AU - Kuitenbrouwer, D.

AU - Bouman, D.

AU - Datta, Debopam

AU - Eskelinen, Patrik

AU - Mannila, Elsa

AU - Kaikkonen, Jukka-Pekka

AU - Vesterinen, Visa

AU - Govenius, Joonas

AU - Lake, R. E.

PY - 2024/5/27

Y1 - 2024/5/27

N2 - We report a comparative study on microwave control lines for a transmon qubit using (i) flexible stripline transmission lines and (ii) semi-rigid coaxial cables. During each experiment, we performed repeated measurements of the energy relaxation and coherence times of a transmon qubit using one of the wiring configurations. Each measurement run spanned 70-250 h of the measurement time, and four separate cooldowns were performed so that each configuration could be tested twice. From these datasets, we observe that changing the microwave control lines from coaxial cables to flexible stripline transmission lines does not have a measurable effect on coherence compared to thermal cycling the system or random coherence fluctuations. Our results open up the possibility of large-scale integration of qubit control lines with integrated component with planar layouts on flexible substrate.

AB - We report a comparative study on microwave control lines for a transmon qubit using (i) flexible stripline transmission lines and (ii) semi-rigid coaxial cables. During each experiment, we performed repeated measurements of the energy relaxation and coherence times of a transmon qubit using one of the wiring configurations. Each measurement run spanned 70-250 h of the measurement time, and four separate cooldowns were performed so that each configuration could be tested twice. From these datasets, we observe that changing the microwave control lines from coaxial cables to flexible stripline transmission lines does not have a measurable effect on coherence compared to thermal cycling the system or random coherence fluctuations. Our results open up the possibility of large-scale integration of qubit control lines with integrated component with planar layouts on flexible substrate.

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DO - 10.1063/5.0203101

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VL - 124

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 22

M1 - 224001

ER -

Equivalence of flexible stripline and coaxial cables for superconducting qubit control and readout pulses

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