Fast control of dissipation in a superconducting resonator

Vasilii A. Sevriuk; K. Y. Tan; E. Hyyppä; M. Silveri; Meeri Partanen; M. Jenei; S. Masuda; J. Goetz; Visa Vesterinen; Leif Grönberg; M. Möttönen

doi:10.1063/1.5116659

Fast control of dissipation in a superconducting resonator

Vasilii A. Sevriuk^*
, K. Y. Tan
, E. Hyyppä
, M. Silveri
, Meeri Partanen
, M. Jenei
, S. Masuda
, J. Goetz
, Visa Vesterinen
, Leif Grönberg
, M. Möttönen

^*Corresponding author for this work

QTF - Quantum Technology Finland - The National Centre of Excellence

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

25 Citations (Scopus)

Abstract

We report on fast tunability of an electromagnetic environment coupled to a superconducting coplanar waveguide resonator. Namely, we utilize a recently developed quantum-circuit refrigerator (QCR) to experimentally demonstrate a dynamic tunability in the total damping rate of the resonator up to almost two orders of magnitude. Based on the theory, it corresponds to a change in the internal damping rate by nearly four orders of magnitude. The control of the QCR is fully electrical, with the shortest implemented operation times in the range of 10 ns. This experiment constitutes a fast active reset of a superconducting quantum circuit. In the future, a similar scheme can potentially be used to initialize superconducting quantum bits.

Original language	English
Article number	082601
Number of pages	5
Journal	Applied Physics Letters
Volume	115
Issue number	8
DOIs	https://doi.org/10.1063/1.5116659
Publication status	Published - 19 Aug 2019
MoE publication type	A1 Journal article-refereed

Funding

This project received funding from the European Union's Horizon 2020 Research and Innovation Programme under Marie Skłodowska-Curie Grant No. 795159 and under European Research Council Consolidator Grant No. 681311 (QUESS); from the Academy of Finland Centre of Excellence in Quantum Technology Grant Nos. 312300, 316619, and 305237; from JST ERATO Grant No. JPMJER1601; from JSPS KAKENHI Grant No. 18K03486; from the EU Flagship project QMiCS; from the Emil Aaltonen Foundation; from the Alfred Kordelin Foundation; and from the Vilho, Yrjö and Kalle Väisälä Foundation. We acknowledge the provision of facilities and technical support of Aalto University at OtaNano—Micronova Nanofabrication Center.

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OtaNano

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10.1063/1.5116659

Cite this

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abstract = "We report on fast tunability of an electromagnetic environment coupled to a superconducting coplanar waveguide resonator. Namely, we utilize a recently developed quantum-circuit refrigerator (QCR) to experimentally demonstrate a dynamic tunability in the total damping rate of the resonator up to almost two orders of magnitude. Based on the theory, it corresponds to a change in the internal damping rate by nearly four orders of magnitude. The control of the QCR is fully electrical, with the shortest implemented operation times in the range of 10 ns. This experiment constitutes a fast active reset of a superconducting quantum circuit. In the future, a similar scheme can potentially be used to initialize superconducting quantum bits.",

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AU - Sevriuk, Vasilii A.

AU - Tan, K. Y.

AU - Hyyppä, E.

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AU - Partanen, Meeri

AU - Jenei, M.

AU - Masuda, S.

AU - Goetz, J.

AU - Vesterinen, Visa

AU - Grönberg, Leif

AU - Möttönen, M.

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AB - We report on fast tunability of an electromagnetic environment coupled to a superconducting coplanar waveguide resonator. Namely, we utilize a recently developed quantum-circuit refrigerator (QCR) to experimentally demonstrate a dynamic tunability in the total damping rate of the resonator up to almost two orders of magnitude. Based on the theory, it corresponds to a change in the internal damping rate by nearly four orders of magnitude. The control of the QCR is fully electrical, with the shortest implemented operation times in the range of 10 ns. This experiment constitutes a fast active reset of a superconducting quantum circuit. In the future, a similar scheme can potentially be used to initialize superconducting quantum bits.

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ER -

Fast control of dissipation in a superconducting resonator

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Fast control of dissipation in a superconducting resonator

Abstract

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OtaNano

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