Fast control of dissipation in a superconducting resonator

V. A. Sevriuk (Corresponding Author), K. Y. Tan, E. Hyyppä, M. Silveri, M. Partanen, M. Jenei, S. Masuda, J. Goetz, V. Vesterinen, L. Grönberg, M. Möttönen

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (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 languageEnglish
Article number082601
Number of pages5
JournalApplied Physics Letters
Volume115
Issue number8
DOIs
Publication statusPublished - 19 Aug 2019
MoE publication typeA1 Journal article-refereed

    Fingerprint

Keywords

  • OtaNano

Cite this

Sevriuk, V. A., Tan, K. Y., Hyyppä, E., Silveri, M., Partanen, M., Jenei, M., Masuda, S., Goetz, J., Vesterinen, V., Grönberg, L., & Möttönen, M. (2019). Fast control of dissipation in a superconducting resonator. Applied Physics Letters, 115(8), [082601]. https://doi.org/10.1063/1.5116659