Broadband lumped-element Josephson parametric amplifier with single-step lithography

Teemu Elo (Corresponding Author), Abhilash Thanniyil Sebastian, M.R. Perelshtein, I. Lilja, E.V. Korostylev, P.J. Hakonen (Corresponding Author)

Research output: Contribution to journalArticleScientificpeer-review

Abstract

We present a lumped-element Josephson parametric amplifier (JPA) fabricated using a straightforward e-beam lithography process. Our strongly coupled flux-pumped JPA achieves a gain of 20 dB with a bandwidth of 95 MHz around 5 GHz, while the center frequency is tunable by more than 1 GHz, with the additional possibility for rapid tuning by varying the pump frequency alone. Analytical calculations based on the input-output theory reproduce our measurement results closely.
We thank A. Lebedev and S. Paraoanu for fruitful discussions. This work was financially supported by the Academy of Finland (Projects Nos. 314448 and 312295), by ERC (Grant No. 670743), by the Centre for Quantum Engineering at Aalto University, by the Government of the Russian Federation (Agreement 05.Y09.21.0018), by Foundation for the Advancement of Theoretical Physics and Mathematics “BASIS”, and by the Ministry of Education and Science of the Russian Federation (Grant Nos. RFMEFI59417X0014 and 16.7162.2017/8.9). T.E. is grateful to Väisälä Foundation of the Finnish Academy of Science and Letters for scholarship. This research work made use of the Aalto University OtaNano/LTL infrastructure which is part of the European Microkelvin Platform funded by European Union's Horizon 2020 Research and Innovation Programme under Grant Agreement No. 824109. Our project also took advantage of equipment at the MIPT Shared Facilities Center.
Original languageEnglish
Article number152601
JournalApplied Physics Letters
Volume114
Issue number15
DOIs
Publication statusPublished - 28 Mar 2019
MoE publication typeA1 Journal article-refereed

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parametric amplifiers
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European Union
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Elo, Teemu ; Thanniyil Sebastian, Abhilash ; Perelshtein, M.R. ; Lilja, I. ; Korostylev, E.V. ; Hakonen, P.J. / Broadband lumped-element Josephson parametric amplifier with single-step lithography. In: Applied Physics Letters. 2019 ; Vol. 114, No. 15.
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abstract = "We present a lumped-element Josephson parametric amplifier (JPA) fabricated using a straightforward e-beam lithography process. Our strongly coupled flux-pumped JPA achieves a gain of 20 dB with a bandwidth of 95 MHz around 5 GHz, while the center frequency is tunable by more than 1 GHz, with the additional possibility for rapid tuning by varying the pump frequency alone. Analytical calculations based on the input-output theory reproduce our measurement results closely.We thank A. Lebedev and S. Paraoanu for fruitful discussions. This work was financially supported by the Academy of Finland (Projects Nos. 314448 and 312295), by ERC (Grant No. 670743), by the Centre for Quantum Engineering at Aalto University, by the Government of the Russian Federation (Agreement 05.Y09.21.0018), by Foundation for the Advancement of Theoretical Physics and Mathematics “BASIS”, and by the Ministry of Education and Science of the Russian Federation (Grant Nos. RFMEFI59417X0014 and 16.7162.2017/8.9). T.E. is grateful to V{\"a}is{\"a}l{\"a} Foundation of the Finnish Academy of Science and Letters for scholarship. This research work made use of the Aalto University OtaNano/LTL infrastructure which is part of the European Microkelvin Platform funded by European Union's Horizon 2020 Research and Innovation Programme under Grant Agreement No. 824109. Our project also took advantage of equipment at the MIPT Shared Facilities Center.",
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Broadband lumped-element Josephson parametric amplifier with single-step lithography. / Elo, Teemu (Corresponding Author); Thanniyil Sebastian, Abhilash; Perelshtein, M.R.; Lilja, I.; Korostylev, E.V.; Hakonen, P.J. (Corresponding Author).

In: Applied Physics Letters, Vol. 114, No. 15, 152601, 28.03.2019.

Research output: Contribution to journalArticleScientificpeer-review

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