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

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

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 ad...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:Applied physics letters 2019-04, Vol.114 (15)
Hauptverfasser: Elo, T., Abhilash, T. S., Perelshtein, M. R., Lilja, I., Korostylev, E. V., Hakonen, P. J.
Format: Artikel
Sprache:eng
Schlagworte:
Applied physics
Broadband
Electron beams
Frequency analysis
Lithography
Parametric amplifiers
Online-Zugang:Volltext
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung: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.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.5086091