Tunable and switchable coupling between two superconducting resonators

Baust, A. ; Hoffmann, E. ; Haeberlein, M. ; Schwarz, M.J. ; Eder, P. ; Goetz, J. ; Wulschner, F. ; Xie, E. ; Zhong, L. ; Quijandría, F. ; Peropadre, B. ; Zueco, D. (Universidad de Zaragoza) ; García Ripoll, J.J ; Solano, E. ; Fedorov, K. ; Menzel, E.P. ; Deppe, F. ; Marx, A. ; Gross, R.

Resumen: We realize a device allowing for tunable and switchable coupling between two frequency-degenerate superconducting resonators mediated by an artificial atom. For the latter, we utilize a persistent current flux qubit. We characterize the tunable and switchable coupling in the frequency and time domains and find that the coupling between the relevant modes can be varied in a controlled way. Specifically, the coupling can be tuned by adjusting the flux through the qubit loop or by controlling the qubit population via a microwave drive. Our measurements allow us to find parameter regimes for optimal coupler performance and quantify the tunability range.

Idioma: Inglés

DOI: 10.1103/PhysRevB.91.014515

Año: 2015

Publicado en: Physical Review B 91, 1 (2015), 014515 [6 pp]
ISSN: 1098-0121

Factor impacto JCR: 3.718 (2015)

Categ. JCR: PHYSICS, CONDENSED MATTER rank: 16 / 67 = 0.239 (2015) - Q1 - T1

Factor impacto SCIMAGO: 2.377 - Electronic, Optical and Magnetic Materials (Q1) - Condensed Matter Physics (Q1)

Financiación: info:eu-repo/grantAgreement/ES/MINECO/FIS2012-36673-C03-02

Tipo y forma: Article (Published version)

Área (Departamento): Área Física Materia Condensada (Dpto. Física Materia Condensa.)