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Simultaneous bistability of qubit and resonator in circuit quantum electrodynamics

Mavrogordatos, TK, Tancredi, G, Elliott, Matthew, Peterer, MJ, Patterson, A, Rahamim, J, Leek, PJ, Ginossar, Eran and Szymanska, MH (2017) Simultaneous bistability of qubit and resonator in circuit quantum electrodynamics Physical Review Letters, 118, 040402.

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Abstract

We explore the joint activated dynamics exhibited by two quantum degrees of freedom: a cavity mode oscillator which is strongly coupled to a superconducting qubit in the strongly coherently driven dispersive regime. Dynamical simulations and complementary measurements show a range of parameters where both the cavity and the qubit exhibit sudden simultaneous switching between two metastable states. This manifests in ensemble averaged amplitudes of both the cavity and qubit exhibiting a partial coherent cancellation. Transmission measurements of driven microwave cavities coupled to transmon qubits show detailed features which agree with the theory in the regime of simultaneous switching

Item Type: Article
Subjects : Physics
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
NameEmailORCID
Mavrogordatos, TKUNSPECIFIEDUNSPECIFIED
Tancredi, GUNSPECIFIEDUNSPECIFIED
Elliott, Matthewm.j.elliott@surrey.ac.ukUNSPECIFIED
Peterer, MJUNSPECIFIEDUNSPECIFIED
Patterson, AUNSPECIFIEDUNSPECIFIED
Rahamim, JUNSPECIFIEDUNSPECIFIED
Leek, PJUNSPECIFIEDUNSPECIFIED
Ginossar, Erane.ginossar@surrey.ac.ukUNSPECIFIED
Szymanska, MHUNSPECIFIEDUNSPECIFIED
Date : 24 January 2017
Identification Number : 10.1103/PhysRevLett.118.040402
Copyright Disclaimer : Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 14 Dec 2016 18:12
Last Modified : 18 Jul 2017 15:11
URI: http://epubs.surrey.ac.uk/id/eprint/813115

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