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Efficient scheme for hybrid teleportation via entangled coherent states in circuit quantum electrodynamics

Ginossar, E and Joo, J (2016) Efficient scheme for hybrid teleportation via entangled coherent states in circuit quantum electrodynamics Scientific Reports, 6.

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Abstract

We propose a deterministic scheme for teleporting an unknown qubit state through continuous-variable entangled states in superconducting circuits. The qubit is a superconducting two-level system and the bipartite quantum channel is a microwave photonic entangled coherent state between two cavities. A Bell-type measurement performed on the hybrid state of solid and photonic states transfers a discrete-variable unknown electronic state to a continuous-variable photonic cat state in a cavity mode. In order to facilitate the implementation of such complex protocols we propose a design for reducing the self-Kerr nonlinearity in the cavity. The teleporation scheme enables quantum information processing operations with circuit-QED based on entangled coherent states. These include state verification and single-qubit operations with entangled coherent states. These are shown to be experimentally feasible with the state of the art superconducting circuits.

Item Type: Article
Subjects : subj_Physics
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
AuthorsEmailORCID
Ginossar, EUNSPECIFIEDUNSPECIFIED
Joo, JUNSPECIFIEDUNSPECIFIED
Date : 1 June 2016
Funders : EPSRC
Identification Number : 10.1038/srep26338
Copyright Disclaimer : Article published under a CC BY license (Creative Commons Attribution 4.0 International License), which allows for maximum dissemination and re-use of open access materials. Under this license users are free to share (copy, distribute and transmit) and remix (adapt) the contribution including for commercial purposes, providing they attribute the contribution in the manner specified by the author or licensor.
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 28 Apr 2016 09:26
Last Modified : 15 Jun 2016 14:12
URI: http://epubs.surrey.ac.uk/id/eprint/810551

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