Quantum Information Processing with Hybrid Spin-Photon Qubit Encoding

S. Carretta, A. Chiesa, F. Troiani, D. Gerace, G. Amoretti, and P. Santini
Phys. Rev. Lett. 111, 110501 – Published 10 September 2013
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Abstract

We introduce a scheme to perform quantum information processing that is based on a hybrid spin-photon qubit encoding. The proposed qubits consist of spin ensembles coherently coupled to microwave photons in coplanar waveguide resonators. The quantum gates are performed solely by shifting the resonance frequencies of the resonators on a nanosecond time scale. An additional cavity containing a Cooper-pair box is exploited as an auxiliary degree of freedom to implement two-qubit gates. The generality of the scheme allows its potential implementation with a wide class of spin systems.

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  • Received 15 March 2013

DOI:https://doi.org/10.1103/PhysRevLett.111.110501

© 2013 American Physical Society

Authors & Affiliations

S. Carretta1, A. Chiesa1, F. Troiani2, D. Gerace3, G. Amoretti1, and P. Santini1

  • 1Dipartimento di Fisica e Scienze della Terra, Università di Parma, I-43124 Parma, Italy
  • 2S3 Istituto Nanoscienze, Consiglio Nazionale delle Ricerche, I-41100 Modena, Italy
  • 3Dipartimento di Fisica, Università di Pavia, via Bassi 6, I-27100 Pavia, Italy

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Issue

Vol. 111, Iss. 11 — 13 September 2013

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