Entanglement between two superconducting qubits via interaction with nonclassical radiation

Mauro Paternostro, G. Falci, Myungshik Kim, Massimo Palma

Research output: Contribution to journalArticle

72 Citations (Scopus)

Abstract

We propose a scheme to physically interface superconducting nanocircuits and quantum optics. We address the transfer of quantum information between systems having different physical natures and defined in Hilbert spaces of different dimensions. In particular, we investigate the transfer of the entanglement initially in a nonclassical state of an infinite dimensional system to a pair of superconducting charge qubits. This setup is able to drive an initially separable state of the qubits into an almost pure, highly entangled state suitable for quantum information processing.
Original languageEnglish
Article number214502
Pages (from-to)214502-214503
Number of pages2
JournalPhysical Review B (Condensed Matter)
Volume69
Issue number21
DOIs
Publication statusPublished - Jun 2004

ASJC Scopus subject areas

  • Condensed Matter Physics

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