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          Institute: MPI für die Physik des Lichts     Collection: Optical Quantum Information Theory     Display Documents



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ID: 458893.0, MPI für die Physik des Lichts / Optical Quantum Information Theory
Quantum error correction beyond qubits
Authors:Aoki, T.; Takahashi, G.; Kajiya, T.; Yoshikawa, J.; Braunstein, S. L.; van Loock, P.; Furusawa, A.
Date of Publication (YYYY-MM-DD):2009-08
Title of Journal:Nature Physics
Volume:5
Issue / Number:8
Start Page:541
End Page:546
Audience:Not Specified
Abstract / Description:Quantum computation and communication rely on the ability to manipulate quantum states robustly and with high fidelity. To protect fragile quantum-superposition states from corruption through so-called decoherence noise, some form of error correction is needed. Therefore, the discovery of quantum error correction(1,2) (QEC) was a key step to turn the field of quantum information from an academic curiosity into a developing technology. Here, we present an experimental implementation of a QEC code for quantum information encoded in continuous variables, based on entanglement among nine optical beams(3). This nine-wave-packet adaptation of Shor's original nine-qubit scheme(1) enables, at least in principle, full quantum error correction against an arbitrary single-beam error.
External Publication Status:published
Document Type:Article
Version Comment:Automatic journal name synchronization
Communicated by:N. N.
Affiliations:MPI für die Physik des Lichts
External Affiliations:[Aoki, Takao; Takahashi, Go; Kajiya, Tadashi; Yoshikawa, Jun-ichi; Furusawa, Akira] Univ Tokyo, Dept Appl Phys, Sch Engn, Bunkyo Ku, Tokyo 1138656, Japan.; [Aoki, Takao; Takahashi, Go; Kajiya, Tadashi; Yoshikawa, Jun-ichi; Furusawa, Akira] Univ Tokyo, Quantum Phase Elect Ctr, Sch Engn, Bunkyo Ku, Tokyo 1138656, Japan.; [Takahashi, Go; Kajiya, Tadashi; Yoshikawa, Jun-ichi; Furusawa, Akira] Japan Sci & Technol Agcy, CREST, Chiyoda Ku, Tokyo 1020075, Japan.; [Braunstein, Samuel L.] Univ York, York YO10 5DD, N Yorkshire, England.; [van Loock, Peter] Univ Erlangen Nurnberg, Opt Quantum Informat Theory Grp, Max Planck Inst Sci Light, D-91058 Erlangen, Germany.; [van Loock, Peter] Univ Erlangen Nurnberg, Inst Theoret Phys 1, D-91058 Erlangen, Germany.
Identifiers:ISI:000269132100010 [ID No:1]
ISSN:1745-2473 [ID No:2]
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