Experimental ancilla-assisted qubit transmission against correlated noise using quantum parity checking

T. Yamamoto, R. Nagase, J. Shimamura, Ş K. Özdemir, M. Koashi, N. Imoto

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

We report the experimental demonstration of a transmission scheme which has the ability to transmit any state of a photonic qubit over unstabilized optical fibres, regardless of whether the qubit is known, unknown, or entangled to other systems. A high fidelity to the noiseless quantum channel was achieved by adding an ancilla photon after the signal photon within the correlation time of the fibre noise and by performing a measurement which computes the parity. Simplicity, the maintenance-free nature and robustness against path-length mismatches among the nodes make our scheme suitable for multi-user quantum communication networks.

Original languageEnglish (US)
Article number191
JournalNew Journal of Physics
Volume9
DOIs
StatePublished - Jun 29 2007

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parity
quantum communication
communication networks
photons
maintenance
optical fibers
photonics
fibers

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

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Experimental ancilla-assisted qubit transmission against correlated noise using quantum parity checking. / Yamamoto, T.; Nagase, R.; Shimamura, J.; Özdemir, Ş K.; Koashi, M.; Imoto, N.

In: New Journal of Physics, Vol. 9, 191, 29.06.2007.

Research output: Contribution to journalArticle

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AU - Yamamoto, T.

AU - Nagase, R.

AU - Shimamura, J.

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AU - Imoto, N.

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