Phys. Rev. A 70, 022317 (2004) [7 pages]

Transmission of optical coherent-state qubits

Abstract

References

Citing Articles (21)

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S. Glancy^* and H. M. Vasconcelos^†
Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556, USA

T. C. Ralph^‡
Centre for Quantum Computer Technology, Department of Physics, University of Queensland Brisbane, QLD 4072, Australia

Received 21 November 2003; revised 7 April 2004; published 25 August 2004

We discuss the long-distance transmission of qubits encoded in optical coherent states. Through absorption, these qubits suffer from two main types of errors, namely the reduction of the amplitude of the coherent states and accidental application of the Pauli Z operator. We show how these errors can be fixed using techniques of teleportation and error-correcting codes.

URL:

http://link.aps.org/doi/10.1103/PhysRevA.70.022317

DOI:

10.1103/PhysRevA.70.022317

PACS:

03.67.Hk, 03.67.Pp, 42.50.Dv

^*Electronic address: sglancy@nd.edu

^†Electronic address: Hilma.M.DeVasconcelos.2@nd.edu

^‡Electronic address: ralph@physics.uq.edu.au

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Phys. Rev. A 70, 022317 (2004) [7 pages]

Transmission of optical coherent-state qubits