Loss-tolerant operations in parity-code linear optics quantum computing

A. J. F. Hayes, A. Gilchrist, and T. C. Ralph
Phys. Rev. A 77, 012310 – Published 9 January 2008

Abstract

A heavy focus for optical quantum computing is the introduction of error correction, and the minimization of resource requirements. We detail a complete encoding and manipulation scheme designed for circuit-model linear optics quantum computing, incorporating scalable operations and loss-tolerant architecture. We also calculate loss thresholds for the gate systems described, with an efficiency of 83% required for the single-qubit operations, and 90% for the two-qubit controlled-NOT gate.

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  • Received 13 July 2007

DOI:https://doi.org/10.1103/PhysRevA.77.012310

©2008 American Physical Society

Authors & Affiliations

A. J. F. Hayes*, A. Gilchrist, and T. C. Ralph

  • Centre for Quantum Computer Technology, University of Queensland, QLD 4072, Brisbane, Australia

  • *ahayes@physics.uq.edu.au

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Vol. 77, Iss. 1 — January 2008

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