Quantum computation with optical coherent states

T. C. Ralph, A. Gilchrist, G. J. Milburn, W. J. Munro, and S. Glancy
Phys. Rev. A 68, 042319 – Published 20 October 2003
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Abstract

We show that quantum computation circuits using coherent states as the logical qubits can be constructed from simple linear networks, conditional photon measurements, and “small” coherent superposition resource states.

  • Received 28 May 2003

DOI:https://doi.org/10.1103/PhysRevA.68.042319

©2003 American Physical Society

Authors & Affiliations

T. C. Ralph*, A. Gilchrist, and G. J. Milburn

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

W. J. Munro

  • Hewlett Packard Laboratories, Filton Road Stoke Gifford, Bristol BS34 8QZ, United Kingdom

S. Glancy

  • Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556, USA

  • *Email address: ralph@physics.uq.edu.au

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Issue

Vol. 68, Iss. 4 — October 2003

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