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Quantum computation with optical coherent states

Ralph, T.C.; Gilchrist, Alexei; Milburn, Gerard J.; Munro, William J.; Glancy, Scott


Keyword(s): quantum information; Schrodinger cat states; coherent states; conditional measurements

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. Notes: T.C. Ralph, Alexei Glichrist and Gerard Milburn, Centre for Quantum Computer Technology and Department of Physics, University of Queensland, QLD 4072, Brisbane, Australia Scott Glancy, Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556, USA

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