Quantum computation with optical coherent states

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

HP Development Company

关键词: quantum information;    Schrodinger cat states;    coherent states;    conditional measurements;   

RP-ID  :  HPL-2003-124

学科分类：计算机科学（综合）

美国|英语

来源: HP Labs

【 摘 要 】

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 11 Pages